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Weatherford Technology Holdings Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "W" | Weatherford Technology Holdings Llc-related inventors


 new patent  Tieback cementing plug system

A method for casing a subsea wellbore includes running a tieback casing string into the subsea wellbore using a workstring including first, second, and third wiper plugs. The method further includes: launching a first release plug or tag into the workstring; pumping cement slurry into the workstring, thereby driving the... Weatherford Technology Holdings Llc

Method and sealing tubulars

A valve arrangement in a tubular having a first one way valve configured to prevent fluid flow in the tubular in a first direction; and a second one way valve configured to prevent fluid flow in the tubular in a second, opposite direction.... Weatherford Technology Holdings Llc

Drilling head with non-rotating annular seal assembly

A drilling head can include an annular seal assembly releasably secured in an outer housing, the annular seal assembly including an annular seal and an actuator that pressurizes a lubricant for delivery to an interior of the annular seal. A method can include positioning an annular seal in a drilling... Weatherford Technology Holdings Llc

Telemetry operated running tool

A method of hanging an inner tubular string from an outer tubular string cemented in a wellbore includes running the inner tubular string and a deployment assembly into the wellbore using a deployment string, wherein a running tool of the deployment assembly longitudinally and torsionally fastens the liner string to... Weatherford Technology Holdings Llc

Annulus isolation in drilling/milling operations

A method can include increasing a pressure differential from an interior to an exterior of a packer, thereby deactivating a lock that prevents setting of the packer, and applying a compressive load to a tubular string, thereby setting the packer. A packer can include an annular seal that extends radially... Weatherford Technology Holdings Llc

Apparatus and monitoring a rod pumping unit

A method for operating rod pumping unit for a wellbore includes measuring a parameter of the rod pumping unit at a first location; measuring the parameter of the rod pumping unit at a second location; and subtracting the measured parameters at the second location from the measured parameter at the... Weatherford Technology Holdings Llc

Methods and centrifuge fluid production and measurement using resistive cells

A system and method for centrifuge fluid production and measurement using resistive cells is provided. The method comprises separating an electrically conducting first fluid and a second fluid within a collection cell having a first and second section, wherein the collection cell has an electrically conductive outer wall and an... Weatherford Technology Holdings Llc

Mechanically operated reverse cementing crossover tool

A crossover tool for use in a wellbore includes: a tubular housing having a bypass port; a mandrel having a bore therethrough and a mandrel port in fluid communication with the mandrel bore, the mandrel movable relative to the tubular housing between a first position where the mandrel port is... Weatherford Technology Holdings Llc

Anti-extrusion barrier for packing element

Embodiments of the present disclosure generally relate to an anti-extrusion device used in a packer or a bridge plug. The anti-extrusion device includes a garter spring and a support assembly having a ring shaped body disposed in an entire circumference of an inner volume of the garter spring. The ring... Weatherford Technology Holdings Llc

Tubular handling tool

Embodiments of the invention generally relate to a tubular handling tool. The tool may include a base and a ring or sleeve member. The tool may further include an actuation member configured to move or rotate the ring or sleeve member relative to the base. Additionally, the tool may include... Weatherford Technology Holdings Llc

Ultrasonic cement and casing thickness evaluation

Methods and systems for logging a wellbore having a casing are described. Acoustic energy, typically ultrasonic acoustic energy, is used to stimulate reverberation of the casing at a harmonic (for example, the second or third harmonic) of the resonance frequency of the casing. One or more acoustic sensors are used... Weatherford Technology Holdings Llc

Rotating control device, and installation and retrieval thereof

A rotating control device can include a latch assembly with a lock ring that permits displacement of an inner mandrel in one longitudinal direction, and prevents displacement of the inner mandrel in an opposite longitudinal direction. Another rotating control device can include a latch assembly and an equalization valve having... Weatherford Technology Holdings Llc

Drilling system and method having flow measurement choke

A drilling system used with drilling fluid for drilling a wellbore has at least one choke in adjustable communication with flow from the wellbore. A programmable control device determines a flow coefficient value of the choke from a measured position value and a stored characteristic of the choke. The device... Weatherford Technology Holdings Llc

