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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  Installation and retrieval of pressure control device releasable assembly

A pressure control device can include a releasable assembly and a latch including a piston having set and unset positions, and the releasable assembly including a release dog extendable into engagement with the latch. The piston can displace with the extended dog to the unset position. ... Weatherford Technology Holdings Llc

 new patent  Installation and retrieval of pressure control device releasable assembly

A well system can include a pressure control device including a releasable assembly, and a running tool including a lock mechanism operable in response to a change in a fluid flow rate through the running tool. A method of retrieving a releasable assembly of a pressure control device can include engaging a running tool with a latch, applying a force from the running tool to deactivate the latch, and changing a fluid flow rate through the running tool. ... Weatherford Technology Holdings Llc

 new patent  Managed pressure control system with variable built-in accuracy

A drilling choke is controlled in a controlled pressure system. Pressure is monitored in the controlled pressure system, and position of the drilling choke is monitored. ... 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 an open configuration in which fluid communication is permitted between an exterior and an interior of the rotating control device through the equalization valve, the latch assembly changing from a latched to an unlatched configuration only when the equalization valve is in the open configuration. ... Weatherford Technology Holdings Llc

Radio frequency identification tag delivery system

A system for operating a downhole tool includes a tag carrier; a rfid tag coupled with the tag carrier; and a control sub having a bore extending therethrough, the control sub comprising: an antenna located adjacent to the bore; and a stop for catching the tag carrier, wherein: the radio frequency identification tag is coupled with the tag carrier in relation to the stop and the antenna such that the radio frequency identification tag is aligned with the antenna when the tag carrier is caught in the stop, and the stop is operable to allow passage of the tag carrier through the stop after the tag carrier is caught by the stop.. . ... Weatherford Technology Holdings Llc

Low profile stop collar

A stop collar for a tubular includes an inner ring configured to engage the tubular and having a waveform profile. The waveform profile includes a peak and a base. ... Weatherford Technology Holdings Llc

Chemical injection valve with enhanced sealing capability

A chemical injection valve can include a valve stem reciprocably disposed relative to a primary seal, and a variable flow restrictor upstream of the primary seal relative to a direction of flow through the chemical injection valve. The variable flow restrictor restricts the flow when the valve stem is disengaged from the primary seal. ... Weatherford Technology Holdings Llc

Chemical injection valve with stem bypass flow

A chemical injection valve can include a valve stem, flow between sections of a flow passage being prevented and permitted in respective closed and open positions of the valve stem, a resilient primary seal that prevents flow through an annular gap surrounding the valve stem in the closed position, and a bypass passage in communication with the annular gap and a flow passage section, and in communication with another flow passage section in the open position. A chemical injection system can include a chemical treatment pumped through a chemical injection valve and into an interior of a tubular string, and the chemical injection valve including a valve stem and a bypass passage extending between a flow passage section and an annulus surrounding the valve stem, the annulus being positioned longitudinally between a resilient primary seal and a metal secondary seal.. ... Weatherford Technology Holdings Llc

Movable tong assembly

A tong assembly includes a power tong, a backup tong, and a carriage assembly operatively connecting the power tong and the backup tong. The carriage assembly includes a movable trolley assembly. ... Weatherford Technology Holdings Llc

Multi-function dart

Methods and apparatus are provided for cementing a liner. In one embodiment, the method includes releasing a dart behind a cement; landing the dart in an activation seat; increasing pressure to activate a liner hanger; further increasing pressure to release the dart from the activation seat; landing the dart in a plug; and increasing pressure to release the dart and the plug. ... Weatherford Technology Holdings Llc

Drilling stripping element

A stripping element for rotary flow control diverters used in the oil and gas industry can include a stiffening member formed of a first harder material than a deformable member formed of a second softer material over-molded to the stiffening member. The stiffening member can include apertures that provide for the second softer material of the deformable member to be displaced through the apertures when a pipe of a drill is displaced through the stripping element. ... Weatherford Technology Holdings Llc

