Means Traveling With Tool To Constrain Tool To Bore Along Curved Path Patents (Class 175/73)
  • Patent number: 11306539
    Abstract: An executing mechanism for a rotary guide device includes a driving valve core, a driven valve core, a first cavity, a second cavity and a high-pressure slurry driving channel. The first cavity includes a first low-pressure port communicating with a low-pressure slurry; and a first high-pressure port communicating with a high-pressure slurry. The driving valve core adjusts a pressure in the first cavity; and the driven valve core moves in response to a pressure difference between the first cavity and the second cavity. The high-pressure slurry driving channel switches between an open state and a close state in response to movement of the driven valve core. A rotary guide device includes a rotary main shaft, a drill bit, a push mechanism, and the executing mechanism. The push mechanism includes a push block and a push plunger piston, the high-pressure slurry driving channel communicates with one end, distal from the push block, of the push plunger piston.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: April 19, 2022
    Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES
    Inventors: Qingbo Liu, Qingyun Di, Yongyou Yang, Xiangyang Wang, Qijun Xie
  • Patent number: 11299977
    Abstract: A drill collar having at least one pocket for receiving at least one component. The at least one pocket includes a rectangular portion that extends from a first end to a second end. The rectangular portion also includes a base surface. Each of the first and the second ends includes a transition surface extending from the base surface to a pair of shoulder surfaces and a channel. The pair of shoulder surfaces and a surface of the channel are parallel to the base surface. The channel extends to an end pocket that can be in communication with an aperture.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: April 12, 2022
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Brian David Breaux, Michael Dewayne Finke
  • Patent number: 11162303
    Abstract: A rotary steering tool includes a steering member configured to move between a retracted configuration and an extended configuration. The rotary steering tool also includes a pump configured to pump a fluid, a power source independent of the downhole motor, the power source configured to power the pump, and a piston in fluid communication with the pump. The piston is configured to apply a force to the steering member to move the steering member from the retracted configuration to the extended configuration when the pump pumps the fluid at an operating system pressure. The rotary steering tool includes a controller to operate the pump at a range of operating system pressures, and a variable pressure control valve. The variable pressure control valve adjusts the operating system pressure between the range of operating system pressures to adjust the force applied to the steering member.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: November 2, 2021
    Assignee: APS Technology, Inc.
    Inventors: Carl A. Perry, William E. Breuer, Jr., Serhiy Korostensky
  • Patent number: 11045693
    Abstract: A golf club head with a high spring rate face assembly, particularly one designed for driver-type heads, including a body with a ball striking face and rearwardly extending depending sole and crown walls and a hosel, with a high spring rate annular spring seated against the rear surface of the face with a short spring height, where the spring has a high face force to deflection ratio, and is preloaded against the face.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: June 29, 2021
    Assignee: Vardon, Inc.
    Inventor: Dillis V. Allen
  • Patent number: 11015393
    Abstract: The present disclosure includes systems and methods for steering a rotary drilling tool used in subterranean drilling operations. The methods of the present disclosure may be suitable for steering a drilling tool comprising rotating a drill string coupled to a drill bit about its axis to form a wellbore; controlling a rotary motor disposed within the drill string to selectively open and close one or more of a plurality of gate valves to hydraulically actuate a corresponding one or more plurality of steering pads by, in an open position, allowing pressurized fluid to contact corresponding interior surfaces of the corresponding one or more plurality of steering pads to push the one or more plurality of steering pads into contact with a portion of the wellbore to deflect the drill bit away from the portion of the wellbore. The movable steering pads may be selectively extended so as to contact the portion of the wellbore at the same relative rotational position as the tool rotates.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: May 25, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Brian Allen Mohon, Robert Eric Epstein
  • Patent number: 11008809
    Abstract: A drilling assembly includes a power section with a housing that rotates in a first direction at a drill string rotation rate. An output rotates a drill bit through a transmission shaft in the first direction at a rotor rotation rate relative to the housing. A bent housing between the power section and the drill bit rotates in a second direction at a variable rotation rate relative to the power housing. The transmission shaft extends through the bent housing. A mechanical brake system adjusts the bent housing's variable rotation rate. The bent housing rotates relative to the wellbore in a rotary mode, but not in a sliding mode. The sliding mode maintains the drill bit's direction and inclination while the drill string rotates. In all modes, the drill bit's rotation rate is the sum of the drill string rate and the rotor rate relative to the power housing.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: May 18, 2021
    Assignee: Rival Downhole Tools, LC
    Inventors: Gunther H H von Gynz-Rekowski, William Christian Herben, Mark Allen Reeves, Donald M. Sawyer, Roger W. Fincher
  • Patent number: 10927601
    Abstract: A downhole assembly and method are provided for selective activation of a motor in a drilling string. The downhole assembly includes a stator and a rotor assembly. The rotor assembly comprises a rotor body having a fluid passage extending between an inlet and an outlet, the fluid passage extending through at least part of the length of the rotor; and a ball catch component comprising a receiving end and an interior seat for receiving and retaining a blocking implement, and a fluid passage. When no blocking implement is retained in the rotor assembly, the fluid passage permits flow of drilling fluid entering the receiving end to the fluid passage of the rotor body. The fluid thereby bypasses the motor, which is not activated. When a blocking implement is in place, drilling fluid flows around the ball catch component and into the motor to thereby activate the motor.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: February 23, 2021
    Assignee: Impulse Downhole Solutions Ltd.