Fill up tool

A fill up tool includes a mandrel; a primary sealing member disposed around the mandrel; and a selectively operable secondary sealing member activated by rotation of the mandrel. In another embodiment, the selectively operable secondary sealing member is activated using hydraulic pressure.... Weatherford Technology Holdings Llc

Protecting production wells using natural gas injection

A method of protecting a first well from stimulation fluid of a second well includes shutting in the first well; starting injection of natural gas into the first well to increase a pressure of the first well; treating the second well using a stimulation fluid after starting natural gas injection;... Weatherford Technology Holdings Llc

Couplings for expandable tubular

An expandable tubular for use in a wellbore includes: a pin formed at a first longitudinal end of the expandable tubular; a box formed at a second longitudinal end of the expandable tubular; a tubular body connecting the pin and the box; and an elastomeric seal disposed in a groove... Weatherford Technology Holdings Llc

Gain stabilization of radiation detectors via spectrum analysis

Prior to actual use in a downhole application, gamma spectrum shape for a gamma detector can be quantified, and a relationship established between detector gain and spectrum shape. Given this relationship, the shape of a gamma spectrum measured after downhole deployment of the detector within a wellbore, for example as... Weatherford Technology Holdings Llc

Dual layer fusion bond epoxy coating for continuous sucker rod

Embodiments of the present disclosure generally relate to apparatus and methods for manufacturing continuous sucker rods with protective coatings. One embodiment provides a coating system including a first drive station disposed on a first end of a coating line, a second drive station disposed on a second end of the... Weatherford Technology Holdings Llc

Time division multiplexing (tdm) and wavelength division multiplexing (wdm) fast-sweep interrogator

Methods and apparatus for fast sweeping a spectral bandwidth in order to distinguish among signals received from effectively wavelength division multiplexed (WDMed) and time division multiplexed (TDMed) optical components on a single fiber. For some embodiments, a method for interrogating optical elements having characteristic wavelengths spanning a sweep range is... Weatherford Technology Holdings Llc

Gas extraction calibration system and methods

A system and method calibrate efficiency of a gas extraction system in extracting hydrocarbons from mud flowing in a drilling operation. A background reading of a hydrocarbon is extracted from the mud flowing in the drilling operation with the gas extraction system and is checked for stability. An injection operation... Weatherford Technology Holdings Llc

Real-time fluid contamination prediction using bilinear programming

Methods and systems are described for estimating the level of contamination of downhole fluid and underlying composition using physical property measurements, and mathematical modeling of contamination functions and fluid property mixing laws. The proposed approaches enable computation of estimates of the pumping time needed to achieve a certain contamination threshold... Weatherford Technology Holdings Llc

Position sensing for wellsite pumping unit

A hydraulic pumping system for use with a subterranean well can include an actuator with a displaceable actuator member, a magnet device that displaces with the actuator member, the magnet device including at least one permanent magnet positioned between low magnetic permeability elements, and a sensor that senses a magnetic... Weatherford Technology Holdings Llc

Method and controlling a downhole tool

A downhole processing apparatus for controlling a downhole tool in a well can include a downhole processing device providing a first timing operation and a second timing operation; the first timing operation being associated with a first downhole sensor capable of at least receiving a signal sent via a first... Weatherford Technology Holdings Llc

Method and detection and quantification of borehole standoff

A method of quantifying borehole properties, comprising: injecting an electric current from an outer button and an inner button disposed on an equipotential pad into a subterranean formation surround by the borehole, measuring an apparent conductivity or a scaled current for each button, modeling the measurements at a sequence of... Weatherford Technology Holdings Llc

Treatment tool for use in a subterranean well

A treatment tool can include a housing with longitudinal passages, a valve that controls flow between sections of one passage, another valve that controls flow between the one passage and a section of another passage, and a locking device that prevents the first valve from being transitioned to an open... Weatherford Technology Holdings Llc

Hydraulically actuated fluid communication mechanism

A completion apparatus for a wellbore includes several flow tools and an actuation mechanism. The flow tools have a piston defining first and second chambers with a housing. The chambers communicates with hydraulics so the piston are movable in response to the communicated hydraulics. A sleeve disposed in the housing... Weatherford Technology Holdings Llc

