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Schlumberger Technology Corporation patents


Recent patent applications related to Schlumberger Technology Corporation. Schlumberger Technology Corporation is listed as an Agent/Assignee. Note: Schlumberger Technology Corporation may have other listings under different names/spellings. We're not affiliated with Schlumberger Technology Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Schlumberger Technology Corporation-related inventors


 new patent  Schlumberger Technology Corporation

. . ... Schlumberger Technology Corporation

 new patent  Downhole cables and methods of making the same

A downhole cable that has a cable core with an inner jacket located about it. The inner jacket has a shell located thereabout, and a pair of strength member layers surrounds the inner shell. ... Schlumberger Technology Corporation

 new patent  Inversion-based workflow for processing nuclear density images in high-angle and horizontal wells

Methods and apparatus for characterizing a subterranean formation traversed by a wellbore including collecting data from the formation using a tool wherein the tool collects data to form an azimuthal image, characterizing a section of the formation comprising data and images acquired in a high angle wellbore section or horizontal wellbore section using a parametric model, and performing an inversion using apparent densities and volumetric photoelectric factor images to build a formation model wherein the inversion is tailored for high angle wellbore sections and/or horizontal wellbore sections.. . ... Schlumberger Technology Corporation

 new patent  Turbines and methods of generating electricity

A turbine includes a rotor. The rotor is connected to at least one blade. ... Schlumberger Technology Corporation

 new patent  System and method for mitigating a mud motor stall

A system and method for operating a mud motor in a wellbore. The method includes running the mud motor into the wellbore. ... Schlumberger Technology Corporation

 new patent  Drillable latching plug

A latching dog includes a dog body, at least one engagement arm protrudes from an outer radial surface of the dog body in a transverse direction, and at least one retention fin protrudes from the dog body in a longitudinal direction. The at least one retention fin maintains the latching dog engaged with a housing surface to keep the latching dog at a desired axial and/or rotational position while milling the housing and latching dog.. ... Schlumberger Technology Corporation

 new patent  Fluid loss and gain for flow, managed pressure and underbalanced drilling

A method for monitoring a well bore during drilling operations, particularly with respect to a fluid gain and/or fluid loss event. Monitoring the well bore may be accomplished by monitoring an incoming flow rate of the fluid into the wellbore. ... Schlumberger Technology Corporation

 new patent  High trip rate drilling rig

A drilling rig system for obtaining high trip rates separates the transport of tubular stands in and out of their setback position into a first function, delivery and retrieval of tubular stands in well center position as a second function; and the functions intersect at a stand hand-off position where tubular stands are set down for exchange between tubular handling equipment. A drilling rig has a tubular delivery arm that vertically translates the mast in a non-conflicting path with a top drive. ... Schlumberger Technology Corporation

 new patent  Selective seal stem anchor

A seal stem anchor assembly of the present disclosure includes: a tubular portion having body lock threads disposed about an external portion; and an anchor assembly including an activation module about the tubular portion and proximate the body lock threads, a cone, one or more anchor slips extending between the activation module and the cone, and a helical spring positioned and biased so as to push the activation module away from the cone.. . ... Schlumberger Technology Corporation

 new patent  Corrosion inhibition

Corrosion of steel in acidic solution is inhibited using a mixture of a compound in which a plurality of heterocyclic aromatic groups with a quaternary nitrogen atom are connected together, such as by a linking group which may be covalently attached to the quaternary nitrogen atoms of the aromatic heterocyclic rings, and a polarizable adsorption-intensifying anion.. . ... Schlumberger Technology Corporation

 new patent  Methods for treating high temperature subterranean formations

Methods are described for treating a subterranean formation penetrated by a wellbore. The methods include injecting a treatment fluid into the wellbore. ... Schlumberger Technology Corporation

 new patent  Multi-material functional parts using additive manufacturing

A method of forming a component includes depositing successive layers of a binder and first particles of a first material using a layering device to build a first green segment, depositing successive layers of the binder and second particles of a second material different than the first material using the layering device to build a second green segment, assembling the first green segment and the second green segment together to form a green component, and infiltrating the green component with a metallic infiltrant to form the component.. . ... Schlumberger Technology Corporation

3d-printed seals and connectors for electric submersible pumps

An electrical connector assembly for electric submersible pumps (esps) has a fluid impenetrable seal 3d-printed between the power cable and an internal housing component of the electrical connector assembly. Electrical insulation or dielectric for a conductor of the power cable may also be 3d-printed integrally with the fluid seal. ... Schlumberger Technology Corporation

Em-telemetry remote sensing wireless network and methods of using the same

Em-telemetry remote sensing wireless systems include a plurality of downhole tools in a drilling area, an array of electrodes at the earth's surface, a noise reduction manager, and an acquisition system. Each downhole tool transmits a modulated current into the formation to generate an electromagnetic signal at the earth's surface. ... Schlumberger Technology Corporation

05/10/18 / #20180128093

Method and apparatus for drill string control

A method and apparatus for controlling a drilling system by: implementing a network of level 1 direct control processing systems and level 2 coordinated control processing systems, wherein the level 1 direct control and level 2 coordinated control processing systems are communicatively coupled to each other; operating the level 2 coordinated control processing systems to: receive uphole drill string property measurements from sensors associated with the drill string near the driver, execute a control algorithm based on the received drill string property measurements to generation an actuator command, and transmit the actuator command to the level 1 direct control processing systems; and operating the level 1 direct control processing systems to control the driver based on the actuator command.. . ... Schlumberger Technology Corporation

05/10/18 / #20180128077

Flow routing modules for downhole formation testing tools

A system includes a downhole acquisition tool housing that may receive a fluid that enters the downhole acquisition tool from a first flowline, a second flowline, or both, and a flow control device removably coupled to the downhole acquisition tool and having a housing, a plurality of flow routing plugs that may be in fluid communication to the first flowline, the second flowline, or both, and channels disposed within the housing and fluidly coupled to the plurality of flow routing plugs.. . ... Schlumberger Technology Corporation

05/10/18 / #20180128060

Steering pads with shaped front faces

A rotary steerable device includes a steering pad disposed with a drilling tool and radially moveable relative to a centerline of the drilling tool to apply a steering force to a borehole wall. The steering pad has a front face to contact the borehole wall and having a diameter or width and a tapered section that tapers inward at a taper angle toward the centerline along a taper length in the direction from a take-off position to a leading edge relative to one of a rotational direction of the drilling tool or a drilling direction.. ... Schlumberger Technology Corporation

05/10/18 / #20180127644

Fracturing fluids containing hydrophilic fibers

A fracturing fluid may include an aqueous base fluid; a proppant material; and hydrophilic fibers having a length of about 250 microns to 10 millimeters. A method of performing a fracturing operation may include injecting a fracturing fluid comprising hydrophilic fibers having a length of about 250 microns to 10 millimeters and proppant into a wellbore.. ... Schlumberger Technology Corporation

05/10/18 / #20180127639

Compositions and methods of using degradable and nondegradable particulates for effective proppant placement

Methods herein include treating a formation including pumping a fracturing fluid including proppant, non-degradable fibers, and a degradable component into fractures in the formation. Fracturing fluids herein include an aqueous base fluid, a proppant materials, non-degradable fibers, and a degradable component. ... Schlumberger Technology Corporation

05/10/18 / #20180127203

Mobile erector system

A mobile support structure (mss) includes a frame structure for receiving modular silos, a base moveable between transportation and support configurations, and connectors coupling with the silos. A mobile erecting assembly includes a chassis, a lift structure rotatable between transportation and mounting orientations while engaged with a silo, an engagement structure movable between first and second positions while engaged with the silo, and an actuator to move the engagement structure and silo between the first and second positions. ... Schlumberger Technology Corporation