Low marking inserts for casing/tubing tongs

Embodiments of the present disclosure generally relate to an insert in a clamping device or gripping apparatus. The insert may include a gripping element having an elongated body and a plurality of contact features, a first member formed from a hard material, wherein the first member contacts the gripping element in one or more locations, and a second member formed from an elastic material, wherein the second member contacts the gripping element along the elongated body.. ... Weatherford Technology Holdings Llc

Apparatus and methods for counterbalancing a pumping unit

Embodiments of the present disclosure generally relate to apparatus and methods for counterbalancing a pumping unit. One embodiment of the present disclosure provides a method for operation a pumping unit. ... Weatherford Technology Holdings Llc

Pumping unit bases with driven piles

Embodiments of the present disclosure generally relate to a pumping unit base and methods for operating with the pumping unit base. The pumping unit base may include a plurality of driven piles installed in the ground, and a metal platform fixedly attached to the plurality of driven piles, wherein the metal platform is positioned above the ground. ... Weatherford Technology Holdings Llc

05/03/18 / #20180120259

Defect penetration estimate using magnetic flux image enhancement

An improved process for evaluating a defect in wellbore casing using a magnetic flux leakage tool is disclosed. According to the disclosed technique, signals recorded using a magnetic flux leakage tool are arranged into a matrix that defines a magnetic flux leakage image, and a defect in the evaluated wellbore casing is identified in the image. ... Weatherford Technology Holdings Llc

05/03/18 / #20180120183

Automated load cell identification

Aspects of the present relate to automated load cell identification. A method is provided. ... Weatherford Technology Holdings Llc

04/12/18 / #20180100386

Control system for downhole operations

A method of controlling a downhole operation includes: deploying a work string into a wellbore, the work string comprising a deployment string and a bottomhole assembly (bha); digitally marking a depth of the bha; and using the digital mark to perform the downhole operation.. . ... Weatherford Technology Holdings Llc

04/12/18 / #20180100382

Jet pump lift system for producing hydrocarbon fluids

A jet pump lift system for use with a tubing disposed in a casing includes a jet pump installed in the tubing; a one way valve for communicating a power fluid into the jet pump; and a safety valve configured to block fluid communication through the tubing and disposed above the jet pump.. . ... Weatherford Technology Holdings Llc

04/12/18 / #20180100381

Retrieval of multi-component plunger in well plunger lift system

A plunger lift method can include introducing a plunger sleeve and a plunger closure into a well, engaging the sleeve with the closure, securing the sleeve and closure to each other in a flow passage of the well, and then retrieving the sleeve and closure from the well. A plunger lift system can include a plunger sleeve configured for reciprocal displacement in a flow passage of the well, a plunger closure configured to block flow through a flow path of the sleeve and being displaceable in the flow passage separate from the sleeve. ... Weatherford Technology Holdings Llc

04/05/18 / #20180094516

Control for rotary steerable system

Angular position readings are obtained during rotation of an apparatus in a borehole, and angular rate readings are obtained over time of the rotation. The angular rate readings are adjusted based at least on the angular position readings. ... Weatherford Technology Holdings Llc

04/05/18 / #20180094501

Tension-set tieback packer

An apparatus for supporting tubing in casing includes a setting tool and a liner top packer, which can be used for tieback. A setting slip is disposed uphole of a packing assembly on the packer and is movable from a retracted to an extended state engaging the casing. ... Weatherford Technology Holdings Llc

04/05/18 / #20180094494

Gripper assembly for continuous rod

The present disclosure relates to a gripper assembly for handling continuous rod. The gripper assembly may include a gripper face with a gripper profile forming a surface in the gripper face and a texture on a portion of the surface. ... Weatherford Technology Holdings Llc