Pressure gauge insensitive to extraneous mechanical loadings

Methods, apparatus, and systems are provided for sensing pressure. One example apparatus includes a housing having a first port, a chamber disposed in the housing and having a second port, wherein the second port is coupled to the first port such that a volume inside the chamber is in fluid... Weatherford Technology Holdings Llc

Control of hydraulic power flowrate for managed pressure drilling

An assembly uses a choke to control flow of wellbore fluid in a drilling system. A controller operatively coupled to the choke can control opening/closing of the choke with hydraulic power and an actuator. The control operates the opening/closing of the choke with a choke control value to control a... Weatherford Technology Holdings Llc

Exposed energetic device initiation via tubing conveyed firing mechanism

A mechanical firing system is used to detonate energetic material, such as external perforating charges, disposed on an apparatus deployed on tubing in a wellbore. In one embodiment, a through-bulkhead explosive energy transfer is used to deliver the detonation from the mechanical firing system to an external detonator. In another... Weatherford Technology Holdings Llc

Latch position indicator system and method

Latch position indicator systems remotely determine whether a latch assembly is latched or unlatched. The latch assembly may be a single latch assembly or a dual latch assembly. An oilfield device may be positioned with the latch assembly. Non-contact (position), contact (on/off and/or position) and hydraulic (flowmeter), both direct and... Weatherford Technology Holdings Llc

Positioning tool with extendable landing dogs

A positioning tool can include a mandrel and an engagement device reciprocably disposed on the mandrel. The engagement device can include at least one engagement member and at least one landing dog. The mandrel can displace relative to the engagement device in response to engagement between the engagement member and... Weatherford Technology Holdings Llc

Valve operable in response to engagement of different engagement members

A system can include a tubular string having at least two internal profiles, and a valve assembly reciprocably disposed in the tubular string. The valve assembly is actuated to a closed configuration in response to displacement of the valve assembly through one internal profile, and the valve assembly is actuated... Weatherford Technology Holdings Llc

Valve operable between open and closed configurations in response to same direction displacement

A valve assembly can include a generally tubular housing, a mandrel reciprocably disposed in the housing and operative to displace a valve closure in response to relative displacement between the mandrel and the housing, an engagement device reciprocably disposed externally on the housing and secured relative to the mandrel, so... Weatherford Technology Holdings Llc

Quick connect connection

Embodiments of the present disclosure relate to a tubular connection assembly that maybe quickly connected and with improved capacity for axial loads. The tubular connection assembly may include a box end member having a first groove formed in an inner surface, a pin end member having a second groove formed... Weatherford Technology Holdings Llc

Power supply for a top drive

A method and apparatus for suppling non-hydraulic power to a tool unit during well operation. A top drive supplies power to a power consumer of the tool unit with a non-hydraulic power supply: a mechanical power coupling from the top drive to the tool unit, a wireless power coupling from... Weatherford Technology Holdings Llc

07/27/17 / #20170211343

Compensated top drive unit and elevator links

A top drive unit including a top drive housing, a drive stem disposed in the top drive housing, a carrier configured to axially move the drive stem relative to the top drive housing, and a drive mechanism for rotating the drive stem.... Weatherford Technology Holdings Llc

07/27/17 / #20170211712

Composite sandwich panels for oilfield valve

An oilfield valve having a body defining a throughbore and configured for controlling flow through the throughbore, wherein the valve has a disc connected to the body and movable between an open position and a closed position, and further wherein the disc has a top surface and a bottom surface,... Weatherford Technology Holdings Llc

07/20/17 / #20170204846

Reciprocating rod pumping unit

In one embodiment, a reciprocating rod pumping unit includes a tower; a counterweight assembly movable along the tower; a drum connected to an upper end of the tower and rotatable relative thereto; a belt having a first end connected to the counterweight assembly, extending over the drum, and having a... Weatherford Technology Holdings Llc

07/20/17 / #20170205302

Small profile pressure and temperature gauges

Small profile apparatus for pressure and/or temperature sensing within a wellbore are provided. The apparatus may include optical sensing assemblies designed for inclusion in traditional or coiled production tubing deployments and suitable for use in high pressure, high temperature environments. One example assembly generally includes an outer housing, an inner... Weatherford Technology Holdings Llc