    Inventors: Troy Lorenson, Kevin Leroux, Dwayne Parenteau, Doug Kinsella
  • Patent number: 10830025
    Abstract: A downhole well pump assembly includes a pump and a motor. The motor has a motor housing with a motor head adapter on one end, the motor head adapter having a threaded connector. A seal section seals around a shaft of the motor, the seal section having a seal section adapter connected to the motor head adapter with the threaded connector. The motor head adapter and the motor housing have cylindrical exterior surfaces and end faces that face each other, defining a joint between the end faces. A first strip of metal foil is welded around the exterior surfaces of the motor head adapter and the motor housing at the joint, sealing the entry of well fluids into the joint.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: November 10, 2020
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventor: Sean A. Cain
  • Patent number: 10655392
    Abstract: An improved leading end assembly for a HDD percussion boring system comprises a sonde housing, a percussion hammer and a tilted-face slant bit. The sonde housing body comprises a bent engagement feature and a shoe aspect that creates an asymmetrical cross section of the sonde housing. The percussion hammer is connected to the sonde housing via the bent engagement feature which is configured to position the percussion hammer on an angle relative to a longitudinal axis of the sonde housing. The tilted-face slant bit comprises a front face facet that defines a plane that is tilted relative to a plane that is perpendicular to a longitudinal axis of the bit shaft. Advantageously, embodiments of the solution do not include a bent sub component. Rather, the shoe aspect, the bent engagement feature and the front face facet collectively form an effective bend angle (as opposed to a single, abrupt bend angle imposed by a bent sub in prior art solutions).
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: May 19, 2020
    Inventors: Cary Cooper, Travis Parr
  • Patent number: 10655393
    Abstract: An example apparatus for controlling the direction of drilling a borehole includes a housing and a radially offsetable drive shaft at least partially within the housing. The apparatus may further include one or more pusher extendable from the housing. The one or more pusher may be extendable in response to a radial offset in the offsetable drive shaft with respect to a longitudinal axis of the housing.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: May 19, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Alan Campbell Bryson
  • Patent number: 10633919
    Abstract: A bearing housing for a bottomhole assembly of a downhole tool includes an upper bearing housing, lower bearing housing, and a driveshaft. The upper bearing housing and lower bearing housing include a bore defining a bore longitudinal axis. The outer surface of the upper bearing housing defining a bearing housing longitudinal axis, the bearing housing longitudinal axis formed at an angle to the bore longitudinal axis. The upper bearing housing may be formed by forming a bore through an upper bearing housing blank and subsequently forming the outer surface of the upper bearing housing concentric with the bearing housing longitudinal axis.