04/05/18 / #20180094490

Rotary steerable system having multiple independent actuators

A fully rotating bias unit for directional drilling rotates at bit speed while providing proportional control of directional response and steering force. The unit also provides added reliability by having increased redundancy (multiple independently controlled actuators). ... Weatherford Technology Holdings Llc

03/29/18 / #20180089657

Serialization and database methods for tubulars and oilfield equipment

Methods and apparatus identify downhole equipment and correlate input data with the equipment to improve planning and/or inventory operations. For some embodiments, oilfield equipment or tubular goods such as drill pipe include a shaped recess along an outer circumference for receiving a tag cartridge by shrink fitting. ... Weatherford Technology Holdings Llc

03/29/18 / #20180087347

Packer setting during high flow rate

A packer is used for setting downhole in tubing subject to downhole flow at a high flow rate. The packer includes a setting element, a slip element, and a packing element. ... Weatherford Technology Holdings Llc

03/29/18 / #20180087346

Downhole packer element with propped element spacer

A device and method control the radial expansion of a compressible sealing element on a downhole tool. The tool is deployed adjacent a surrounding surface downhole. ... Weatherford Technology Holdings Llc

03/15/18 / #20180071753

Centrifuge having onboard imaging system

A centrifuge (1) includes: a motor (4) having a rotor (3); an imaging system (2) torsionally connected to the rotor; a sample holder torsionally connected to the imaging system; and a light source for illuminating the sample holder. The imaging system (2) includes: a image sensor in optical communication with the sample holder; and a data link for transmitting image data. ... Weatherford Technology Holdings Llc

03/01/18 / #20180058169

Pressure control device, and installation and retrieval of components thereof

Conveying a releasable assembly between latched and unlatched configurations with an outer housing can include connecting the releasable assembly to a running tool, so the assembly can be conveyed with the running tool, and disconnecting the assembly from the running tool. At least one of the connecting and disconnecting steps can include actuating an iris mechanism. ... Weatherford Technology Holdings Llc

02/22/18 / #20180051537

Bidirectional downhole isolation valve

An isolation valve for use in a wellbore includes: a tubular housing; an upper flapper disposed in the housing and pivotable relative thereto between an open position and a closed position; an upper piston operable to open or close the upper flapper; a lower flapper disposed in the housing and pivotable relative thereto between an open position and a closed position; a lower piston operable to open the lower flapper; an opener passage in fluid communication with the pistons and an opener hydraulic coupling; and a closer passage in fluid communication with the pistons and a closer hydraulic coupling.. . ... Weatherford Technology Holdings Llc

02/22/18 / #20180051526

Slip monitor and control

An apparatus for slip monitor and control includes a body; a plurality of slips; a transmitter for each slip; at least one receiver coupled to the body; and an actuator for each slip configured to move the respective slip vertically relative to the body. A method for slip monitor and control includes obtaining slip positional information for a plurality of slips; determining whether the slip positional information for each of the slips matches criteria; and sending one or more control signals to one or more actuators, each actuator configured to move one of the slips vertically relative to a body. ... Weatherford Technology Holdings Llc

02/15/18 / #20180045018

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 first release plug or tag along the workstring; after pumping the cement slurry, launching a second release plug or tag into the workstring; and pumping chaser fluid into the workstring, thereby driving the release plugs or tags and cement slurry through the workstring. ... Weatherford Technology Holdings Llc

02/08/18 / #20180038194

Method and apparatus for 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

02/01/18 / #20180030799

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 head, the annular seal including an inner liner having openings formed through a sidewall of the inner liner, and flowing a lubricant into an opening while the inner liner sealingly engages a tubular. ... Weatherford Technology Holdings Llc

01/25/18 / #20180023387

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 the deployment string; plugging a bore of the deployment assembly; hanging the inner tubular string from the outer tubular string by pressurizing the plugged bore; and after hanging the inner tubular string, sending a command signal to the running tool, thereby unlocking or releasing the running tool.. . ... Weatherford Technology Holdings Llc