07/13/17 / #20170198526

Subsea casing drilling system

In one embodiment, a casing bit drive assembly may be used with a casing drilling system. The casing bit drive assembly may include one or more of the following: a retrievable drilling motor; a decoupled casing sub; a releasable coupling between the motor and casing bit; a releasable coupling between... Weatherford Technology Holdings Llc

07/13/17 / #20170198530

Downhole running cable depth measurement

A cable is used for running a load between surface and downhole in a well. The cable includes one or more wires composed of a non-metallic material. Each of the one or more wires bears the load from the surface and can electrically conduct between the surface and downhole. An... Weatherford Technology Holdings Llc

07/13/17 / #20170198556

Gravel pack manifold and associated systems and methods

A gravel pack system can include a manifold having at least three flow passages isolated from each other, with each of the passages intersecting a same lateral cross-section. A method can include displacing a service string, thereby controlling flow through ports that provide communication with a manifold exterior, the manifold... Weatherford Technology Holdings Llc

07/06/17 / #20170191342

Anchoring seal

The present invention generally relates to an anchor seal for an expandable tubular assembly. In one aspect, an anchoring seal assembly for creating a seal portion and an anchor portion between a first tubular that is disposed within a second tubular is provided. The anchoring seal assembly includes an expandable... Weatherford Technology Holdings Llc

06/29/17 / #20170183923

Heave compensation system for assembling a drill string

A method of deploying a jointed tubular string into a subsea wellbore includes lowering the tubular string into the subsea wellbore from an offshore drilling unit. The tubular string has a slip joint. The method further includes, after lowering, anchoring a lower portion of the tubular string below the slip... Weatherford Technology Holdings Llc

06/29/17 / #20170186512

Downhole running cable having non-metallic conducting and load bearing wire

A cable (100) is used for running a load between surface and downhole in a well. The cable includes one or more wires (110) composed of a non-metallic material. Each of the one or more wires (110) bears the load from the surface and electrically conducts between the surface and... Weatherford Technology Holdings Llc

06/22/17 / #20170175482

Extrusion-resistant seals for expandable tubular assembly

The present invention generally relates to extrusion-resistant seals for an expandable tubular assembly. In one aspect, a seal assembly for creating a seal between a first tubular and a second tubular is provided. The seal assembly includes an annular member attached to the first tubular, the annular member having a... Weatherford Technology Holdings Llc

06/22/17 / #20170175498

Pump-through perforating gun combining perforation with other operation

In servicing a wellbore having casing cemented therein, an assembly deploys on tubing (coiled tubing or jointed pipe) downhole. Fluid is circulated down the tubing to the assembly, and a perforating gun on the assembly passes the circulated fluid through it. A tool downhole on the assembly is then operated... Weatherford Technology Holdings Llc

06/15/17 / #20170167221

Rotating control device having a partition seal assembly

A rotating control device (RCD) which partitions the rotating speed of an inner barrel relative to a rotary and stationary seal via a roller bearing assembly. The roller bearing assembly causes the rotary seal to rotate at near half the speed, or portion of the speed thereof, of the inner... Weatherford Technology Holdings Llc

06/15/17 / #20170167236

Rod string rotation during well pumping operations

A well pumping system can include an actuator that reciprocates a rod string, and a rod rotator including at least one helical profile and at least one engagement device. The rod string may rotate in response to longitudinal displacement of the rod string while the engagement device is engaged with... Weatherford Technology Holdings Llc

06/08/17 / #20170159363

Rfid device for use downhole

In one embodiment, a radio-frequency identification device for use in a wellbore includes a housing made of a polymer; and an antenna disposed in the housing. The polymer may be selected from the group consisting of an elastomer, a plastic, a rubber, a thermoplastic elastomer, and combinations thereof. The RFID... Weatherford Technology Holdings Llc

06/01/17 / #20170152733

Gas lift valve with mixed bellows and floating constant volume fluid chamber

A valve apparatus capable of withstanding high pressures and techniques for using this apparatus in various suitable applications are provided. The valve apparatus typically includes both an upper bellows comprising a standard, convoluted bellows and a lower bellows comprising an edge-welded bellows. The valve apparatus may also include a floating,... Weatherford Technology Holdings Llc

06/01/17 / #20170152737

Calculating downhole card in deviated wellbore using parameterized segment calculations