    Type: Grant
    Filed: October 21, 2017
    Date of Patent: April 28, 2020
    Assignee: TURBO DRILL INDUSTRIES
    Inventors: Sheldon Ritchie, Chad Feddema
  • Patent number: 10422184
    Abstract: A downhole steering tool includes one or more steering blades selectively extendable from a housing. Each steering blade may be extended by fluid pressure within a steering cylinder. Each steering cylinder may be coupled to the interior of a mandrel positioned within the housing through an adjustable orifice. The adjustable orifice may be moved between an open and a partially open position. The adjustable orifice may be controlled by a ring valve.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: September 24, 2019
    Assignee: SANVEAN TECHNOLOGIES LLC
    Inventors: Chad Feddema, Stephen Jones, Junichi Sugiura
  • Patent number: 10415738
    Abstract: Cable pulling systems and methods of use are provided suitable for trenchless cable pulling applications, including bursting head applications for laying down replacement pipe underground. A chassis is provided that accommodates laterally disposed piston assemblies, both single cylinder and dual cylinder closed path piston assemblies. Also provided are quick release manifolds for cable holding grippers and cable pulling grippers for use with both single cylinder and dual cylinder piston assemblies. A chassis and cable pulling system also are provided for trenchless pipe extraction applications and which accommodate closed path piston assemblies. Small and large pipe diameter bursting head devices also are provided with integrated cable gripping and release assemblies. Also provided are methods for sealing cable ends.
    Type: Grant
    Filed: May 31, 2015
    Date of Patent: September 17, 2019
    Assignee: RODDIE, INC.
    Inventors: Rod Herrick, Jared W. Shappell
  • Patent number: 10301880
    Abstract: An over-bit backreamer. The backreamer is configured to be placed over a bit without detaching the hit from a drill string associated with a pilot bore. The backreamer has an internal surface that conforms to a steering surface of the hit. Rotation is transferred from the bit to the backreamer at the internal surface. The backreamer further defines a flange which interacts with a feature, such as a heel, on the bit. The flange and heel form a shoulder which transfers pullback force to the bit. The backreamer comprises a pullback eye that pulls a product pipe back through the borehole.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: May 28, 2019
    Assignee: Radius HDD Direct, LLC
    Inventors: David G. Bullock, Ronald F. Wright, Jr.
  • Patent number: 10273784
    Abstract: Multi-functional fluid-driven power generation units, modular power generation units, and drilling systems with a power generation unit are presented herein. A power generation unit for powering one or more downhole tools in a drill string is disclosed. The power generation unit includes a housing that is configured to couple to a downhole portion of the drill string and receive at least a portion of fluid flowing through the drill string. The power generation unit also includes a fluid-driven motor assembly with a drive shaft configured to output rotational drive forces generated by the motor assembly. An electrical generator is operatively coupled to the drive shaft and configured to convert the rotational drive forces generated by the motor assembly into electrical power. In addition, a hydraulic pump is operatively coupled to the drive shaft and configured to convert the rotational drive forces generated by the motor assembly into hydraulic power.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: April 30, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Daniel Martin Winslow, John Keith Savage
  • Patent number: 10214971
    Abstract: Adjustment of the angle of a bent sub or other steering feature in a drill string relative to a reference angle of a downhole sensor is facilitated by a rotatable coupling between the bend sub and the sensor. The rotatable coupling may be rotated to align the high side with a reference indicia and locked at the set angle. Calibration of the sensor is facilitated and opportunities for certain measurement errors are eliminated. An embodiment provides a locking mechanism comprising tapered locking fingers which are clamped against a surface by a tapered collar. Rows of ceramic balls retained in circumferential channels may be provided to permit rotation while carrying tensile and compressional forces.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 26, 2019
    Assignee: Evolution Engineering Inc.
    Inventors: Aaron W. Logan, Patrick R. Derkacz, Justin C. Logan, David A. Switzer
  • Patent number: 10000971
    Abstract: A method for steering a well comprises disposing a first orienting assembly and a second orienting assembly spaced apart along a circular inner peripheral surface of a housing. An orienting sleeve is rotatably supported between the first orienting assembly and the second orienting assembly, The orienting sleeve has an angled bore therethrough, wherein a first longitudinal axis of the angled bore is inclined by a predetermined angle to a second longitudinal axis referenced to a cylindrical outer peripheral surface of the orienting sleeve. A rotatable steering shaft is rotatably supported along the angled bore to control rotatable steering shaft bending. The rotation of the first orienting assembly, the second orienting assembly, and the orienting sleeve is controllably adjusted to control the steering direction of the rotatable steering shaft.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: June 19, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Excelino Diaz
  • Patent number: 9919423
    Abstract: A positioning device is adapted for positioning a tool at a setpoint position on a flat substrate in an X-Y plane, the tool exerting a process force in its axial direction perpendicularly onto the substrate. The tool includes a multicomponent force sensor to measure unwanted process-force components in the lateral direction. The setpoint position of the tool is correctable by the positioning device such that the lateral process-force components are minimized.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: March 20, 2018
    Assignee: ETEL S.A.