01/18/18 / #20180016889

Apparatus and method of 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 first location.. . ... Weatherford Technology Holdings Llc

01/18/18 / #20180016862

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 outward in response to a compressive load applied to opposite ends of the packer, and a lock that prevents relative longitudinal displacement between sections of the packer, the lock including a radially displaceable piston. ... Weatherford Technology Holdings Llc

01/11/18 / #20180010991

Methods and apparatus for 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 inner wall having an insulating material disposed thereon. ... Weatherford Technology Holdings Llc

12/21/17 / #20170362915

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 isolated from the bypass port and a second position where the mandrel port is aligned with the bypass port; and an actuator operable to move the mandrel between the first position and the second position. The actuator includes a first piston connected to the mandrel and a second piston operable in response to the first piston.. ... Weatherford Technology Holdings Llc

12/07/17 / #20170350211

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. ... Weatherford Technology Holdings Llc

11/30/17 / #20170342817

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. ... Weatherford Technology Holdings Llc

11/30/17 / #20170342783

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. ... Weatherford Technology Holdings Llc

11/16/17 / #20170328151

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. ... Weatherford Technology Holdings Llc

11/16/17 / #20170328145

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 an open configuration in which fluid communication is permitted between an exterior and an interior of the rotating control device through the equalization valve, the latch assembly changing from a latched to an unlatched configuration only when the equalization valve is in the open configuration. ... Weatherford Technology Holdings Llc

11/09/17 / #20170321530

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; and stopping injection of natural gas.. . ... Weatherford Technology Holdings Llc

11/09/17 / #20170321508

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

10/12/17 / #20170293040

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 part of a tool in a drill string, can be quantified and compared to the pre-established relationship to determine whether the detector gain has drifted due to temperature or operating time effects. ... Weatherford Technology Holdings Llc

10/05/17 / #20170284835

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 provided. ... Weatherford Technology Holdings Llc

10/05/17 / #20170284170

Riser annular isolation device

In one embodiment, an annular isolation device for a riser includes a tubular body connectable to the riser. A closure member is rotatable between a closed position isolating fluid communication in the tubular body and an open position permitting fluid communication through the tubular body. ... Weatherford Technology Holdings Llc

10/05/17 / #20170283958

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 coating line to move a continuous sucker rod along the coating line from the first drive station to the second drive station, a heater disposed along the coating line, and a first coating station disposed along the coating line.. ... Weatherford Technology Holdings Llc

09/21/17 / #20170270227

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 level and the determination of whether or not sampling is appropriate at the current point in time based on the predicted compositional properties of the formation fluid.. ... Weatherford Technology Holdings Llc

09/21/17 / #20170268333

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. ... Weatherford Technology Holdings Llc

09/14/17 / #20170260836

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 flux propagated from the magnet device. The actuator can include a cylinder, and the sensor can include an outer tube, with materials of the cylinder and outer tube having substantially a same magnetic permeability. ... Weatherford Technology Holdings Llc

09/07/17 / #20170254195

Method and apparatus for 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 transmission mechanism; the second timing operation being associated with a second downhole sensor capable of at least receiving a signal sent via a second transmission mechanism; a data storage device capable of storing data received from the first and second downhole sensors; and the downhole processing device being adapted to be triggered by the first and second timing operations to check the data storage device, at least once during the respective first and second timing operations, for data received from the first and/or second downhole sensors and the downhole processing device being adapted to act upon that data to control the downhole tool if instructed to do so.. . ... Weatherford Technology Holdings Llc

08/31/17 / #20170248729

Method and apparatus for 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 standoff locations, and, using an inversion technique to determine at least one of the following borehole properties: mudcake thickness, mudcake resistivity, diameter of invasion, flushed zone resistivity and true formation resistivity.. . ... Weatherford Technology Holdings Llc