05/03/18 / #20180122533

Cables with polymeric jacket layers

The present disclosure relates to a cable that includes a core, a first armor wire layer surrounding the core, a first polymer layer disposed around the first armor wire layer, where the first polymer layer has a first sensitivity to energy emitted from an energy source, a second armor wire layer that may be disposed at least partially in the first polymer layer, and a second polymer layer disposed around the second armor wire layer, where the second polymer layer has a second sensitivity to the energy emitted from energy source, and the second sensitivity is greater than the first sensitivity.. . ... Schlumberger Technology Corporation

05/03/18 / #20180120477

Method and system for dip picking and zonation of highly deviated well images

In one embodiment, a computer-based method includes obtaining a borehole image deriving from a downhole tool in a borehole of a geological formation, performing dip picking on the borehole image to derive one or more structural dips, deriving a continuous structural dip based on the one or more structural dips, defining one or more locations of zone boundaries on the borehole image, deriving one or more zone boundaries based on the continuous structural dip and the one or more locations of zone boundaries, and defining one or more zones of the wellbore in a second image based on the one or more zone boundaries.. . ... Schlumberger Technology Corporation

05/03/18 / #20180120470

Apparatus and method for obtaining petrophysical images using electrical imager and multi-frequency dispersion measurements

Methods and systems for determining petrophysical parameters of a formation are provided. In one embodiment, a method includes acquiring formation data with a borehole imaging tool deployed in a well penetrating a formation and acquiring additional formation data with a dielectric logging tool deployed in the well. ... Schlumberger Technology Corporation

05/03/18 / #20180120468

Evaluation of formation utilizing wideband electromagnetic measurements

Methods and systems are provided for investigating a rock sample, in which wideband electromagnetic response data are obtained and processed by inversion in order to determine values for a plurality of parameters of the rock sample. The wideband electromagnetic response data is derived from electromagnetic measurements of the rock sample at frequencies that fall within a wideband of frequencies, wherein the wideband of frequencies includes a low frequency sub-band that is sensitive to conductivity of the rock sample and a high frequency sub-band that is sensitive to the permittivity of the rock sample. ... Schlumberger Technology Corporation

05/03/18 / #20180120464

Seismic waveform inversion

A method can include receiving seismic data of a geologic environment; receiving a background model that is a part of a partitioned model of the geologic environment; predicting reflections using the background model; determining incoherence of an offset-dependent matching filter based at least in part on the reflections and the seismic data; based at least in part on the incoherence, adjusting the background model to generate an adjusted background model; and outputting the adjusted background model.. . ... Schlumberger Technology Corporation

05/03/18 / #20180120213

A method for determining equilibrium wettability of an interface between a void space and a solid phase of a rock sample

The method for determining equilibrium wettability of an interface between a void space and a solid phase of a rock sample comprises obtaining a three-dimensional image of the internal structure of the sample. On the obtained image of the internal structure of the sample, a void space and a solid phase are differentiated. ... Schlumberger Technology Corporation

05/03/18 / #20180119547

Terminal modules for downhole formation testing tools

A method includes positioning a downhole acquisition tool in a wellbore in a geological formation. The method includes operating a pump module to gather information for a fluid outside of the downhole acquisition tool that enters the downhole acquisition tool from a first flowline, a second flowline, or both while the downhole acquisition tool is within the wellbore. ... Schlumberger Technology Corporation

05/03/18 / #20180119541

Estimating pressure for hydraulic fracturing

A method for estimating downhole pressure in wells during a treatment procedure. A pressure head in a treatment well may be determined without requiring downhole sensors. ... Schlumberger Technology Corporation

05/03/18 / #20180119535

Real time drilling monitoring

A method, system, and computer readable medium for managing drilling operations include calibrating a drilling model using collected drilling data, and executing, during a drilling operation, a simulation on the drilling model to generate a predicted measurement value for a drilling property. During the drilling operation and from a drillstring, an actual measurement value for the drilling property is obtained. ... Schlumberger Technology Corporation

05/03/18 / #20180119524

Oilfield reservoir saturation and permeability modeling

A method for modelling saturation in a reservoir, comprising: obtaining capillary pressure data representing capillary pressure in the reservoir; obtaining permeability data representing permeability in the reservoir; determining a number of pore throats represented by the capillary pressure data; creating hyperbolic tangents based on the capillary pressure data equal in number to the number of pore throats; combining hyperbolic tangents to create a curve to fit the capillary pressure data and to define hyperbolic tangent parameters; combining at least one of the hyperbolic tangent parameters with the permeability data to define a saturation height function; modelling a saturation in the reservoir using the saturation height function; and displaying the saturation model based on the saturation height function. The determination of the number of pore throats may comprise creating an initial capillary pressure curve using a predetermined number of multiple linked hyperbolic tangents, determining a first derivative of the capillary pressure curve, and determining a number of local minima in the capillary pressure curve.. ... Schlumberger Technology Corporation

05/03/18 / #20180119523

Oilfield reservoir saturation and permeability modeling

A method and system for modeling saturation in a reservoir that includes obtaining capillary pressure data representing capillary pressure in a reservoir, obtaining permeability data representing permeability in the reservoir, determining a number of pore throats represented by the capillary pressure data, creating a set of hyperbolic tangents equal in number to the number of pore throats, combining the set of hyperbolic tangents to create a curve to fit the capillary pressure data and to define a set of hyperbolic tangent parameters, combining at least one of the hyperbolic tangent parameters with the permeability data to define a saturation height function, modeling user a saturation in the reservoir using the saturation height function, and displaying the saturation model based on the saturation height function.. . ... Schlumberger Technology Corporation

05/03/18 / #20180119522

Multi-mode control module

A technique facilitates operation of an actuator via an operating module. The actuator and the operating module are constructed to enable operation in a wide variety of environments and applications. ... Schlumberger Technology Corporation

04/19/18 / #20180107768

Computationally-efficient modeling of viscous fingering effect for enhanced oil recovery (eor) agent injected at multiple injection concentrations

A method, apparatus, and program product model an enhanced oil recovery (eor) process in a subsurface volume by computer modeling a variable-concentration injection of an eor agent in multiple grid blocks of a reservoir grid, where the variable-concentration injection includes an injection of the eor agent at multiple injection concentrations. For a first grid block among the multiple grid blocks within which eor agent is present, a viscous fingering effect is modeled by modifying a fluid mobility in the first grid block based at least in part upon the injection concentration of the eor agent present in the first grid block.. ... Schlumberger Technology Corporation

04/19/18 / #20180106708

Hydraulic fracturability index using high resolution core measurements

A workflow is provided that characterizes the hydraulic fracturability of a rock based on properties obtained from ct scanning and from non-ct based data. The characterization is based on obtaining a plurality of properties of a core sample as a function of axial location in the core sample. ... Schlumberger Technology Corporation

04/19/18 / #20180106148

System and method for controlled pumping in a downhole sampling tool

A downhole tool designed to be disposed in a borehole of a subterranean formation is provided. The downhole tool includes a probe used to interface with the subterranean formation in order to sample fluid from or to inject fluid into the subterranean formation. ... Schlumberger Technology Corporation

04/19/18 / #20180106139

Method for hydraulic fracturing of a hydrocarbon formation

A fracturing fluid is injected under a high pressure into a well drilled in a formation to create a hydraulic fracture. Then a suspension of the hydraulic fracturing fluid mixed with proppant particles is injected into the well and the created hydraulic fracture, the suspension having a consistency coefficient greater than 0.1 pa sn at any flow index n and a yield stress higher than 5 pa. ... Schlumberger Technology Corporation

04/19/18 / #20180106134

Well task scheduling

A method can include receiving scheduled tasks associated with subsystems of a wellsite system wherein the scheduled tasks are associated with achievement of desired states of the wellsite system; transmitting task information for at least a portion of the scheduled tasks to computing devices associated with the subsystems; receiving state information via the wellsite system; assessing the state information with respect to one or more of the desired states; based at least in part on the assessing, scheduling a task; and transmitting task information for the task to one or more of the computing devices associated with the subsystems.. . ... Schlumberger Technology Corporation