    Inventors: Hélène Mazerolle, Jean-Marc Vaucher, Marc Kunze, Laurent Heiniger
  • Patent number: 9816321
    Abstract: A steering head for use with a casing, the steering head having a body with a first body end with a lead edge, a second body end with a rear edge, and a body surface extending from the lead edge to the rear edge, an outer tube with an internal side generally facing the body surface, the outer tube extending from the first body end to the second body end, and a steering flap disposed on an external side of the outer tube having a first flap face facing radially inwardly and a second flap face facing radially outwardly. A fluid dispenser is disposed in a void defined between the outer tube and the body.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: November 14, 2017
    Assignee: McLaughlin Group, Inc.
    Inventor: William Malcolm
  • Patent number: 9605527
    Abstract: An apparatus for mitigation of torsional noise effects on borehole measurements. The apparatus may include a conveyance device; a sleeve having a sensor section, the sleeve rotatably disposed on the conveyance device; a sensor having at least one component disposed on the sensor section; and a driver coupled to the conveyance device and configured to rotate at least the sleeve sensor section. The driver may rotate the sleeve sensor section independent of the conveyance device. The driver may rotate the sleeve sensor section at a preset substantially constant rotational speed. The sleeve may include at least one arm configured to selectively lock the sleeve to a surface in the borehole. The driver may rotate the sleeve sensor section during measurement by the sensor. The driver may selectively couple the sleeve.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: March 28, 2017
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Arcady Reiderman, Robert Estes, Fei Le, Hanno Reckmann, Christian Herbig
  • Patent number: 9534445
    Abstract: A rotary steerable tool has an inner mandrel having a longitudinal axis and an outer housing positioned along the inner mandrel. The outer housing rotates independently of the inner mandrel. The outer housing has an engagement member that moves axially relative to the outer housing and the inner mandrel between an extended position and a retracted position, and a transition surface having a slope relative to an outer surface of the outer housing. The engagement member moves along the transition surface between the extended position and the retracted position. In the engaged position, the engagement member extends outward from the outer housing to engage an inner surface of a well being drilled. An actuator selectively moves the engagement member along the transition surface from the retracted position to the extended position.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: January 3, 2017
    Inventor: Alexandre Korchounov
  • Patent number: 9494028
    Abstract: The invention relates to downhole motors for rotating drill bits. The downhole motors may comprise stators, turbines or the like. The drilling motor may comprise a drilling apparatus comprising a drill bit connected to a rotor rotatably housed within a stator (or a turbine rotor in a housing), the rotor comprising at least one magnetic field source or magnetic field detector, and the stator comprising at least one magnetic field source if the rotor comprises a magnetic field detector or comprising at least one magnetic field detector if the rotor comprises a magnetic field source, thereby allowing the rotation speed of the rotor relative to the stator to be measured.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: November 15, 2016
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Ashley Johnson, Michael P. Barrett, Benjamin P. Jeffryes, Walter David Aldred, Maurice Ringer
  • Patent number: 9399894
    Abstract: A friction reducing assembly has a substantially cylindrical body member having an outer surface and friction reducing elements, such as ball transfer units or other omni-directional rolling-element bearing assemblies, disposed along such outer surface. The friction reducing assembly can take many different configurations including a rolling sub assembly, a mule shoe assembly or a centralizer assembly having an adjustable outer diameter.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: July 26, 2016
    Inventor: Kenneth Perry
  • Patent number: 9366087
    Abstract: A rotary steerable drilling system may include a substantially non-rotating tool body, a rotatable shaft including at least one pivotable feature, where the rotatable shaft is at least partially disposed within the tool body, and a bias unit that alters the position of the rotatable shaft within the tool body. The rotary steerable drilling system may also include at least one force application member that alters the position of the tool body in the borehole. A downhole steering motor may include a rotor shaft with at least one pivotable joint, a steering motor housing, a bias unit that alters the position of the rotor shaft inside the steering motor housing, and at least one force application member that alters the position of the steering motor housing in a borehole.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: June 14, 2016
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Junichi Sugiura, Geoffrey C. Downton
  • Patent number: 9366095