In a deviated wellbore, a pump system computes downhole data from surface data by solving a wave equation that takes both viscous damping and Coulomb friction into consideration. Mechanical friction between the rods, couplings, and tubing is considered in the calculation of downhole data in the deviated wellbore by modelling... Weatherford Technology Holdings Llc

05/25/17 / #20170145764

Managed pressure drilling system having well control mode

A method of drilling a subsea wellbore includes drilling the subsea wellbore and, while drilling the subsea wellbore: measuring a flow rate of the drilling fluid injected into a tubular string; measuring a flow rate of returns; comparing the returns flow rate to the drilling fluid flow rate to detect... Weatherford Technology Holdings Llc

05/25/17 / #20170145780

Downhole tool having slips set by stacked rings

An apparatus installs downhole in a surrounding tubular. A first shoulder on a mandrel of the apparatus is movable toward a second shoulder. A plurality of stacked rings are disposed about the mandrel and are spaced between the first and second shoulders. A first of the stacked rings decreases in... Weatherford Technology Holdings Llc

05/25/17 / #20170145799

Well pumping system with enclosed rod rotator

A well pumping system can include a rod rotator including a torque transfer device, an outer housing and a rotary actuator. The rotary actuator rotates the torque transfer device and a rod relative to the outer housing. The rod reciprocably displaces longitudinally relative to the outer housing. A method of... Weatherford Technology Holdings Llc

05/25/17 / #20170145811

Reservoir analysis with well pumping system

A reservoir analysis method can include transmitting a signal from a downhole pump in a wellbore, receiving the signal at another wellbore, and determining a reservoir characteristic from the received signal. A reservoir analysis system can include a downhole pump positioned in a wellbore and a sensor positioned at another... Weatherford Technology Holdings Llc

05/25/17 / #20170145814

Manipulation of multi-component geophone data to identify downhole conditions

Methods and apparatus for using multi-component geophones and/or multi-component geophone arrays to measure flow-induced acoustic energy produced in wellbores are provided. With the use of the multi-component geophones, the measured acoustic energy may be resolved into its directional components. The computed directional energy components may be mathematically compared to numerically... Weatherford Technology Holdings Llc

05/25/17 / #20170146006

Operational control of wellsite pumping unit with continuous position sensing

A well pumping system can include an actuator that reciprocably displaces a rod string, a continuous position sensor that continuously detects a position of a member of the actuator, and a control system that modifies reciprocal displacement of the rod string by the actuator, in response to an output of... Weatherford Technology Holdings Llc

05/25/17 / #20170146007

Operational control of wellsite pumping unit with displacement determination

A well pumping system can include an actuator that reciprocably displaces a rod string, a flowmeter that measures flow of a fluid between a power source and the actuator, and a control system that modifies reciprocal displacement of the rod string by the actuator, in response to an output of... Weatherford Technology Holdings Llc

05/18/17 / #20170139063

Gain stabilization of radiation detectors via spectrum analysis

Prior to actual use in a downhole application, gamma spectrum shape for a gamma detector can be quantified, and a relationship established between detector gain and spectrum shape. Given this relationship, the shape of a gamma spectrum measured after downhole deployment of the detector within a wellbore, for example as... Weatherford Technology Holdings Llc

05/11/17 / #20170130566

Inflow control device having externally configurable flow ports and erosion resistant baffles

A flow control apparatus for a borehole comprises a basepipe, a screen, a sleeve, and at least one baffle. The basepipe has a bore for conveying fluid and defines at least one opening for communicating fluid into the bore. The screen is disposed on the basepipe and screens fluid from... Weatherford Technology Holdings Llc

05/11/17 / #20170131421

Predicting stress-induced anisotropy effect on acoustic tool response

Predicting downhole acoustic tool responses due to stress-induced anisotropy by performing at least the following: receiving a plurality of input data corresponding to at least one well site comprising a wellbore; constructing a three-dimensional geomechanical model based at least in part on the input data; creating at least one near... Weatherford Technology Holdings Llc

05/04/17 / #20170122077

Systems and methods for evaluating and optimizing stimulation efficiency using diverters