04/19/18 / #20180106133

Well planning service

A method can include receiving well plan information that includes a reservoir target associated with a reservoir of a subterranean environment; based at least in part on characteristics of the subterranean environment, determining well trajectory metrics that comprise a geometrical metric; determining a weighted metric based at least in part on weighting of the well trajectory metrics; and, based at least in part on an assessment of the weighted metric, outputting directional drilling information for a well trajectory to the reservoir target.. . ... Schlumberger Technology Corporation

04/19/18 / #20180106127

Packer system having lockable mechanism

A technique facilitates temporary locking of a mechanical packer to prevent inadvertent actuation of the mechanical packer. The mechanical packer may be set via manipulation of a setting mandrel which works in cooperation with a releasable locking mechanism. ... Schlumberger Technology Corporation

04/19/18 / #20180106114

Rotary shouldered tool joint with non-rotating connection means

A connector system includes a first sub and a second sub having a landing shoulder, and the first sub carries a threaded sleeve for engaging the second sub. The first sub includes a stinger section and a flying nut that provides a sealed and torque carrying connection when secured against the landing shoulder of the second sub. ... Schlumberger Technology Corporation

04/19/18 / #20180105736

Hydrolyzable particle compositions, treatment fluids and methods

A composition, treatment fluid and method using hydrolyzable fines. A treatment fluid, which may optionally include a high solids content fluid (hscf) and/or an apollonianistic solids mixture, includes a fluid loss control agent comprising a dispersion of hydrolyzable fines, optionally with one or more of a surfactant, plasticizer, dispersant, degradable particles, reactive particles and/or submicron particles selected from silicates, γ-alumina, mgo, γ-fe2o3, tio2, and combinations thereof.. ... Schlumberger Technology Corporation

04/19/18 / #20180105733

Early viscosity enhancement of gelled oil

A method of increasing the viscosity of a gelled organic-based fluid is disclosed. The method includes forming the gelled organic-based fluid by combining an organic solvent, an alkaline agent in the form of particles present in the gelled organic-based fluid in an amount from about 0.001 to about 0.02 pounds per gallon of the gelled organic-based fluid, a gelling agent, and a metal crosslinker. ... Schlumberger Technology Corporation

04/12/18 / #20180100388

Treatment based on fiber cable sensor data

A method can include, during a treatment process, receiving vibration data acquired over a length of a fiber cable sensor disposed in a well that includes perforations; filtering the vibration data as to traveling waves to generate filtered data; analyzing the filtered data to generate fluid flow information; and adjusting the treatment process based at least in part on the fluid flow information.. . ... Schlumberger Technology Corporation

04/12/18 / #20180100363

Downhole tools and methods of controlling downhole tools

A downhole tool that has a plurality of arm assemblies. Each of the arm assemblies has an arm configured to expand and retract and an actuator. ... Schlumberger Technology Corporation

04/12/18 / #20180100358

System and method for component centering

A technique facilitates positively centering a well component, e.g. A downhole tool and/or coiled tubing, inside a pressure barrier, e.g. ... Schlumberger Technology Corporation

04/05/18 / #a seismic system that includes a seismic source configured to generate a first seismic signal and a second seismic signal in a formation adjacent the seismic source. a first downhole sensing device disposed in a first borehole configured to detect the first seismic signal and the second seismic signal in the formation; and a first surface acquisition system is in communication with the first downhole sensing device. the first surface acquisition system is configured to: determine a first reference transit time based at least in part on detection of the first seismic signal by the first downhole sensing device; a first subsequent transit time based at least in part on detection of the second seismic signal by the first downhole sensing device; and

Schlumberger Technology Corporation

. . ... Schlumberger Technology Corporation

04/05/18 / #20180097305

Electrical connectors and assemblies including same

Plugs, receptacles, and assemblies including same. The plug can include an interface having a plurality of pins extending therefrom. ... Schlumberger Technology Corporation

04/05/18 / #20180096059

Unstructured volumetric grid simplification using sub-volume clustering

A method, apparatus, and program product cluster a plurality of cells of an input unstructured volumetric grid representative of a subsurface volume into a plurality of clusters, simplify a boundary of each cluster and generate an output unstructured volumetric grid representing at least a portion of the input unstructured volumetric grid by generating in the output unstructured volumetric grid a respective cell for each of the plurality of clusters. The resulting output grid may be used to facilitate the generation of visualizations and/or numerical simulations.. ... Schlumberger Technology Corporation

04/05/18 / #20180095184

Crosswell microseismic system

A method can include receiving seismic data responsive to stimulation of an anisotropic formation via a well disposed in the formation; receiving crosswell calibrated velocity model information that spans a depth range of the anisotropic formation; locating a microseismic event generated by the stimulation based at least in part on a portion of the received seismic data and based at least in part on the crosswell calibrated velocity model information; and rendering the located microseismic event to a display with respect to one or more dimensions of the anisotropic formation.. . ... Schlumberger Technology Corporation

04/05/18 / #20180094685

Reactive super-elastic composite oilfield components

An oilfield tool can include a composite structure that includes a reactive shape-memory alloy element disposed at least in part in a filler material.. . ... Schlumberger Technology Corporation

04/05/18 / #20180094523

Methods of applications for a mass spectrometer in combination with a gas chromatograph

Methods may include emplacing a wellbore tool in a wellbore, the wellbore tool including a gas chromatograph and a mass spectrometer, wherein the mass spectrometer is configured to operate at a pressure greater than 10−2 torr, measuring a sample from the wellbore using the wellbore tool, and determining a molecular weight of one or more components of the sample from the measured response of the wellbore tool. Methods may also include establishing a library of one or more chemical components, emplacing a wellbore tool in a wellbore, the wellbore tool including a gas chromatograph and a mass spectrometer, wherein the mass spectrometer is configured to operate at a pressure greater than 10−2 torr, measuring a sample from the wellbore using the wellbore tool, comparing the measured response from the wellbore tool for the sample with results from the library of one or more chemical components, and determining a molecular weight of one or more components of the sample.. ... Schlumberger Technology Corporation

04/05/18 / #20180094522

Gas chromatograph mass spectrometer for downhole applications

Wellbore tools in accordance with the present disclosure may include a gas chromatograph; and a mass spectrometer, wherein the mass spectrometer is configured to operate at a pressure greater than 10−2 torr. Systems in accordance with the present disclosure may include a gas chromatograph; and a mass spectrometer, wherein the mass spectrometer is configured to operate at a pressure greater than 10−2 torr. ... Schlumberger Technology Corporation

04/05/18 / #20180094517

Wellsite performance system

A method can include receiving at least one metric; analyzing options associated with implementation of at least a portion of a well plan with respect to the at least one metric; implementing one of the options; receiving information via a wellsite system during implementation of the one of the options; adjusting the one of the options based at least in part on the information to provide an adjusted option; and implementing the adjusted option.. . ... Schlumberger Technology Corporation

04/05/18 / #20180094496

Downhole milling cutting structures

Systems, tools, and methods include using a milling assembly with a mill having multiple, different types of cutting element inserts. A gage region of the mill includes a first type of cutting element insert, and a shoulder region of the mill includes a second type of cutting element insert. ... Schlumberger Technology Corporation

04/05/18 / #20180094186

Method of hydraulic fracturing using fracturing fluid mixture with shrinkable polymer fibers and fine particles

The disclosure relates to well systems for producing various fluids, in particular for producing the fluid from the hydrocarbon-bearing formation using hydraulic fracturing. According to the method of hydraulic fracturing of the formation intersected by the wellbore, the wellbore is provided, and the step of injecting the fracturing fluid without proppant to the wellbore is performed to form a fracture in the formation. ... Schlumberger Technology Corporation

