公开(公告)号：AU2009200329A1

公开(公告)日：2009-08-20

申请号：AU2009200329

申请日：2009-01-29

Applicant: WEATHERFORD LAMB

Inventor： VREELAND CHRISTOPHER M ,  REDLINGER THOMAS M

IPC: E21B31/107

公开(公告)号：CA2682316A1

公开(公告)日：2008-10-16

申请号：CA2682316

申请日：2008-04-04

Applicant: WEATHERFORD LAMB

Inventor： STULBERG MARTY ,  XU WEI ,  REDLINGER THOMAS M ,  CARTER THURMAN B ,  RHINEHART BILL ,  HALFORD HUBERT E

IPC: E21B10/26 ,  E21B10/32 ,  E21B29/10

Abstract: A method of removing a restriction in a tubular located in a well include s providing a drilling assembly with a drill bit and a reamer, the reamer ha ving a cutting structure for removing the restriction; drilling through a lo wer portion of the tubular; expanding the reamer at a location below the res triction; and urging the reamer back toward the restriction to remove the re striction.

公开(公告)号：CA2507787C

公开(公告)日：2008-09-23

申请号：CA2507787

申请日：2005-05-17

Applicant: WEATHERFORD LAMB

Inventor： ROBERTSON ROBERT E ,  HALFORD HUBERT E ,  CARTER THURMAN B JR ,  REDLINGER THOMAS M

IPC: E21B29/06 ,  E21B20060101 ,  E21B7/06 ,  E21B29/00 ,  E21B41/00

Abstract: A method is provided that allows the operator to re-enter a primary wellbore from a lateral wellbore after the lateral wellbore has been completed. The method generally comprises the steps of locating a cutting device such as a milling bit adjacent a tubular such as a liner within a wellbore, rotating the milling bit while maintaining an axial position of the milling bit relative to the liner to initiate an opening, and rotating and axially advancing the milling bit to complete the opening. In addition, a bottom hole assembly that facilitates re-entry into the primary wellbore from a lateral wellbore is provided. The bottom hole assembly generally includes a drill collar or other heavy pipe structure, and a mill. The mill has a body and cutting structures. The cutting structures apply lateral force against a surrounding pipe to form an initial lip through the wall of the pipe.

公开(公告)号：GB2414254B

公开(公告)日：2008-08-06

申请号：GB0510223

申请日：2005-05-19

Applicant: WEATHERFORD LAMB

Inventor： CARTER THURMAN B JR ,  ROBERTSON ROBERT E ,  HALFORD HUBERT EUGENE ,  REDLINGER THOMAS M

IPC: E21B7/06 ,  E21B20060101 ,  E21B29/00 ,  E21B29/06 ,  E21B41/00

公开(公告)号：CA2833943A1

公开(公告)日：2008-02-28

申请号：CA2833943

申请日：2007-08-21

Applicant: WEATHERFORD LAMB

Inventor： FISHER JERRY W ,  REDLINGER THOMAS M ,  WILSON CARL J ,  LAIRD MARY L

IPC: E21B31/00

Abstract: Apparatus and methods for selectively releasing a first wellbore component to a second wellbore component using a disconnect device. In one embodiment, the method includes coupling a disconnect device to a workstring and a downhole tool; performing a downhole operation using the downhole tool, and selectively releasing an upper portion of the disconnect device from a lower portion of the disconnect device, thereby releasing the downhole tool from the workstring. The method may also include reconnecting the upper portion of the disconnect device to the lower portion of the disconnect device. In one embodiment, the disconnect device is capable of transferring torque to the wellbore component.

公开(公告)号：GB2440817A

公开(公告)日：2008-02-13

申请号：GB0715115

申请日：2007-08-06

Applicant: WEATHERFORD LAMB

Inventor： SULLIVAN MICHAEL ,  REDLINGER THOMAS M ,  HALFORD HUBERT EUGENE ,  BAILEY THOMAS F

IPC: E21B29/00 ,  E21B10/46 ,  E21B10/54 ,  E21B10/55 ,  E21B10/60

Abstract: A tool for milling an item in a wellbore includes a number of cutting blades 210 which protrude from a surface 208 of the tool. The blades 210 are attached to the face 208 in a non-planar configuration which can be in the form of an L-shape (fig 7). A reinforcing member 216 may be present to prevent buckling of the blades 210.