    Abstract: A displacement assistance device can include at least two flow paths in fluid communication with a flow passage, and a blocking member that blocks flow through each flow path in response to the flow through that flow path. A method of assisting displacement of a tubular string can include installing the tubular string, then discharging a blocking member into the tubular string, and flowing a fluid through a flow passage extending longitudinally through a displacement assistance device connected in the tubular string, thereby causing the member to repeatedly block flow through at least two flow paths in succession. A system can include a displacement assistance device connected in a tubular string, the device including at least two flow paths in communication with a flow passage extending through the tubular string, and a blocking member that alternately blocks flow through the flow paths in response to flow through the flow passage.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: June 14, 2016
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Stanley V. Stephenson, Jim B. Surjaatmadja
  • Patent number: 9353615
    Abstract: A down hole surveying tool (10) is for directional surveying of boreholes. The tool (10) includes a body (11) which accommodates a two-axis gyroscope (13) and a two-axis accelerometer (15). The gyroscope (13) and accelerometer (15) are rigidly fixed with respect to each other to provide a composite sensor device (17). The sensor device (17) is supported in a rotary mount (31) for rotation about an indexing axis (4). The sensor device (17) can be indexed about the indexing axis between two indexing positions which are 180 degrees apart. An indexing mechanism (70) is provided for selectively indexing the sensor device (17) about the indexing axis (4). The indexing mechanism (70) includes a drive portion (71) and a driven portion (72) adapted for selective interaction to impart indexing motion to the sensor device (17). The driven portion (72) is movable into and out of engagement with the drive portion (71) upon rotation of the rotary mount (31) about a pitch axis (1) using a pitch drive mechanism (51).
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: May 31, 2016
    Assignee: Imdex Global B.V.
    Inventor: Richard John Parfitt
  • Patent number: 9290993
    Abstract: The present disclosure is directed toward systems and methods for trenchless installation of a conduit. According to the examples herein, a conduit may be installed underground using the conduit itself for the drilling of the bore hole needed to accommodate the conduit. The conduit may be installed after a drill string has been positioned in the ground to define a pilot hole. After the pilot hole is defined and while the drill string used to define the pilot hole remains underground, the conduit may be driven underground following the path defined by the drill string. A driving force may be applied to the conduit and cutting member attached to a leading end of the conduit to cause the conduit to advance underground while the drill string, a portion of which may be interior to the conduit, remains underground.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: March 22, 2016
    Inventors: Robert E Harr, J. Dana Pruhs
  • Patent number: 9217299
    Abstract: A bottom hole assembly (BHA) configured for use in a drill string of a wellsite drilling system. The BHA includes a measuring-while-drilling (MWD) module, a wireless power and data connection, and a rotary steerable system (RSS). The MWD module is configured for coupling to a drill string, and includes a power generation component and a direction and inclination (D&I) survey package. The wireless power and data connection is disposed above a drilling motor in the drill string and for providing power and data connectivity between the MWD module and the drilling motor. The RSS is coupled to the drilling motor for receiving power from and communicating with the MWD module via the wireless power and data connection and the drilling motor.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: December 22, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Keith A. Moriarty, Raphael Gadot, Brian Oliver Clark
  • Patent number: 9181752
    Abstract: A steering head for use with a casing, the steering head having a body with a first body end with a lead edge, a second body end with a rear edge, and a body surface extending from the lead edge to the rear edge, an outer tube with an internal side generally facing the body surface, the outer tube extending from the first body end to the second body end, and a steering flap disposed on an external side of the outer tube having a first flap face facing radially inwardly and a second flap face facing radially outwardly. A fluid dispenser is disposed in a void defined between the outer tube and the body.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: November 10, 2015
    Inventor: William Malcolm
  • Patent number: 9057223
    Abstract: A technique facilitates drilling of wellbores or other types of bore holes in a variety of applications. A steerable system or other well tool is designed with a plurality of actuators which are positioned to provide controlled steering during a drilling operation. Each actuator includes at least one loose element or ball slidably mounted in a corresponding sleeve. Pressurized fluid is used to provide controlled movement of the elements along the corresponding sleeves of the actuators. The controlled movement of the elements assists in the provision of steering or other control over the well tool during the drilling operation.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: June 16, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Cedric Perrin, Geoffrey C. Downton, Christopher C. Bogath, Bertrand Lacour, Paul Crerar
  • Patent number: 9038746