The disclosure pertains to the determining the efficiency of stimulation operations in a hydrocarbon well. Stimulation is performed in a hydrocarbon well and various data is obtained therefrom. The data is used to develop a simulation of fluid flow in the well and the simulation is used to model a... Weatherford Technology Holdings Llc

05/04/17 / #20170122923

System and fluid composition characterization

Systems and methods for predicting fluid composition in a reservoir formation are disclosed. To accurately and efficiently predict the composition of a sample fluid, an absorption spectrum is obtained over a prefixed set of wavelength channels and a set of basis spectra is received for all constituents of interest in... Weatherford Technology Holdings Llc

05/04/17 / #20170124228

Systems and methods for intelligent diversion design and application

The disclosure pertains to the design and implementation of a diversion procedure for geologic openings. Embodiments involve performing a screening analysis to determine if a well or formation is appropriate for stimulation. If a well is appropriate, a modeling analysis is performed to determine candidate parameters for a diversion procedure.... Weatherford Technology Holdings Llc

Patent Packs
04/27/17 / #20170114606

Radial seal pressure reduction using internal pump

A pressure control device for sealing about a tubular at a wellsite can include a rotatable member, at least two radial seals that sealingly contact the rotatable member, at least two fluid chambers, one chamber being exposed to the rotatable member between the radial seals, and a pump that pumps... Weatherford Technology Holdings Llc

04/20/17 / #20170107762

Pulsating rotary steerable system

A drilling assembly disposed on a drillstring can deviate a borehole advanced by a drill bit. A housing coupled between the drillstring and the bit transfers rotation of the drillstring to the bit. A mandrel in the housing's axial bore has a least one inclined surface on at least one... Weatherford Technology Holdings Llc

04/13/17 / #20170101837

Riser with internal rotating flow control device

A riser pipe system for releasably securing a rotating flow control device internally within a riser string for use in offshore drilling can include a riser pipe section, a removable latch assembly for releasably securing the RFCD, and optionally, a removable seal assembly for sealing against the RFCD. The latch... Weatherford Technology Holdings Llc

04/13/17 / #20170101843

Retrievable plugging tool for tubing

A retrievable locking ball landing tool of the present disclosure allows for fluid circulation while running in the well. Once a plug (e.g., ball) is pumped downhole, the tool allows pressure isolation to activate hydraulic component(s) of a liner string or the like. Being retrievable, the tool eliminates the need... Weatherford Technology Holdings Llc

04/13/17 / #20170101844

Telemetry operated ball release system

In one embodiment, a ball release system for use in a wellbore includes a tubular housing, a seat disposed in the housing and comprising arcuate segments arranged to form a ring, each segment radially movable between a catch position for receiving a ball and a release position, a cam disposed... Weatherford Technology Holdings Llc

03/30/17 / #20170089157

Bidirectional downhole isolation valve

An isolation valve for use in a wellbore includes: a housing; a piston longitudinally movable relative to the housing; a flapper carried by the piston for operation between an open position and a closed position, the flapper operable to isolate an upper portion of a bore of the valve from... Weatherford Technology Holdings Llc

03/30/17 / #20170089174

Setting tool with pressure shock absorber

A setting tool includes a housing, a mandrel disposed in a bore of the housing, a sleeve disposed between the mandrel and the housing, the sleeve movable from a first position to a second position, a biasing member for biasing the sleeve towards the second position, a first fluid flow... Weatherford Technology Holdings Llc

03/30/17 / #20170089177

Controller for downhole tool

A controller for operating a downhole tool includes a tubular body; a seat disposed in the body for receiving first and second pump-down plugs, at least a portion of one of the seat and the plugs being radially displaceable to pass through or allow passage of the other at a... Weatherford Technology Holdings Llc

03/30/17 / #20170089183

Sand control screen

The present disclosure relates to apparatus and methods for isolating a tool, such as a sand control screen, from axial and/or torsional loads applied to a tubular string. A sand screen assembly includes a sand control screen, a fixed-end coupling, and a free-end coupling. A first end of the sand... Weatherford Technology Holdings Llc

03/23/17 / #20170081937

Downhole seal

A seal having a cylindrical body; a plurality of exterior sealing elements disposed on an exterior surface of the body; and a plurality of interior sealing elements disposed on an interior surface of the body, wherein the exterior sealing elements are offset from the interior sealing elements along the body.... Weatherford Technology Holdings Llc

