公开(公告)号：AU2012203290A1

公开(公告)日：2012-06-21

申请号：AU2012203290

申请日：2012-06-04

Applicant: WEATHERFORD LAMB

Inventor： STEINER ADRIAN ,  IBLINGS DAVID ,  BAILEY THOMAS F ,  BANSAL R K ,  HARRALL SIMON J ,  LYNCH MICHAEL

IPC: E21B19/16 ,  E21B21/10 ,  E21B21/12

Abstract: CONTINUOUS FLOW DRILLING SYSTEMS AND METHODS A method for drilling a wellbore (800), comprising acts of: drilling the wellbore (800) by injecting drilling fluid (804f) into a top of a tubular string (8011) disposed in the wellbore (800) at a first flow rate and rotating a drill bit (803), wherein: the tubular string (8011) comprises: the drill bit (803) disposed on a bottom thereof, tubular joints connected together, a longitudinal bore therethrough, a port (337) through a wall thereof, and a sleeve (326) operable between an open position where the port (337) is exposed to the bore and a closed position where a wall of the sleeve (326) is disposed between the port (337) and the bore; the drilling fluid (8040 exits the drill bit (803) and carries cuttings from the drill bit (803), and the cuttings and drilling fluid (8040 (returns) flow to surface via an annulus defined between the tubular string (8011) and the wellbore (800); moving the sleeve (326) to the open position; injecting drilling fluid (804f) into the port (337) at a second flow rate while adding a tubular joint or stand of joints to the tubular string (8011), wherein injection of drilling fluid (8040 into the tubular string (8011) is continuously maintained between drilling and adding the joint or stand to the tubular string (8011).

公开(公告)号：AT538285T

公开(公告)日：2012-01-15

申请号：AT08782411

申请日：2008-07-25

Applicant: WEATHERFORD LAMB

Inventor： IBLINGS DAVID ,  BAILEY THOMAS F ,  BANSAL R K ,  STEINER ADRIAN ,  LYNCH MICHAEL ,  HARRALL SIMON J

IPC: E21B19/16 ,  E21B21/10 ,  E21B21/12

Abstract: In one embodiment, a method for drilling a wellbore includes injecting drilling fluid into a top of a tubular string disposed in the wellbore at a first flow rate. The tubular string includes: a drill bit disposed on a bottom thereof, tubular joints connected together, a longitudinal bore therethrough, and a port through a wall thereof. The drilling fluid exits the drill bit and carries cuttings from the drill bit. The cuttings and drilling fluid (returns) flow to the surface via an annulus defined between the tubular string and the wellbore. The method further includes rotating the drill bit while injecting the drilling fluid; remotely removing a plug from the port, thereby opening the port; and injecting drilling fluid into the port at a second flow rate while adding a tubular joint or stand of joints to the tubular string. The injection of drilling fluid into the tubular string is continuously maintained between drilling and adding the joint or stand to the drill string. The method further includes remotely installing a plug into the port, thereby closing the port. The first and second flow rates may be substantially equal or different.

公开(公告)号：AU2009313207A1

公开(公告)日：2011-07-07

申请号：AU2009313207

申请日：2009-11-10

Applicant: WEATHERFORD LAMB

Inventor： JAKE XU WEI ,  ODELL II ALBERT C ,  HARRALL SIMON J ,  REDLINGER THOMAS M ,  VREELAND CHRISTOPHER M ,  ANDREW ANTOINE ,  BRUNNERT DAVID J ,  THOMAS LAIRD ,  MICHAEL MOODY ,  TILTON FREDERICK T

IPC: E21B10/32

Abstract: 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.

公开(公告)号：CA2757151A1

公开(公告)日：2007-02-11

申请号：CA2757151

申请日：2006-08-09

Applicant: WEATHERFORD LAMB

Inventor： HASHEM GHAZI J ,  HARRALL SIMON J ,  RING LEV M ,  EVANS MERLE E

IPC: E21B17/042 ,  E21B17/08

Abstract: An expandable threaded connection between segments of expandable tubulars that provides a high bearing pressure seal at a specific area along the pin and box members is disclosed. The invention utilizes a "groove" in a surface of the box member and a corresponding "rib" on the pin nose. The radial expansion of the tubulars causes the pin to become shorter in length, thereby causing the pin nose to retract from the back of the box member. As the pin nose retracts, the rib on the pin nose moves backward until a portion of the rib contacts a portion of the groove in the box member. The point of contact between the rib and the groove creates a metal-to-metal seal between the pin and box members. Because the point of contact between the rib and the groove is a relatively small area, the force acting on the point of contact generates a high bearing pressure that is equal to or greater than the internal pressure within the expandable tubulars and, thus, generates a high pressure seal.