    Abstract: A method for determining position of a wellbore in the Earth's subsurface includes actuating a plurality of seismic energy sources each disposed at a known geodetic position. Seismic energy from the sources is detected at a selected location along the wellbore. The geodetic position at the selected location is determined from the detected seismic energy. A corresponding method includes actuating a seismic energy source at a selected position within the wellbore. The seismic energy is detected at a plurality of known geodetic positions. The geodetic position of the source is determined from the detected seismic energy.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: May 26, 2015
    Assignee: Schlumberger Technology Corporation
    Inventor: Benny Poedjono
  • Publication number: 20150129313
    Abstract: A slip ring apparatus including a ring assembly having a conductive ring with a conductive ring engagement surface, a contact assembly having a contact element with a contact element engagement surface for engaging with the conductive ring engagement surface, and a surface discontinuity provided in at least one of the conductive ring engagement surface and the contact element engagement surface. An apparatus including the slip ring apparatus, wherein the apparatus includes a housing having an interior and a shaft rotatably extending through the interior of the housing. A method for reducing the potential of a hydroplaning effect in a slip ring apparatus, including providing a surface discontinuity in at least one of a conductive ring engagement surface and a contact element engagement surface.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 14, 2015
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventor: Jonathan Peter Zacharko
  • Patent number: 9016400
    Abstract: A steerable drilling apparatus includes a control system inside a cylindrical housing connected to a drill bit having radially-extendable pistons. A fluid-metering assembly directs a piston actuating fluid into fluid channels in the drill bit leading to respective pistons. The control system controls the fluid-metering assembly to selectively allow fluid flow through the fluid channels to the pistons and to exit through orifices in the fluid channels. The selective fluid flow causes the actuated piston to temporarily extend in the opposite direction to a desired wellbore deviation, thereby deflecting the drill bit away from the borehole centerline. An upper member in the fluid-metering assembly can be moved to stabilize, steer, and change TFA within the drill bit. The control system and drill bit are connected so as to facilitate removal to change the drill bit's steering section and cutting structure configuration or gauge simultaneously.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: April 28, 2015
    Assignee: National Oilwell Varco, L.P.
    Inventors: Jeffery Clausen, Jonathan Ryan Prill
  • Patent number: 9016401
    Abstract: Modular actuators, steering tools, and rotary steerable drilling systems are presented herein. A modular actuator is disclosed for use in directing a drill string, which includes a housing proximate a drive shaft. The modular actuator includes a cartridge that is configured to couple to the outer periphery of the housing. A fluid reservoir is contained within the cartridge. A hydraulically actuated actuator piston, which is slidably disposed at least partially inside the cartridge, is movable between activated and deactivated positions. A hydraulic control system is also contained within the cartridge, fluidly coupling the fluid reservoir to the actuator piston. The hydraulic control system is configured to regulate movement of the actuator piston between the activated and deactivated positions such that the actuator piston selectively presses against and moves the drive shaft and thereby changes the direction of the drill string.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: April 28, 2015
    Assignee: Halliburton Energy Services, Inc.
    Inventors: John Keith Savage, Kennedy John Kirkhope
  • Publication number: 20150107902
    Abstract: A technique facilitates drilling of a variety of a wellbores. The technique comprises providing a directional drilling system with a drill bit mounted at the end of a collar having an internal flow passage for drilling fluid. The collar is rotatably positioned in a steering structure to which a plurality of steering members is mounted for lateral motion with respect to the steering structure. The design allows the steering structure to remain rotationally stationary with respect to the surrounding borehole wall as the collar and drill bit are rotated to perform a drilling operation. The drilling orientation of the collar and the drill bit may be adjusted by routing drilling fluid from the internal flow passage to at least one of the steering members to cause lateral displacement of the steering member while the steering structure remains in the rotationally stationary position.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 23, 2015
    Applicant: Schlumberger Technology Corporation
    Inventor: Geoffrey C. Downton
  • Publication number: 20150075870
    Abstract: Disclosed is a system and method employed in a horizontal directional drilling (“HDD”) process. An exemplary embodiment includes a drill bit with thirteen (13) or more splines for improved orientation of the drill bit relative to the orientation of a bent sub. Another exemplary embodiment includes a drill bit configured for receipt of a pulling device so that the drill bit may be used in a back reaming step to pull a product back through a pilot bore. Another exemplary embodiment includes a pulling device for mounting to a drill bit. The pulling device, in some embodiments, may include one or more pins for diverting and channeling air and/or fluid through the drill bit to lubricate a hammer assembly and/or the product being pulled as the drill string to which the drill bit is attached is retracted back through the pilot bore.