03/29/18 / #20180088249

Thin bed tuning frequency and thickness estimation

A method, apparatus, and program product analyze time-series data such as seismic data collected from a subsurface formation by splitting a time-series data set such as an individual seismic trace into a plurality of spectral components, each having an associated frequency, determining an instantaneous frequency for each spectral component, determining a frequency difference for each spectral component based at least in part on the associated and instantaneous frequencies therefor, and determining a tuning parameter based at least in part on the determined frequency difference of each spectral component. Doing so enables, for example, thin-bed structures in the subsurface formation to be identified, and in some instances, thicknesses of such structures to be determined.. ... Schlumberger Technology Corporation

03/29/18 / #20180087571

Bearing pressure indicator

A pressure indicator assembly disposed in a bearing has a first pressure relief valve and a first piston disposed in a first passage formed in a first component of the bearing and a first proximity switch disposed an initial distance away from the first piston. A first preset pressure value is set on the first pressure relief valve to indicate when pressure within the bearing is greater than or equal to the first preset pressure value.. ... Schlumberger Technology Corporation

03/29/18 / #20180087378

Downhole fluid analysis methods for determining viscosity

The present disclosure relates to methods and apparatus for determining a viscosity-pressure profile of downhole fluid by measuring the viscosity at several different pressures during a sampling operation. According to certain embodiments, the viscosity may be measured at different times during a sampling operation and used to generate the viscosity-pressure profile. ... Schlumberger Technology Corporation

03/29/18 / #20180087376

Characterization of non-radioactive laced cement using logging while drilling and wireline nuclear measurements

A method of performing a wellbore operation includes: circulating a doped wellbore fluid comprising a non-radioactive doped particulate material in a wellbore; and logging the wellbore with a logging-while-drilling tool to determine at least one characteristic of the doped wellbore fluid. A method of performing a wellbore operation includes: circulating a doped wellbore fluid comprising a non-radioactive doped particulate material in a wellbore; logging the wellbore with a logging tool; and determining a location of at least one fracture by elemental spectroscopy measurements.. ... Schlumberger Technology Corporation

03/29/18 / #20180087375

Integrated optical module for downhole tools

A downhole tool conveyable within a wellbore and able to optically communicate with surface equipment. The downhole tool includes a processing system operable to process electronic downlink signals and generate electronic uplink signals. ... Schlumberger Technology Corporation

03/29/18 / #20180087363

Use of energetic events and fluids to fracture near wellbore regions

A method includes placing a fluid in a treatment zone of a wellbore, the fluid in fluid communication with a near wellbore region of a subterranean formation. At least one energetic event generating material is placed in the wellbore, and positioned adjacent and up hole from the fluid. ... Schlumberger Technology Corporation

03/29/18 / #20180087353

Non-detonable shaped charge and activation

A non-detonable shaped charge capable of becoming detonable upon activation. The shaped charge may be utilized for use with a perforating gun in oilfield applications. ... Schlumberger Technology Corporation

03/29/18 / #20180087352

Punch and cut system for tubing

A technique facilitates efficient punching and cutting of a tubing with a single trip downhole. A cutter and a puncher are combined and conveyed together downhole into a borehole, e.g. ... Schlumberger Technology Corporation

03/29/18 / #20180087351

Wellsite system services

A method can include selecting a location in an area that includes offset wells; determining design parameters of the offset wells; modeling a modeled well based at least in part on the design parameters of the offset wells to generate design parameters for the modeled well; and determining design parameters for a well at the selected location based at least in part on a portion of the design parameters of the offset wells and based at least in part on a portion of the design parameters for the modeled well.. . ... Schlumberger Technology Corporation

03/29/18 / #20180087341

Inverted pipe ram protection system

A blow out preventer includes a blow out preventer body, at least one pipe ram disposed in the blow out preventer body which opens or closes in at least one respective cavity defined by the blow out preventer body, an inverted pipe ram disposed in the blow out preventer body which opens or closes in a respective cavity defined by the blow out preventer body, and a pressure management system for adjusting pressure within the blow out preventer below damaging pressure levels as one or more of the at least one pipe ram and the inverted pipe ram open or close in a respective cavity. In some cases, a second pipe ram disposed in the blow out preventer body which opens or closes in a respective cavity defined by the blow out preventer body.. ... Schlumberger Technology Corporation

03/29/18 / #20180087332

Automated tubular racking system

A tubular racking system has a racking module connected to a drilling rig mast. The racking module has a frame, a fingerboard assembly, and a clasp extendable to a stand hand-off position for securing a tubular stand in position. ... Schlumberger Technology Corporation

03/29/18 / #20180087331

Tubular delivery arm for a drilling rig

A tubular delivery arm that travels vertically along a rail on the front of a drilling mast in generally parallel orientation to the travel of a top drive. The tubular delivery arm has a dolly vertically translatably connected to a mast of the drilling rig. ... Schlumberger Technology Corporation

03/29/18 / #20180087323

Indexing drill bit

A drill bit may include a bit body and at least two cones assemblies including at least two drive cylinders having at least two cones. The at least two cone assemblies are mounted on the bit body. ... Schlumberger Technology Corporation

03/29/18 / #20180087321

Distributed well engineering and planning

A method can include asynchronously receiving a well trajectory as part of a well plan, a fluid plan as part of the well plan and a bottom hole assembly plan as part of the well plan where the well trajectory is based at least in part on information associated with a geologic environment; asynchronously determining coherency metrics as to dependencies between the well trajectory, the fluid plan and the bottom hole assembly plan; and, based at least in part on the coherency metrics, issuing one or more messages that call for adjusting one or more of the well trajectory, the fluid plain and the bottom home assembly plan.. . ... Schlumberger Technology Corporation

03/29/18 / #20180086894

Degradable polymeric material

A component can include a degradable polymeric material that includes a thermoplastic elastomeric matrix and alloy particles disposed at least in part within the matrix where the alloy particles include aluminum and one or more metals selected from a group of alkali metals, alkaline earth metals, group 12 transition metals, and basic metals having an atomic number equal to or greater than 31.. . ... Schlumberger Technology Corporation

03/29/18 / #20180085850

System and methodology for welding

A technique facilitates a welding operation in a variety of difficult environments, including downhole environments, to enable formation a dependable connection between components. A tool may be constructed to contain a material mixture used in the welding operation. ... Schlumberger Technology Corporation

03/22/18 / #20180081074

Multi-array seismic tool synchronization

A technique facilitates accumulation of information via arrays of seismic tools to enable improved assessment of subterranean reservoirs. A plurality of seismic tool arrays may be combined to increase the quantity of downhole seismic tools, e.g. ... Schlumberger Technology Corporation

03/22/18 / #20180081072

Single streamer deghosting with extended model space

A method for deghosting marine seismic streamer data includes receiving the marine seismic data recorded from a single streamer. A representation of an upgoing wavefield in the marine seismic data is defined. ... Schlumberger Technology Corporation

03/22/18 / #20180080313

Cross-well seismic monitoring of carbon dioxide injection

Methods are provided for tracking carbon dioxide (co2) migration in a hydrocarbon-bearing reservoir located under a cap rock in a formation. In one embodiment, at least one seismic source and a plurality of receivers are located in spaced boreholes in the formation with the sources and receivers located near or at the reservoir so that direct paths from the sources to the receivers extend through the reservoir. ... Schlumberger Technology Corporation

03/22/18 / #20180080306

Wellsite system services

A system can include an individual workspace well design application that includes a graphical user interface that includes selectable graphical elements corresponding to subsystems of a wellsite system and graphical alert elements; a collaborative workspace well design application operatively coupled to the individual workspace well design application; and well design evaluators operatively coupled to the individual workspace well design application and the collaborative workspace well design application where the evaluators receive and analyze design parameters associated with one or more subsystems of a wellsite system to control transmission of one or more alerts that activate one or more graphical alert elements of the individual workspace well design application.. . ... Schlumberger Technology Corporation