03/16/17 / #20170074075

Modular connection system for top drive

The present disclosure generally relates to a modular connection system for a top drive. The modular connection system may include two tubular components, each having a bore, a seal profile, and two or more load transfer features. The first tubular component may be inserted to the second tubular component to... Weatherford Technology Holdings Llc

03/16/17 / #20170074089

Sensing cavitation-related events in artificial lift systems

Methods and apparatus are provided for sensing a cavitation-related event in an artificial lift system for hydrocarbon production and operating the system based on the sensed event. One example method of operating an artificial lift system for a wellbore generally includes monitoring the wellbore for an indication (e.g., an acoustic... Weatherford Technology Holdings Llc

03/09/17 / #20170067303

Genset for top drive unit

A system includes an accessory tool selected from a group consisting of a casing unit, a cementing unit, and a drilling unit; and a genset mounted to the accessory tool and comprising: a fluid driven motor having an inlet and an outlet for connection to a control swivel of the... Weatherford Technology Holdings Llc

03/09/17 / #20170067304

Telemetry operated cementing plug release system

A plug release system for cementing a tubular string into a wellbore includes: a wiper plug; a tubular housing; a latch for releasably connecting the wiper plug to the housing. The latch includes: a fastener engageable with one of the wiper plug and the housing; a lock movable between a... Weatherford Technology Holdings Llc

03/09/17 / #20170067320

Combined multi-coupler for top drive

The present disclosure generally relates to a combined multi-coupler for a top drive. In one embodiment, a combined multi-coupler including a first tubular member having a first axial load profile, a first torque profile, and a first junction member, and a second tubular member having a second axial load profile,... Weatherford Technology Holdings Llc

Patent Packs
02/23/17 / #20170051561

Subsea casing drilling system

A casing drilling system includes a casing having a bore therethrough; a drilling member coupled to the casing; a retrievable motor releasably coupled to the casing and includes a power section configured to rotate the drilling member relative to the casing; and a cementing tube in selectively fluid communication with... Weatherford Technology Holdings Llc

02/23/17 / #20170051568

Top drive torque measurement device

A top drive system for use with a tool for handling tubulars on a drilling rig includes a motor unit; a coupling unit that transfers torque to the tool; a torque measurement device (TMD) coupled to at least one of the motor unit, the tool, or the coupling unit, wherein... Weatherford Technology Holdings Llc

02/16/17 / #20170044850

Apparatus for gripping a tubular on a drilling rig

An apparatus for gripping a tubular for use with a top drive includes a connector at one end for rotationally fixing the apparatus relative to the top drive; one or more gripping members at a second end for gripping the tubular; an actuator configured to move and hold the gripping... Weatherford Technology Holdings Llc

02/16/17 / #20170044854

Tool detection and alignment for tool installation

A modular top drive system for construction of a wellbore includes an alignment assembly configured to align a tool with a top drive unit to facilitate automatic tool installation during rig up.... Weatherford Technology Holdings Llc

02/16/17 / #20170044875

Tool identification

A modular top drive system for construction of a wellbore includes an identification reader for automatically identifying tools during operation for rig up and tool exchange. The identification reader may be disposed in one of a tool storage unit, a tool change unit or a top drive unit. Drilling tools,... Weatherford Technology Holdings Llc

02/16/17 / #20170044896

Real-time calculation of maximum safe rate of penetration while drilling

Drilling a borehole involves a drilling system that uses drilling mud to transport cuttings of a formation to surface. During the operation, current parameters are obtained of the drilling operation conducted with the drilling system. The current parameters at least include a cuttings parameter related to the cuttings produced in... Weatherford Technology Holdings Llc

02/09/17 / #20170037683

Method of using a top drive system

In one embodiment, a top drive system includes a quill; a motor operable to rotate the quill; a gripper operable to engage a joint of casing; a connector bi-directionally rotationally coupled to the quill and the gripper and longitudinally coupled to the gripper; and a compensator longitudinally coupled to the... Weatherford Technology Holdings Llc