    Type: Application
    Filed: March 13, 2014
    Publication date: March 19, 2015
    Inventor: CARY COOPER
  • Patent number: 8978784
    Abstract: A drilling assembly comprises a bent housing terminating in a drill bit (18), and a top section coupled to the bent section. The top section is suspended upon coiled tubing (10). The drilling assembly includes an orienter means (2-6) capable of rotating the bent housing with respect to the top section, wherein the orienter means includes an electric motor (34) situated in the bent section. The bent housing includes sensor means (30) for monitoring downhole physical variables, the sensor means being situated in the bent section. The orienter means may be an electro-mechanical motor.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: March 17, 2015
    Assignee: Antech Limited
    Inventor: Antoni Miszewski
  • Patent number: 8967296
    Abstract: The present invention relates to a rotary steerable drilling apparatus which separates the drill string from the bottom hole assembly thereby allowing the biasing means to push the bit in a given direction without having to lift the drill string along with the bottom hole assembly.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: March 3, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Geoff Downton, David L. Smith
  • Patent number: 8960330
    Abstract: A system and method facilitate directional drilling. The technique employs an orienting tool which may be connected into a coiled tubing drilling system to selectively orient a drilling assembly. The orienting tool is able to cause relative rotation of an outer housing to orientate a tool face. The relative rotation is facilitated by utilizing floating members, such as a floating piston and a floating nut, in the internal orientation assembly. The floating member or members are decoupled in a radial direction to better facilitate the relative rotation of the housing with respect to components of the internal orientation assembly.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: February 24, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Larry J. Leising, Troy Nason
  • Patent number: 8950512
    Abstract: A method and apparatus for estimating the instantaneous rotational speed of a bottom hole assembly at the lower end of a drill string. In one embodiment, a method includes driving the drill string by a drilling mechanism at the upper end of the drill string. A fundamental frequency of stick-slip oscillations suffered by the drill string is estimated. Variations in a drive torque of the drilling mechanism are determined. Known torsional compliance of the drill string is combined with the variations in the drive torque. An output signal representing the instantaneous rotational speed is provided.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: February 10, 2015
    Assignee: National Oilwell Varco, L.P.
    Inventors: Pal Jacob Nessjoen, Age Kyllingstad
  • Publication number: 20150034390
    Abstract: An adjustable bent housing assembly for a deviated direction drill string having 1.5° adjustment increments between an index sub housing and mandrel has variances of less than 0.02° at 0.25 nominal degree increments between 0° and 3.00° of drill direction deviation.
    Type: Application
    Filed: March 11, 2014
    Publication date: February 5, 2015
    Inventors: Paul Donald Roberts, Timothy Edward LaGrange
  • Publication number: 20150034312
    Abstract: A downhole magnetic latching tool includes at least one permanent magnet deployed on a non-magnetic tool body. A magnetically permeable housing is deployed about the permanent magnet. The magnetic latching tool provides an attractive magnetic force between a drill string and a cased target wellbore.
    Type: Application
    Filed: August 26, 2011
    Publication date: February 5, 2015
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Graham Arthur McElhinney, Charles Henry Duck, JR., Christopher William Lillis
  • Publication number: 20150008045
    Abstract: A steerable system comprises a fluid powered motor 10 having a rotor 16 and a stator 18, and a bias arrangement having a plurality of bias pads 34 connected to the stator 18 so as to be rotatable therewith, the bias pads 34 being moveable to allow the application of a side load to the steerable system.