03/22/18 / #20180079696

Reactive gas shaped charge and method of use

A perforating system including a perforating gun having a perforating gun body housing shaped charges oriented outwardly from the gun body and connected to a detonation system for deployment into a wellbore. The shaped charges include at least a case, a liner and explosive material that is thermally stable and of a composition that allows for reaction with metals, debris or formation walls in order to improve fluid flow from the formation upon perforating. ... Schlumberger Technology Corporation

03/15/18 / #20180075544

Well planning and drilling service

A method can include receiving information that includes well trajectory information, wellsite equipment information and driller information; based at least in part on the information, determining a level of detail of human executable well plan instructions; based at least in part on the information, generating a well plan where the well plan includes human executable well plan instructions based on the determined level of detail; and outputting the well plan.. . ... Schlumberger Technology Corporation

03/15/18 / #20180074220

Nested tubular analysis via electromagnetic logging

Methods and apparatus for analyzing nested tubulars via electromagnetic (em) logging. An example method includes operating an em logging tool within tubulars nested within a wellbore. ... Schlumberger Technology Corporation

03/15/18 / #20180073357

Well infiltration area calculation using logging while drilling data

A set of directional measurements are obtained for multiple measured depth intervals along the length of a wellbore. Based on the directional measurement sets, and for each measurement set, the locations corresponding to a portion of the well exposed to the reservoir rock are selected. ... Schlumberger Technology Corporation

03/15/18 / #20180073356

Single thread fiber optic transmission

A system for managing multiple transmissions over a single fiber optic thread at an oilfield. The system includes surface equipment and a downhole device coupled to the equipment by way of the fiber optic thread. ... Schlumberger Technology Corporation

03/15/18 / #20180073354

Downhole tool and electronics packaging configuration therefor

A tool for use in a borehole in a geological formation may include a chassis, a drill collar surrounding the chassis, a port plug coupled between the drill collar and the chassis, rf antennas carried by the drill collar, and a multi-chip module (mcm) electronics package(s). The electronics package(s) may include a hermetically sealed electronics housing positioned between the chassis and the drill collar, a substrate within the electronics housing, rf transmitter circuitry on the substrate to cooperate with at least one first rf antenna to transmit rf signals into the geological formation, and rf receiver circuitry on the substrate to cooperate with at least one second rf antenna to receive rf signals from the geological formation. ... Schlumberger Technology Corporation

03/15/18 / #20180073352

Zonal communication and methods of evaluating zonal communication

Methods may include recording pressure and/or temperature data at two or more time points in a region adjacent an isolated zone in a wellbore created by one or more isolation devices; and determining the degree of fluid communication around the one or more isolation devices from characteristic changes in the recorded pressure and/or temperature data. Methods may also include injecting a fluid into an isolated zone in a wellbore created by one or more isolation devices; recording pressure and/or temperature data at two or more time points in a region adjacent the isolated zone; and determining the degree of fluid communication around the one or more isolation devices from characteristic changes in the recorded pressure and/or temperature data.. ... Schlumberger Technology Corporation

03/15/18 / #20180073350

Constructing survey programs in drilling applications

A computing system, non-transitory computer-readable medium, and a method for surveying a wellbore. The method includes receiving a first survey of the wellbore from a first survey tool, receiving a second survey of the wellbore form a second survey tool, determining a first uncertainty of the first survey tool and a second uncertainty of the second survey tool, determining a first growth rate of the first uncertainty and a second growth rate of the second uncertainty, and generating a combined survey based at least partially on the first and second growth rates.. ... Schlumberger Technology Corporation

03/15/18 / #20180073346

Automated operation of wellsite equipment

Systems and methods for controlling wellsite equipment, including a cementing unit comprising a plurality of sensors operable to generate information related to operational status of the cementing unit and a controller comprising a processor and a memory including computer program code. Communication is established between the cementing unit and the controller. ... Schlumberger Technology Corporation

03/15/18 / #20180073335

Completion assembly

A completion assembly includes tubing that defines an axis that extends from a distal shoe end to a proximal uphole end where the tubing includes: a washdown shoe; a plug seat configured to receive a plug that hinders flow through the washdown shoe; a screen; a fluid loss control device that permits, in an exterior space, flow of fluid in an uphole direction and that hinders flow of fluid in a downhole direction; a circulation valve that is actuatable to permit flow of fluid from an interior space to the exterior space; a formation isolation valve that is actuatable to form a flow barrier in the interior space; a packer that is actuatable to extend radially outwardly from the tubing to form an annular flow barrier in the exterior space; and a barrier component that is actuatable to form a flow barrier in the interior space of the tubing.. . ... Schlumberger Technology Corporation

03/15/18 / #20180073310

Electrically conductive fiber optic slickline for coiled tubing operations

A slickline that includes both electrically conductive and fiber optic capacity. The slickline includes a fiber optic thread or bundle of threads disposed in a support tube and surrounded by an electrically conductive member such as tightly wound copper threads. ... Schlumberger Technology Corporation

03/08/18 / #20180067223

Separation of flexural and extensional modes in multi modal acoustic signals

Methods for separating flexural and extensional mode signals from a multi-modal signal are provided. In one embodiment, a method includes emitting an ultrasonic pulse to excite a multi-modal lamb wave in a pipe and then detecting acoustic signals generated from the lamb wave. ... Schlumberger Technology Corporation

03/08/18 / #20180066518

Method for contamination monitoring

A method of evaluating a fluid from a subterranean formation drawn into a downhole tool positioned in a wellbore penetrating the subterranean formation is provided. This method involves drawing fluid from a formation into a flowline, measuring at least one property of the fluid in the flowline and detecting stabilization of the property or properties of the fluid in the flowline. ... Schlumberger Technology Corporation

03/08/18 / #20180066489

Wellbore plug and abandonment

A downhole tool for conveyance within a wellbore extending into a subterranean formation. The downhole tool includes a sealing material and a laser apparatus, and is operable to create and fill a void with the sealing material to form a plug during a plug and abandonment operation.. ... Schlumberger Technology Corporation

03/01/18 / #20180061610

Energy radiation generator with bi-polar voltage ladder

A well-logging tool may include a sonde housing, and a radiation generator carried by the sonde housing. The radiation generator may include a generator housing, a target carried by the generator housing, a charged particle source carried by the generator housing to direct charged particles at the target, and at least one voltage source coupled to the charged particle source. ... Schlumberger Technology Corporation

03/01/18 / #20180059283

Method for correcting natural gamma ray logging measurements

A method for correcting natural gamma ray measurements includes processing an acquired gamma ray spectrum in combination with elemental standard spectra and at least one standard mud activation spectrum to compute corrected natural gamma ray measurements. The gamma ray spectrum is acquired using a logging string employing a neutron source and a natural gamma ray sensor.. ... Schlumberger Technology Corporation

03/01/18 / #20180059277

Attenuation of multiple reflections

A method can include selecting a location associated with a seismic survey geometry; selecting a trace for the location where the trace is selected from one of a plurality of different types of traces that include real data traces, interpolated data traces and model data traces; generating a multiple model based at least in part on the selected trace; and adjusting seismic data based at least in part on the multiple model.. . ... Schlumberger Technology Corporation

03/01/18 / #20180059274

Post-critical reflection muting in seismic migration

A method for processing seismic data includes obtaining a velocity model, determining a critical angle for an interface represented in the velocity model based on a ratio between velocity of the seismic wave on first and second sides of the interface, determining an orientation of a normal vector extending normal to a location of the interface, determining an orientation of an arrival direction vector of a wavefield at the location of the interface, calculating an angle between the normal vector and the arrival direction vector, determining that the angle between the normal vector and the arrival direction vector is greater than the critical angle at the location, and attenuating the wavefield associated with the location in response to determining that the angle between the normal vector and the arrival direction vector is greater than the critical angle at the location.. . ... Schlumberger Technology Corporation

03/01/18 / #20180059088

Systems and methods for detection of mercury in hydrocarbon-containing fluids using optical analysis of slug flow