02/09/17 / #20170037713

Slant mounted hydraulic pumping system

A hydraulic pumping method for use with a subterranean well can include mounting a hydraulic actuator above a wellhead, the hydraulic actuator and the wellhead being axially aligned with each other and inclined relative to vertical The hydraulic actuator can be unsupported by any substructure or guy wires after the... Weatherford Technology Holdings Llc

02/09/17 / #20170037714

Hydraulic pumping system with piston displacement sensing and control

A hydraulic pumping system can include a hydraulic actuator with a magnet that displaces with a piston, and a sensor that continuously detects a position of the magnet. A ferromagnetic wall of the hydraulic actuator is positioned between the magnet and the sensor. A hydraulic pumping method can include incrementally... Weatherford Technology Holdings Llc

02/09/17 / #20170037715

Hydraulic pumping system with detection of fluid in gas volume

A pumping method can include displacing a rod string with pressure applied to an actuator by a pressure source including an accumulator and a separate gas volume in communication with the accumulator. A sensor indicates whether a fluid is in the gas volume. A pumping system can include an actuator,... Weatherford Technology Holdings Llc

02/09/17 / #20170037841

Hydraulic pumping system with enhanced piston rod sealing

A hydraulic pumping system can include an actuator including a piston rod that displaces in response to pressure in the actuator, a seal assembly that seals about the piston rod and is exposed to the pressure in the actuator, and another seal assembly that seals about the piston rod, is... Weatherford Technology Holdings Llc

02/09/17 / #20170037848

Hydraulic pumping system with enhanced piston rod sealing

A system can include an actuator with a piston rod that displaces in response to pressure in the actuator, a seal assembly that seals about the piston rod and includes seal cartridges, each including a dynamic seal sealingly engaging the rod, and each including a static seal sealingly engaging a... Weatherford Technology Holdings Llc

02/02/17 / #20170030340

Valve for a downhole pump

A valve assembly includes a valve body having a first port and a second port, the first port forms a fluid pathway from a first surface of the valve body to a second surface of the valve body, and the second port forms a fluid pathway from the second surface... Weatherford Technology Holdings Llc

01/26/17 / #20170022789

Leak-off assembly for gravel pack system

Assemblies and methods pack a borehole annulus with gravel carried by a carrier fluid of a slurry. A manifold is disposed on tubing (e.g., basepipe). A number of first permeable structures in fluid communication with the manifold are disposed adjacent an impermeable (blank) section of the tubing. These first structures... Weatherford Technology Holdings Llc

01/19/17 / #20170016285

Compensating bails

A pipe handler for assembling and deploying a string of threaded tubulars into a wellbore includes a pair of compensating bails and an elevator pivotally connected to the compensating bails. Each compensating bail includes: a first bail segment; a second bail segment; and a compensator connecting the respective first and... Weatherford Technology Holdings Llc

01/19/17 / #20170016313

Diagnostics of downhole dynamometer data for control and troubleshooting of reciprocating rod lift systems

Techniques and apparatus are provided for improved diagnostics of downhole dynamometer data for control and troubleshooting of reciprocating rod lift systems. A method for pump fillage determination for a reciprocating rod lift system is provided. The method generally includes measuring downhole data during a pump cycle, wherein the downhole data... Weatherford Technology Holdings Llc

01/12/17 / #20170009536

Centralizer with integrated stop collar

A method and apparatus for centering a casing section in a wellbore. A centralizer includes a plurality of centralizer bow springs arranged between and around circumferences of end bands. The end bands are arranged over stop collars such that the end bands can rotate about and slide along the stop... Weatherford Technology Holdings Llc

01/12/17 / #20170009553

Consumable downhole packer or plug

A packer or plug for use in a wellbore includes: a tubular mandrel made from a composite material including a pyrotechnic composition; an expandable seal disposed on an outer surface of the mandrel; and an igniter operable to initiate combustion of the mandrel.... Weatherford Technology Holdings Llc

01/05/17 / #20170003411

Method of and inverting three-dimensional fluid property distribution over the (t1,t2,d)domain from nmr measurements

A method is disclosed of inverting three dimensional fluid property distribution. The method includes comparing a detected NMR signal with a plurality of modeled signal values derived from precomputed values of NMR signal contribution values at prechosen (T1, T2, D) value tuples; identifying one or more modeled signals satisfying domain... Weatherford Technology Holdings Llc








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