08/24/17 / #20170241257

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 communication with an environment external to the housing, and a pressure sensor assembly at least partially disposed in the chamber and configured to sense a pressure of a fluid in the chamber. ... Weatherford Technology Holdings Llc

08/24/17 / #20170241238

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. ... Weatherford Technology Holdings Llc

08/24/17 / #20170241235

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 configuration from a closed configuration. A method can include flowing a fluid through a passage of a service string and into an annulus about a screen, the fluid entering the screen and flowing to another annulus via another passage of the service string, then installing a plug in the first passage, thereby preventing flow through the first passage to the annulus about the screen, and creating at least one pressure differential across the plug, thereby preventing flow from an interior of the screen to the other annulus and permitting flow from the first passage to the screen interior.. ... Weatherford Technology Holdings Llc

08/10/17 / #20170226846

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. ... Weatherford Technology Holdings Llc

08/10/17 / #20170226829

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. ... Weatherford Technology Holdings Llc

08/10/17 / #20170226813

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. ... Weatherford Technology Holdings Llc

08/03/17 / #20170219141

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 in an outer surface, and a load transfer assembly comprising two or more segments. ... Weatherford Technology Holdings Llc

08/03/17 / #20170218724

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 that the mandrel displaces with the engagement device, and a biasing device that biases the mandrel and engagement device in a selected longitudinal direction. A system can include a tubular string and a valve assembly reciprocably disposed in the tubular string, the valve assembly including a valve that selectively restricts flow through a longitudinal passage. ... Weatherford Technology Holdings Llc

08/03/17 / #20170218723

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 to an open configuration in response to displacement of the valve assembly through another internal profile. ... Weatherford Technology Holdings Llc

08/03/17 / #20170218712

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. ... 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, and defines a perimeter, wherein the disc is composed of a composite material having a facesheet and a core material adhered to the facesheet.. . ... 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 / #20170211327

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 the top drive to the tool unit, a local power supply on the tool unit, and/or combinations thereof. ... 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. ... 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 second end connectable to a rod string; a prime mover for reciprocating the counterweight assembly along the tower; a sensor for detecting a condition of the pumping unit; a brake system for halting free-fall of the counterweight assembly; and a controller in communication with the at least one of the sensors and operable to activate the brake system in response to detection of the faulty condition of the pumping unit.. . ... 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 including at least three flow passages, one port providing communication between one passage and the manifold exterior, and another port providing communication between another passage and the manifold exterior, and in one position of the service string, the one passage is in communication with a well annulus via another port providing communication with the manifold exterior, and the one passage is in communication with another well annulus via the one port, the annuli being isolated from each other by a packer, and the other port is in a seal bore and disposed longitudinally between the other ports.. ... 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. ... 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 the motor and casing; a cement diverter; and a casing bit.. ... 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. ... 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. ... 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. ... 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. ... 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. ... 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 the helical profile. ... 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 barrel. ... 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. ... 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 the wellbore's trajectory, parameterizing various deviated segments (build-ups, slants, drop-offs, etc.) in the trajectory, mapping the rod string to the segments, and incrementally evaluating position of the mapped string over time in order to compute drag forces and side loads experienced by the rod string during operation. ... 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. ... 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 part of a tool in a drill string, can be quantified and compared to the pre-established relationship to determine whether the detector gain has drifted due to temperature or operating time effects. ... 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 field versus far field stress distribution that corresponds to the wellbore from the three-dimensional geomechanical model; creating, at least one near wellbore versus far-field velocity distribution using the at least one near field versus far field stress distribution; comparing the downhole acoustic tool response property that indicates a downhole acoustic tool's penetration depth for a subsurface geological formation with the near-wellbore velocity fields; and flagging, where the downhole acoustic tool response property stays within the near-wellbore velocity field.. . ... 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. ... 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. ... Weatherford Technology Holdings Llc

05/04/17 / #20170122923

System and method for 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 the sample fluid. ... 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. ... Weatherford Technology Holdings Llc