A method and system for detecting mercury in a hydrocarbon-containing fluid stores a sample of the hydrocarbon-containing fluid in a first reservoir. A liquid phase reagent solution is stored in a second reservoir. ... Schlumberger Technology Corporation

03/01/18 / #20180058982

Multifiber interrogation with reflectometry techniques

A system and method for simultaneously addressing multiple parallel distributed fiber optic sensors using a single interrogation instrument is disclosed. One or more of the fiber optic sensors are provided with a non-reflective delay element to prevent an overlap in time between backscatter returns from the distributed fiber optic sensors, thereby allowing the backscatter returns from each sensor to be distinguished based on round-trip transit time.. ... Schlumberger Technology Corporation

03/01/18 / #20180058213

Fluid compensation system for downhole sampling bottle

A formation fluid sampling bottle having a first chamber and a first piston slidably disposed within the first chamber and dividing the first chamber into first and second portions. The sampling bottle has a second chamber and a second piston slidably disposed within the second chamber and dividing the second chamber into third and fourth portions. ... Schlumberger Technology Corporation

03/01/18 / #20180058211

Joint inversion of downhole tool measurements

A method includes acquiring measurement values from at least two different types of downhole tools disposed in a portion of a bore in a formation; selecting formation parameters for joint inversion; building a near-bore fluid flow model of at least a portion of the formation that includes at least the portion of the bore; simulating fluid flow based at least in part on the near-bore fluid flow model and the selected formation parameters to generate simulated measurement values; comparing the acquired measurement values and the simulated measurement values; based at least in part on the comparing, revising at least one of the selected formation parameters to generate revised formation parameters and simulating fluid flow based at least in part on the near-bore fluid flow model and the revised formation parameters to generate revised simulated measurement values; and outputting at least the revised formation parameters to characterize the formation.. . ... Schlumberger Technology Corporation

03/01/18 / #20180058195

Magnetic detection of drill pipe connections

A system for determining a location of a drill pipe joint deployed in a bore includes at least one magnetometer deployed on the bore. A processor is in electronic communication with the magnetometer and is configured to process magnetic field measurements made by the magnetometer to determine at least one of an axial position and a lateral position of the drill pipe joint.. ... Schlumberger Technology Corporation

03/01/18 / #20180058190

Load-monitoring sensor proximate to a shifting device

A downhole tool includes a shifting device and a load-monitoring sensor positioned above the shifting device. A distance between the shifting device and the load-monitoring sensor is less than or equal to about 10 m.. ... Schlumberger Technology Corporation

02/22/18 / #20180051560

Downhole sampling tool with check valve piston

A sampling tool includes a tubular member and a sampling piston positioned within the tubular member. The sampling piston has a bore formed axially-therethrough. ... Schlumberger Technology Corporation

02/22/18 / #20180051553

Flowline saturation pressure measurements

A method for sampling a downhole formation fluid includes pumping formation fluid into the flowline of a downhole sampling tool, measuring a saturation pressure of the formation fluid in the flowline while pumping, and adjusting the pumping rate such that the fluid pressure in the flowline remains within a predetermined threshold above the measured saturation pressure.. . ... Schlumberger Technology Corporation

02/22/18 / #20180051552

Bore trajectory system

A method includes acquiring trajectory information; based at least in part on a portion of the trajectory information, generating a set of candidate trajectories with associated performance indicator values; rendering a graphical user interface to a display; via the graphical user interface, receiving input that adjusts one of the performance indicator values; and, responsive to the adjustment of the one of the performance indicator values, selecting one of the set of candidate trajectories.. . ... Schlumberger Technology Corporation

02/22/18 / #20180051551

Downhole tool for measuring accelerations

A downhole tool is provided for measuring accelerations at a location within a subterranean borehole. The tool is rotatable around the longitudinal direction of the borehole. ... Schlumberger Technology Corporation

02/22/18 / #20180051535

Systems and techniques for controlling and monitoring downhole operations in a well

An apparatus and method for using a pressure-powered tool to perform a downhole operation in a well determine the operating condition of the tool based on indications of pressure in a region associated with the tool. If the pressure indications are indicative of an undesired operating condition, corrective action is taken, such as mechanically shifting the tool or rupturing the rupture disc of an electric rupture disc (erd) system to shift the tool to a desired operating condition.. ... Schlumberger Technology Corporation

02/22/18 / #20180051531

Architecture and method for fabricating reinforced packer elements

A reinforced elastomeric element for a packer is disclosed. The elastomeric element is formed of a base layer, a reinforcing layer, and a top layer superimposed over the reinforcing layer to create a reinforced elastomeric element. ... Schlumberger Technology Corporation

02/15/18 / #20180048544

Dynamic scada

A supervisory control and data acquisition (scada) unit and technique for managing communications over a network of defined capacity. The unit and techniques include safeguarding the network while allowing for operations to proceed at an oilfield. ... Schlumberger Technology Corporation

02/15/18 / #20180047117

Symbolic rigstate system

A method can include receiving data associated with a drilling operation in a geologic environment; determining a state based at least in part on the data; representing the state using a symbolic representation scheme that includes letters; storing the represented state in a database; and, for a combination of letters that represents a combination of states, performing a search engine based search of the database to generate a search result.. . ... Schlumberger Technology Corporation

02/15/18 / #20180045845

Method and system for processing sonic data acquired with a downhole tool

A method for processing sonic data acquired with a downhole sonic tool is provided. The method comprises detecting coherent noise based on a plurality of waveforms obtained from one or more receivers issued by one or more transmitters. ... Schlumberger Technology Corporation

02/15/18 / #20180045844

Multi-mode acoustic tool and method

A downhole acoustic tool and method of use are provided. The acoustic tool includes an acoustic tool body. ... Schlumberger Technology Corporation

02/15/18 / #20180045559

Seismic investigations using seismic sensor

Systems capable of seismically investigating the earth can include seismic sources and a disposable seismic sensor such as a fiber optic seismic sensor included within a drill string. The fiber optic seismic sensor can include a plurality of fiber bragg gratings. ... Schlumberger Technology Corporation

02/15/18 / #20180045331

Automated operation of wellsite equipment

Systems and method for controlling wellsite equipment, including pumps and a manifold having a low-pressure (lp) manifold, having lp ports with lp valves, and a high-pressure (hp) manifold, having hp ports with hp valves and bleed ports with bleed valves. The pumps are fluidly coupled with the lp manifold via lp conduits and with the hp manifold via hp conduits. ... Schlumberger Technology Corporation

02/15/18 / #20180045043

Automatic mud pulse telemetry band selection

A method for automatically selecting a frequency band for transmission of a mud pulse telemetry signal includes transforming acquired transducer measurements from a time domain to a frequency domain to obtain a spectrum of measurements. The spectrum of measurements is processed to compute a total energy in band and a standard deviation of the power spectral density in band for a plurality of frequency bands. ... Schlumberger Technology Corporation

02/15/18 / #20180045033

Downhole tool for measuring angular position

A downhole tool for measuring angular positions at a location within a subterranean borehole. The tool is rotatable around the longitudinal direction of the borehole. ... Schlumberger Technology Corporation

02/15/18 / #20180045031

Integrated well completions

A method includes collecting data for a borehole, designing an integrated wellbore isolation plan, the integrated wellbore isolation plan including a drilling plan and a cementing plan for the borehole, and setting zonal isolation parameters for the borehole based on the integrated wellbore isolation plan.. . ... Schlumberger Technology Corporation

02/15/18 / #20180045009

Milling tool and method

Tubing in a borehole is removed using a rotary milling tool comprising a plurality of elements projecting from or extensible from the body of the tool. The elements are distributed azimuthally around the tool body. ... Schlumberger Technology Corporation