    Type: Application
    Filed: September 24, 2014
    Publication date: January 8, 2015
    Inventor: Geoffrey C. Downton
  • Patent number: 8925652
    Abstract: In one aspect, a drilling apparatus is provided, where the drilling apparatus includes a fluid pump disposed in a main wellbore, a lateral well in fluid communication with the fluid pump and a drilling assembly disposed in the lateral well, wherein the drilling assembly is configured to receive a fluid from the fluid pump to power the drilling assembly and to transport cuttings from the drilling assembly to the main wellbore. The drilling apparatus further includes a sealing mechanism disposed in the main wellbore, the sealing mechanism being configured to direct the cuttings in the fluid downhole of the sealing mechanism.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: January 6, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Steffen Toscher, Ingo Roders, Harald Grimmer, Volker Krueger
  • Patent number: 8919458
    Abstract: A system and method for drilling a wellbore along a desired well path is disclosed. The system and method employed a bearing housing which may be connected into a bottom hole assembly to facilitate drilling of deviated wellbore sections. The bearing housing has an internal bore with an axis that can be positioned to form a non-zero angle with the central or longitudinal axis of the bearing housing. The internal bore is designed to rotatably receive a drill bit shaft such that a drill bit is oriented at a desired angle with respect to the bearing housing. Alternatively, the internal bore may be positioned in a sleeve which is received in the bearing housing.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: December 30, 2014
    Assignee: Schlumberger Technology Corporation
    Inventor: Andrei Plop
  • Publication number: 20140374165
    Abstract: A steering head for use with a casing, the steering head having a generally cylindrical body with a first body end with a lead edge, a second body end with a rear edge, and a body surface extending from the lead edge to the rear edge, an outer tube with an internal side generally facing the body surface, the outer tube extending from the first body end to the second body end, and a steering flap disposed on an external side of the outer tube having a first flap face facing radially inwardly and a second flap face facing radially outwardly. A biased hinge is secured to both the outer tube and the steering flap, the biased hinge being operative to retract the steering flap into a retracted position from an extending position.
    Type: Application
    Filed: September 8, 2014
    Publication date: December 25, 2014
    Inventor: William Malcolm
  • Publication number: 20140367172
    Abstract: Methods and apparatuses include drilling a bore hole in a horizontal direction with a drill bit, a bent housing portion, and a mud motor by rotating the drill bit, the bent housing portion, and the mud motor with drill pipe comprising an aluminum pipe section. The methods and apparatuses also include stopping rotation of the drill pipe and performing a slide by rotating the drill bit with the mud motor to advance the drill bit, the bent housing portion, the mud motor, and the drill pipe in the borehole so that the aluminum pipe section moves axially along the bore hole in the horizontal direction. The methods and apparatuses also include continuing to drill the bore hole by rotating the drill bit, the bent housing portion, and the mud motor with the drill pipe.
    Type: Application
    Filed: June 2, 2014
    Publication date: December 18, 2014
    Applicant: Ryan Directional Services
    Inventor: Nigel Mark Evans
  • Publication number: 20140360787
    Abstract: A motor apparatus attached to a work string in a well. The apparatus includes a power housing having a rotor-stator member for creating a rotational force, with the power section being attached to the work string; an intermediate housing attached to the power housing; and a flexible coupling unit partially disposed within the intermediate housing. The apparatus further includes a bearing housing attached to the intermediate housing, wherein the bearing housing contains a thrust and radial bearings, and wherein the bearing housing is partially disposed about a portion of the flexible coupling unit. The bearing housing has a first and second axis, wherein the first axis is parallel to the power section axis and the second axis is angularly offset to the power section axis.
    Type: Application
    Filed: June 5, 2013
    Publication date: December 11, 2014
    Inventors: Danny T. Williams, Massoud Panahi
  • Patent number: 8899352
    Abstract: This disclosure relates in general to a method and system for controlling a drilling system for drilling a borehole in an earth formation. More specifically, but not by way of limitation, embodiments of the present invention provide systems and methods for controlling dynamic interactions between the drilling system for drilling the borehole and an inner surface of the borehole being drilled to steer the drilling system to directionally drill the borehole. In another embodiment of the present invention, data regarding the functioning of the drilling system as it drills the borehole may be sensed and interactions between the drilling system for drilling the borehole and an inner surface of the borehole may be controlled in response to the sensed data to control the drilling system as the borehole is being drilled.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: December 2, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Ashley Johnson, Walter David Aldred, Geoffrey Downton, Riadh Boualleg, Kjell Haugvaldstad, Michael Sheppard
  • Patent number: 8893824
    Abstract: A steerable system comprises a fluid powered motor 10 having a rotor 16 and a stator 18, and a bias arrangement having a plurality of bias pads 34 connected to the stator 18 so as to be rotatable therewith, the bias pads 34 being moveable to allow the application of a side load to the steerable system.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: November 25, 2014
    Assignee: Schlumberger Technology Corporation
    Inventor: Geoff Downton