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 fluid between the chambers in response to rotation of the rotatable member. A method of operating a pressure control device at a wellsite can include providing at least two chambers in a bearing assembly of the pressure control device, and regulating pressures in the chambers via a valve system in communication with both of the chambers.. ... 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. ... 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 in the housing, longitudinally movable relative thereto, and operable to move the seat segments between the positions, an actuator operable to move the cam, and an electronics package disposed in the housing and in communication with the actuator for operating the actuator in response to receiving a command signal.. . ... 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. ... 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 and seal assemblies are disposed within the riser pipe section and axially restrained by at least one removable retaining member. ... 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. ... 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 first threshold pressure differential; a catcher located below the seat for receiving the plugs after passing through the seat; a toggle linked to the seat to alternate between a locked position and an unlocked position in response to seating of the plugs; and a control mandrel for engaging a piston of the downhole tool and linked to the toggle: to be longitudinally movable between a first position and a second position when the toggle is unlocked, and to be prevented from movement from the first position to the second position when the toggle is locked.. . ... 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 path through a bore of the mandrel, and a second flow path in an annulus formed between the mandrel and the housing, wherein the sleeve blocks fluid flow through the second flow path when the sleeve is in the second position.. . ... 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 a lower portion of the bore in the closed position; an opener connected to the housing for opening the flapper; and an abutment configured to receive the flapper in the closed position, thereby retaining the flapper in the closed position.. . ... 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 / #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 or vibrational indication) of an event associated with cavitation in the artificial lift system and adjusting at least one parameter of the artificial lift system if the event is detected. ... 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. ... 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, a second torque profile, and a second junction member. ... 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 locked position and an unlocked position, the lock keeping the fastener engaged in the locked position; and an actuator connected to the lock and operable to at least move the lock from the locked position to the unlocked position. ... 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 system; an electric generator connected to the fluid driven motor; a manifold having an inlet for connection to the control swivel and an outlet connected an accessory tool actuator; and a control unit in communication with the electric generator and the manifold and comprising a wireless data link.. . ... 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 the tmd includes a sensing member coupled to an evaluation unit, wherein the sensing member is configured to measure a magnetostrictive effect and the evaluation unit is configured to calculate a magnitude of the torque reaction force based on the magnetostrictive effect.. . ... Weatherford Technology Holdings Llc

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 the bore of the casing for diverting cement from the power section of the drilling motor.. . ... 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. ... 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. ... 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 / #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 members in contact with the tubular; and a lock coupled to the connector for preventing the apparatus and the top drive from rotating independently of one another.. . ... 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 seal assembly housing, and a port providing communication between a housing exterior and a housing interior between adjacent static seals. A method can include preventing leakage from a well with a seal assembly about a piston rod of a hydraulic actuator, the seal assembly including seal cartridges, each including a dynamic seal that sealingly engages the rod, and each including a static seal that sealingly engages a seal assembly housing, enabling communication through a housing sidewall to a housing interior between adjacent static seals, and reciprocably displacing the rod in response to pressure variations in the actuator.. ... 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. ... 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 quill and the connector. The compensator is operable to allow relative longitudinal movement between the connector and the quill.. ... 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 of the valve body to a third surface of the valve body; a first plate having a first blocking member, the first blocking member configured to block the first port at the first surface of the valve body when the first plate is in a first closed position; and a second plate having a second blocking member, the second blocking member configured to block the second port at the second surface of the valve body when the second plate is in a second closed position.. . ... 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). ... 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. ... 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 second bail segments. ... 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

01/12/17 / #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. ... Weatherford Technology Holdings Llc

01/05/17 / #20170003411

Method of and apparatus for 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 constraints and in respect of which an objective function involving a respective detected nmr signal and a modeled signal is optimised; selecting one or more of the solutions resulting in optimised objective; and using each selected optimized solution to characterize the one or more properties of fluid in the formation. ... Weatherford Technology Holdings Llc








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