Weatherford/lamb, Inc.

Weatherford Technology Holdings, LLC

Halliburton Energy Services, Inc.

Albert C Odell, Ii

Tuong Thanh Le

Richard Lee Giroux

Jay Milton Eppink

Gregory Guy Galloway

David J Brunnert

Eric Michael Twardowski

Brent James Lirette

James W Estep

Frederick Thomas Tilton

Gary Thompson

James B Terry

William F Trainor

Thomas Platt Wilson

David E Rios-Aleman

David Michael Haugen

Karsten Heidecke

Mark J Murray

Jose A Trevino

Jim B Terry

Mike Wardley

Gregory R Nazzal

Raymond H Jackson

William M Beasley

James C Swarr

Samir Alkhatib

Dave McKay

Simon John Harrall

Patrick Glen Maguire

Michael W Hayes

Guy Feasey

Sharp Okorie Ugwuocha

Scott Beattie

Guy F Feasey

Joerg Lorenz

Haoshi Song

Thomas M Redlinger

Timothy L Wilson

Michael J Moody

Andrew Antoine

Peter Barnes Moyes

Tommy Laird

Doyle Frederic Boutwell, Jr

James H Taylor, Jr

William Allen Schultz, Jr

Christopher M Vreeland

Mark S Fuller

Marius Raducanu

Glenn Iversen

Doug Reid

Bernd-Georg Pietras

David Shahin

Robert P Badrak

Doyle Fredric Boutwell, Jr

Iain Morrison Macleod

Deborah Lynn Banta

Matthew Daniel Garcia

Andrew D Gledhill

Chi-Huang M Chang

Arthur Warren Meeks

Alexander A Lazarev

Michael Tague Smalley

Robert Dugal

A downhole assembly includes a tubular body having a bore and a downhole tool connected to the tubular body. The downhole assembly also includes a sensor assembly having a carrier and a sensor. A sensor adapter is used to couple the sensor assembly to the tubular body. The sensor adapter includes an adapter body disposed in the bore of the tubular body; an adapter shaft for connection with the carrier; and a plurality of channels formed between the adapter shaft and the adapter body.

Apparatus and methods for deploying sensor in downhole tool

Apparatus and methods for deploying a sensor in a downhole tool

A tool for use in a wellbore includes a tubular body having a bore therethrough, an opening through a wall thereof, and a connector at each longitudinal end thereof; and an arm. The arm is pivotally connected to a first piston and rotationally coupled to the body, is disposed in the opening in a retracted position, and is movable to an extended position where an outer surface of the arm extends outward past an outer surface of the body. The first piston is disposed in the body bore, has a bore therethrough, and is operable to move the arm from the retracted position to the extended position in response to fluid pressure in the piston bore exceeding fluid pressure in the opening. The tool further includes a lock operable to retain the first piston in the retracted position; and a second piston operably coupled to the lock.

Extendable cutting tools for use in a wellbore

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

RFID device for use downhole

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.

Method and apparatus for sealing tubulars

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.

Controller for downhole tool

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. In another packer, an inner mandrel can have circumferentially spaced apart engagement structures that are engageable with other circumferentially spaced apart engagement structures, displacement of one packer section relative to another packer section in a longitudinal direction being prevented when the engagement structures are engaged, and such displacement being permitted when the engagement structures are rotationally misaligned.

Annulus isolation in drilling/milling operations

In another embodiment, a method of drilling a wellbore includes running a drilling assembly into the wellbore through a casing string, the drilling assembly comprising a tubular string, an underreamer, and a drill bit; injecting drilling fluid through the tubular string and rotating the drill bit, wherein the underreamer remains locked in the retracted position; sending an instruction signal to the underreamer via modulation of a rotational speed of the drilling assembly or modulation of a drilling fluid pressure, thereby extending the underreamers; and reaming the wellbore using the extended underreamer.

Method and apparatus for operating a downhole tool

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.

Apparatus for gripping a tubular on a drilling rig

Embodiments of the present invention generally relate to extendable cutting tools for use in a wellbore. In one embodiment, a tool for use in a wellbore includes a tubular body having a bore therethrough, an opening through a wall thereof, and a connector at each longitudinal end thereof; and an arm. The arm is pivotally connected to a first piston and rotationally coupled to the body, is disposed in the opening in a retracted position, and is movable to an extended position where an outer surface of the arm extends outward past an outer surface of the body. The tool further includes the first piston. The first piston is disposed in the body bore, has a bore therethrough, and is operable to move the arm from the retracted position to the extended position in response to fluid pressure in the piston bore exceeding fluid pressure in the opening. The tool further includes a lock operable to retain the first piston in the retracted position; and a second piston operably coupled to the lock.

A method and apparatus for removing debris from a wellbore using a cleaning tool. The tool may comprise an inner mandrel and a cup member coupled to the inner mandrel. The cup member is moveable between a collapsed position where fluid may flow across the exterior of the cup member, and an extended position where fluid is diverted into a flow path disposed between the inner mandrel and the cup member. The fluid is diverted through a filter member that is coupled to the inner mandrel below the cup member.

Downhole debris retriever

A method of drilling a wellbore includes running a drilling assembly into the wellbore through a casing string, the drilling assembly having a tubular string, a stabilizer, and a drill bit; applying a force to an arm of the stabilizer, thereby causing the arm to retract; and removing the stabilizer and the drill bit from the wellbore.

Extendable and retractable stabilizer

A method of controlling fluid flow between two tubulars includes disposing a sealing member in an annular area between two tubulars, wherein the two tubulars partially overlap; moving the sealing member to a lower position where it is not in contact with one of the tubulars, thereby allowing fluid flow through the annular area; and moving the sealing member to an upper position where it is in contact with both of the tubulars, thereby preventing fluid flow through the annular area.

A method of forming a wellbore includes providing a drilling assembly comprising one or more lengths of casing and an axially retracting assembly having a first tubular; a second tubular at least partially disposed in the first tubular and axially fixed thereto; and a support member disposed in the second tubular and movable from a first axial position to a second axial position relative to the second tubular, wherein, in the first axial position, the support member maintains the second tubular axially fixed to the first tubular, and in the second axial position, allows the second tubular to move relative to the first tubular; and an earth removal member disposed below the axially retracting assembly. The method also includes rotating the earth removal member to form the wellbore; moving the support member to the second axial position; and reducing a length of the axially retracting assembly.

Subsea drilling with casing

The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow path and a second fluid flow path. Fluid is flowed through the first fluid flow path, and at least a portion of which may return through the second fluid flow path. In one embodiment, the drilling assembly is provided with a third fluid flow path. After drilling has been completed, wellbore lining conduit may be cemented in the wellbore.

Methods and apparatus for wellbore construction and completion

Growing community of inventors

Kingwood, TX, United States of America

Albert C Odell, Ii