公开(公告)号：CA2501190A1

公开(公告)日：2005-09-24

申请号：CA2501190

申请日：2005-03-18

Applicant: WEATHERFORD LAMB

Inventor： LUKE MIKE A ,  RUDD WAYNE ,  TILTON FREDERICK T ,  HAUGEN DAVID M ,  HARRALL SIMON J ,  METCALFE PAUL DAVID

IPC: E21B20060101 ,  E21B29/00 ,  E21B29/10 ,  E21B43/10

Abstract: The present invention generally relates to an apparatus and method for expanding a tubular body in a wellbore. In one aspect, a method includes running the tubular body into the wellbore, the tubular body having a deformed portion. The method further includes reforming the deformed portion and positioning a two - position expander in the reformed portion. Additionally, the method includes shifting the expander to a second, larger diameter position and then expanding the reform ed portion by urging the expander therethrough. In another aspect, a method for completing a wellbore is provided. In yet another aspect, a formable launche r section is provided. In a further aspect, a two-position expander tool is provided. In yet another aspect, an expansion system for use in completing a wellbore is provided.

公开(公告)号：CA2850500C

公开(公告)日：2019-02-26

申请号：CA2850500

申请日：2012-10-05

Applicant: WEATHERFORD/LAMB INC

Inventor： BAILEY THOMAS F ,  WAGONER DANNY W ,  BARRY ANDREW A W ,  HARRALL SIMON J ,  CHAMBERS JAMES W

IPC: E21B33/08

Abstract: Rotating control device related oilfield pressure control is accomplished by upper (26a) and lower (26b) seal members configured to seal around a tubular (40), a chamber (44) defined between the upper and lower seal members; and wherein fluid enters and/or exits the chamber via some device or structure (60, 70). Such a device or structure could be a relief valve (60), a first accumulator (70), a pressure control valve, an orifice, and/or a void space in a seal member in a location which contacts the tubular.

公开(公告)号：CA2916019C

公开(公告)日：2018-02-20

申请号：CA2916019

申请日：2014-06-26

Applicant: WEATHERFORD/LAMB INC

Inventor： MCDOWELL CHRISTOPHER L ,  NOSKE JOE ,  KING KYLE ALLEN ,  HARRALL SIMON J

IPC: E21B34/10 ,  E21B34/14

Abstract: 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.

公开(公告)号：CA2904445C

公开(公告)日：2017-09-12

申请号：CA2904445

申请日：2014-03-07

Applicant: WEATHERFORD/LAMB INC

Inventor： ZIMMERMAN PATRICK J ,  PARKER CHARLES D ,  DERBY MICHAEL C ,  GOODMAN BRANDON C ,  SMITH PAUL L ,  HARRALL SIMON J

IPC: E21B33/12

Abstract: A device and method to control the rate of radial expansion of a compressible sealing element on a packer over the longitudinal length of the sealing element. By varying the rate of compression of the element, the rate of radial expansion of the corresponding portions of the element may also be controlled. Additionally, the rate of radial expansion may also be controlled by controlling the direction and amount of radial expansion along the length of the sealing by reinforcing certain portions of the sealing element while decreasing the rigidity of the reinforcement for other portions.

公开(公告)号：CA2865078C

公开(公告)日：2016-03-01

申请号：CA2865078

申请日：2006-08-09

Applicant: WEATHERFORD LAMB

Inventor： HASHEM GHAZI J ,  HARRALL SIMON J ,  RING LEV M ,  EVANS MERLE E

IPC: E21B17/042 ,  E21B17/08

Abstract: The present invention relates to threaded tubular connections particularly useful in the oil and gas industry. In conventional drilling of an oil and gas well, a series of tubulars are sequentially installed in the well bore unit. Conventionally, each succeeding string of tubulars has an outside diameter smaller than the preceding string of tubulars. To achieve desired tubular diameter in the producing zone, the initial bore hole size at the surface must be large requiring increased drilling time and material costs. Expandable tubulars address these shortcomings. The present invention provides an expandable threaded tubular connection and a method of sealing characterized by an angled wall on a rib and corresponding angled groove on the pin member wherein the angled walls prevent the pin nose from being forced inwardly.

公开(公告)号：CA2881125C

公开(公告)日：2015-11-24

申请号：CA2881125

申请日：2006-08-09

Applicant: WEATHERFORD LAMB

Inventor： HASHEM GHAZI J ,  HARRALL SIMON J ,  RING LEV M ,  EVANS MERLE E

IPC: E21B17/042 ,  E21B17/08 ,  F16L15/08

Abstract: An expandable threaded connection between segments of expandable tubulars that provides a high bearing pressure seal at a specific area along the pin and box members is disclosed. The invention utilizes a "groove" in a surface of the box member and a corresponding "rib" on the pin nose. The radial expansion of the tubulars causes the pin to become shorter in length, thereby causing the pin nose to retract from the back of the box member. As the pin nose retracts, an axial gap is formed between the pin elements of the mating tubulars.