02/15/18 / #20180045001

Bell nipple

A bell nipple for use in an offshore wellbore operation comprising an upper tubular member and a lower tubular member connected telescopically via a slip joint, one or more pistons at the level of the radial plane which is defined by the lowest point of the side outlet and each substantially not axially movable relative to the lower tubular member, wherein the total cross sectional area of the one or more pistons is substantially the same as the cross sectional area of the slip joint less the cross sectional area of the drillpipe. The one or more pistons in the bell nipple provides passive heave compensation in the system, so that the flow rate of drilling fluid measured along the flowline is free from perturbation due to heave during offshore operations.. ... Schlumberger Technology Corporation

02/15/18 / #20180044576

Stabilized pillars for hydraulic fracturing field of the disclosure

Methods of strengthening a proppant pack and resulting proppant pillar from both the inside and outside are described. Embodiments various additives to facilitate proppant/proppant interaction and modifying proppant surface to facilitate proppant interaction. ... Schlumberger Technology Corporation

02/15/18 / #20180044575

Materials and their characterization in heterogeneous proppant placement

Methods of selection of materials that are used as a proppant for hpp fracturing treatments, also the procedure for the design of hpp treatment.. . ... Schlumberger Technology Corporation

02/15/18 / #20180044572

Flowback aid for fracturing fluids

Methods of fracturing a subterranean formation include introducing a fracturing fluid containing an aqueous medium, a viscosifying agent and a polyethylene oxide alkyl ether through a wellbore and into the subterranean formation, pressurizing the fracturing fluid to fracture the subterranean formation, and allowing the fracturing fluid to flow back into the wellbore from the subterranean formation. The polyethylene oxide alkyl ether useful in some embodiments is defined according to the formula: where r1 and r2 are independently selected from linear or branched alkyl groups having from 2 to 16 carbon atoms, and ‘n’ may be a value selected from within a range of from 1 to 100.. ... Schlumberger Technology Corporation

02/15/18 / #20180044569

Compositions and methods for servicing subterranean wells

Well treatment compositions comprise water, a polysaccharide and cellulose fibers. The cellulose fibers may have lengths between 100 nm and 10 mm, and diameters between 4 nm and 40 μm. ... Schlumberger Technology Corporation

02/15/18 / #20180044042

Aqueous solution and method for use thereof

Aqueous compositions contain hydrochloric acid at a concentration between 8 wt % and 28 wt % inclusive. The amino acid; hydrochloric acid mole ratio may be between 0.2 and 1.5. ... Schlumberger Technology Corporation

02/08/18 / #20180041086

Polymeric materials

A submersible component can include a conductor; and a polymeric material disposed about at least a portion of the conductor where the polymeric material includes at least approximately 50 percent by weight polyether ether ketone (peek) and at least 5 percent by weight perfluoroalkoxy alkanes (pfa). A submersible electrical unit can include an electrically conductive winding; and a polymeric composite material disposed about at least a portion of the electrically conductive winding where the polymeric composite material includes polymeric material at at least approximately 40 percent by volume and one or more fillers at at least approximately 10 percent by volume.. ... Schlumberger Technology Corporation

02/08/18 / #20180038780

Method of operating a taylor-couette device equipped with a wall shear stress sensor to study emulsion stability and fluid flow in turbulence

Methods may include emplacing an emulsion into an annular region of a taylor-couette (tc) device; flowing the emulsion through the annular region created by a first annular surface and a second annular surface; contacting one or more shear sensors disposed on a surface of the annular region with the flowing emulsion, wherein contact with the one or more shear sensors generates a signal that scales with shear stress exerted by the flowing emulsion, and determining one or more of wall shear stress from the signal obtained from the one or more shear sensors. Methods may also include determining the apparent viscosity of the fluid composition from the stress measured on the wall of the tc device.. ... Schlumberger Technology Corporation

02/08/18 / #20180038195

Deployment valves operable under pressure

Methods for deploying a coiled tubing string into a wellbore include providing a coiled tubing having a distal end and an opposing end connected with a reel, providing a tool including a tool body, a valve operable under wellbore pressure disposed within the tool body, and a first fluid passageway and a second fluid passageway defined within the tool body. Fluid communication is established through the distal end of the coiled tubing and the first fluid passageway and the second fluid passageway, and the coiled tubing and tool are deployed into the wellbore.. ... Schlumberger Technology Corporation

02/08/18 / #20180038188

Deployment method for coiled tubing

Methods include providing a first portion of a tool string including a tool, a deployment bar, and at least one deployment valve, where the deployment valve includes a valve therein which is operable under wellbore pressure and further comprises a fluid passageway there through. The first portion of the tool string is connected to a conveyance device in a riser, and then moved into a blowout preventer body having at least one sealing ram for engaging with a neck on the deployment bar, where the valve is in an open position and the riser is under wellbore pressure during the moving. ... Schlumberger Technology Corporation

02/08/18 / #20180038176

Powered sheaved with wireline pushing capability

Methods include deploying a downhole tool into a wellbore with a conveyance apparatus by mounting a tool to a distal end of a spooled conveyance apparatus, routing the conveyance apparatus around a powered sheave assembly, which includes a plurality of grooves disposed on the outer surface of the sheave to accommodate the conveyance apparatus, and providing a power source for applying torque to the powered sheave. The powered sheave assembly then deploys the conveyance apparatus into the wellbore. ... Schlumberger Technology Corporation

02/08/18 / #20180037797

Wellbore sealant using nanoparticles

A wellbore is internally sealed using nanoparticles. Permeability properties are determined for a particular formation, along with its pore throat size distribution. ... Schlumberger Technology Corporation

02/01/18 / #20180035566

External structure heat sink

Systems and methods for dissipating heat from an electrical component using an external structure of a trailer or shed as a heat sink are disclosed. A heat-producing electrical component such as a variable frequency drive (vfd) using an insulated-gate bipolar transistor (igbt) is housed in a trailer and is thermally coupled to an exterior wall of the trailer to use the wall as a heat sink to dissipate heat from the vfd and igbt. ... Schlumberger Technology Corporation

02/01/18 / #20180032356

Enhanced oil recovery (eor) chemical coreflood simulation study workflow

A method, apparatus, and program product may generate and/or utilize a three-dimensional computer simulation model of a core plug suitable for use in a computer-implemented general purpose reservoir simulator. Simulation studies may be performed on the simulation model to establish a water base case for the simulation model, and to establish one or more enhanced oil recovery (eor) chemical properties and further validate the simulation model.. ... Schlumberger Technology Corporation

02/01/18 / #20180031732

Diagenetic and depositional rock analysis

A method can include receiving data for a geologic environment where the data include data acquired via different types of borehole tool sensors; based at least in part on the data, determining rock composition of the geologic environment where the rock composition includes depositional components and diagenetic components; and, based at least in part on the rock composition, outputting a stratigraphic model of at least a portion of the geologic environment.. . ... Schlumberger Technology Corporation

02/01/18 / #20180031725

Compensated sigma from measurements made by a pulsed neutron instrument

A method for determining a formation thermal neutron decay rate from measurements of radiation resulting from at least one burst of high energy neutrons into formations surrounding a wellbore includes determining a first apparent neutron decay rate in a time window beginning at a first selected time after an end of the at least one burst, a second apparent decay rate from a time window beginning at a second selected time after the burst and a third apparent decay rate from a third selected time after the burst. The second time is later than the first time. ... Schlumberger Technology Corporation

02/01/18 / #20180030968

Methods and systems for pressurizing harsh fluids

Methods and systems relate to a pressure exchanger which exchanges pressure energy from a high pressure clean fluid system to a relatively low pressure harsh fluid system for use in pressurizing the harsh fluid and directing the fluid to a wellbore as high pressure harsh fluid without the harsh fluid contacting identified portions of the pressure exchanger.. . ... Schlumberger Technology Corporation

02/01/18 / #20180030819

Modeling of fluid introduction and/or fluid extraction elements in simulation of coreflood experiment

A coreflood experiment may be modeled by generating a three dimensional computer simulation model of a core plug and modeling within the three dimensional computer simulation model one or both of a fluid introduction element or a fluid extraction element of a core holder used in the coreflood experiment. Once generated, the model may be loaded and used when running a simulation to model a heterogeneous distribution of fluid flow proximate one or more faces of the core plug.. ... Schlumberger Technology Corporation

02/01/18 / #20180030811

Active integrated flow control for completion system

A technique facilitates active zonal control over the inflow of fluids into a lateral wellbore completion at individual well zones of a plurality of well zones. The completion may comprise a plurality of sand screens through which inflowing fluids pass before entering an interior of the completion, e.g. ... Schlumberger Technology Corporation

02/01/18 / #20180030802

Deployment blow out preventer with interlock

Methods include providing a blowout preventer body having at least one sealing ram for engaging with a downhole tool, and the sealing ram is hydraulically actuatable between a ram open position and a ram closed position. A hydraulic control valve is provided and used for sensing a differential pressure across the at least one sealing ram. ... Schlumberger Technology Corporation

02/01/18 / #20180030801

Shearable deployment bars with mutiple passages and cables

Apparatus for deploying coiled tubing into a wellbore include a neck portion extending between end connections, where the end connections are configured to be attached to a coiled tubing tool string, and a main flow passage, at least one secondary flow passage and at least one electrical device passageway extending through the neck portion and the end connections. In some aspects, a wireline cable or an optical fiber is disposed in the electrical device passageway, and a well treatment fluid flows through the main flow passage. ... Schlumberger Technology Corporation

02/01/18 / #20180030785

Bottomhole assembly

A bottomhole assembly for performing a wellbore operation comprising a plurality of full-gauge components that are each radially expandable and retractable between respective first positions and respective second positions, wherein the first positions each have a diameter which is substantially the same as that of the wellbore and wherein the second positions each have a diameter which is substantially smaller than that of the wellbore. The plurality of full-gauge components comprise a full-gauge drill bit and one or more full-gauge stabilizers. ... Schlumberger Technology Corporation

02/01/18 / #20180029209

Pivoting removal tool

A tool includes a shaft having a front end and a distal end; a displacement mechanism for extending and retracting the shaft; and one or more pivoting tool elements coupled to the tool shaft proximate to the distal end of the shaft, wherein the one or more pivoting tool elements includes a body having an upper element and a lower element, wherein the one or more pivoting tool elements includes a pivot point about which the upper element and lower element pivot while coupled to the shaft. A method includes extending the tool shaft and the pivoting tool element into a bore of the flow control device; pivoting the pivoting tool element while extending the tool shaft through a removable component of the flow control device; and removing the removable component from the flow control device by retracting the tool shaft through the bore of the choke.. ... Schlumberger Technology Corporation

01/25/18 / #20180024263

Seismic spectral balancing

A method can include receiving seismic data that has an associated bandwidth; for a number of frequency bands, for a number of frequency bands, iteratively filtering and adjusting the seismic data by applying band-pass filters to extract information associated with each of the frequency bands where the adjusting the seismic data includes, after each iteration, subtracting extracted information from the seismic data prior to a subsequent iteration; balancing the extracted information to generate spectrally balanced seismic data; and outputting the spectrally balanced seismic data.. . ... Schlumberger Technology Corporation

01/25/18 / #20180023731

Multi-layered coiled tubing designs with integrated electrical and fiber optic components

A multi-layer coiled tube is provided. The multi-layer coiled tube may include an inner coiled tube. ... Schlumberger Technology Corporation

01/25/18 / #20180023389

Formation pressure determination

A method, apparatus, and program product for determining a formation pressure for a reservoir. Measurement data for a pretest of a formation of the reservoir is received. ... Schlumberger Technology Corporation

01/25/18 / #20180023383

Method and system of model-based acoustic measurements for a perforated casing

A method of model-based acoustic measurements for a wellbore is disclosed. The method comprises creating an interpretation chart of acoustic measurements by a downhole tool in a wellbore using a numerical modeling and performing an evaluation with respect to the wellbore based on the interpretation chart.. ... Schlumberger Technology Corporation

01/25/18 / #20180023375

Vertical drilling and fracturing methodology

A method for drilling and fracturing a subterranean formation includes drilling a substantially horizontal pilot well from a previously drilled vertical pilot well. A plurality of substantially vertical sidetracks is drilled from the horizontal pilot well. ... Schlumberger Technology Corporation

01/25/18 / #20180023374

Multi-phase polymer shear viscosity calculation in polymer coreflood simulation study workflow

An apparent viscosity of an aqueous polymer composition used in a polymer flood may be determined by generating a relative permeability interpolation computer simulation model that is associated with a capillary desaturation function and that interpolates relative permeability curves for a coreflood experiment, validating the relative permeability interpolation computer simulation model using experimental data generated from the coreflood experiment using a water flood performed at a plurality of incremental flow rates on a core plug, determining an interpolated relative permeability to water for the aqueous polymer composition using experimental data generated from the coreflood experiment using a multi-phase flood with the aqueous polymer composition, and determining an apparent viscosity of the aqueous polymer composition from the interpolated relative permeability to water. The determined apparent viscosity may then be used to run a simulation to model the flow of the aqueous polymer composition.. ... Schlumberger Technology Corporation

01/25/18 / #20180023350

Method for preventing formation of a slug flow regime of a gas-liquid mixture in a non-linear wellbore or pipeline

A method for preventing formation of a slug flow regime of a gas-liquid mixture in a non-linear wellbore or a pipeline comprises determining at least one most probable place of fluid slugs development in the wellbore or the pipeline by mathematical simulation based on expected values of the gas-liquid mixture flow and known geometry of the wellbore or the pipeline and mounting a device, in the determined place of fluid slug development, that converts the stratified gas-liquid mixture flow into a dispersed flow.. . ... Schlumberger Technology Corporation

01/25/18 / #20180022987

Method of making rod-shaped particles for use as proppant and anti-flowback additive

A method for forming rod-shaped particles includes reducing a length of rods derived from a slurry made up of particles and a reactant, wherein the rods are in a stabilized state in which the reactant has been at least partially reacted with a coagulant, but the rods have not been sintered, and subsequently sintering the reduced length stabilized rods. The reducing the length of the stabilized rods includes subjecting the stabilized rods to mechanical vibration applied by a device, or feeding the stabilized rods through a device having a rotating cutting mechanism.. ... Schlumberger Technology Corporation

01/25/18 / #20180021984

Perforated membranes and methods of making the same

A method for forming a perforated membrane includes providing a mold having at least a first set of a plurality of rods extending to at least a first height from a base of the mold, introducing a curable material into the mold in an amount such that a height of the curable material from the base of the mold is less than or equal to the first height so that the first set of the plurality of rods are within the curable material and extend to or past the height of the curable material in the mold, curing the curable material, dissolving the first set of the plurality of rods to thereby form perforations in the cured material and removing the cured material having the perforations from the mold.. . ... Schlumberger Technology Corporation

01/18/18 / #20180017705

Determining an optical density linear dynamic range for an optical spectrometer

A technique includes acquiring dry condition and wet measurements using an optical spectrometer for a plurality of lamp intensities. The technique includes determining candidate maximum optical densities as a function of the lamp intensities based at least in part on a reference measurement that is acquired by the spectrometer, the reference measurement and does not vary with respect to the lamp intensities. ... Schlumberger Technology Corporation

01/18/18 / #20180017201

Pressurized chamber management

Apparatus and methods for filling a pressure compensated fluid container with a liquid. An example method includes restraining movement of a piston slidably disposed within the fluid container in a first piston position, wherein the piston divides the fluid container into first and second portions. ... Schlumberger Technology Corporation

01/18/18 / #20180016897

System and method for determining bottomhole conditions during flowback operations of a shale reservoir

A system and method is provided that determines at least one bottomhole condition during flowback operations in a well that traverses a hydraulically fractured reservoir. The system and method measure fluid properties of fluids produced at a surface-location of the well during the flowback operations. ... Schlumberger Technology Corporation








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