公开(公告)号：CA2507787A1

公开(公告)日：2005-11-20

申请号：CA2507787

申请日：2005-05-17

Applicant: WEATHERFORD LAMB

Inventor： REDLINGER THOMAS M ,  HALFORD HUBERT E ,  CARTER THURMAN B JR ,  ROBERTSON ROBERT E

IPC: E21B20060101 ,  E21B7/06 ,  E21B29/00 ,  E21B29/06 ,  E21B41/00

Abstract: A method is provided that allows the operator to re-enter a primary wellbore from a lateral wellbore after the lateral wellbore has been completed. The method generally comprises the steps of locating a cutting device such as a milling bit adjacent a tubular such as a liner within a wellbore, rotating the milling bit while maintainin g an axial position of the milling bit relative to the liner to initiate an opening, an d rotating and axially advancing the milling bit to complete the opening. In addition, a bottom hole assembly that facilitates re-entry into the primary wellbore from a lateral wellbore is provided. The bottom hole assembly generally includes a drill collar or othe r heavy pipe structure, and a mill. The mill has a body and cutting structures. The cutting structures apply lateral force against a surrounding pipe to form an initial lip through the wall of the pipe.

公开(公告)号：NO335237B1

公开(公告)日：2014-10-27

申请号：NO20052415

申请日：2005-05-19

Applicant: WEATHERFORD LAMB

Inventor： HALFORD HUBERT EUGENE ,  ROBERTSON ROBERT EUGENE ,  CARTER THURMAN BEAMER ,  REDLINGER THOMAS M

IPC: E21B29/06 ,  E21B20060101 ,  E21B7/06 ,  E21B29/00 ,  E21B41/00

Abstract: Det er utviklet en metode som gjør det mulig for operatøren å gå inn igjen i et primært brønnhull fra et lateralt brønnhull etter at det laterale brønnhullet er blitt fullført. Metoden omfatter generelt steg for å lokalisere en skjæreanordning slik som et fresehode nært et rør slik som et foringsrør inne i et brønnhull, og rotasjon av fresehodet mens man opprettholder en aksial posisjon av fresehodet i forhold til foringsrøret for å initiere en åpning, og rotere og aksialt føre fresehodet fram for å fullføre åpningen. I tillegg omfatter metoden en nedre hullsammenstillling som forenkler gjeninnføringen i det primære brønnhullet fra et lateralt brønnhull. Den nedre hullsammenstilllingen omfatter generelt en drillkrage eller en armen tung rørstruktur, og en fresemaskin. Fresemaskinen har en kropp og skjærestrukturer. Skjærestrukturene påfører lateralt trykk mot et omliggende rør for å danne en innledende skjøt gjennom veggen av røret.

公开(公告)号：AU2013203056A1

公开(公告)日：2013-05-02

申请号：AU2013203056

申请日：2013-04-09

Applicant: WEATHERFORD LAMB

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

IPC: E21B10/32

Abstract: EXTENDABLE CUTTING TOOLS FOR USE IN A WELLBORE A tool (100) for use in a wellbore, comprising a first tubular body (5) having a bore therethrough and an opening (5o) through a wall thereof; a first arm (50a,b): pivotally connected to the body (5) or a first piston (10), disposed in the opening (5o) in a retracted position, and movable to an extended position where an outer surface of the first arm (50a,b) extends outward past an outer surface of the first tubular body (5); the first piston (10): disposed in the body (5) bore, having a bore therethrough, and operable to move the first arm (50a,b) from the retracted position to the extended position in response to fluid pressure in the first piston (10) bore exceeding fluid pressure in the opening (5o); a lock (230) operable to retain the first piston (10) in the retracted position; and a controller (325) operable to release the lock (230) in response to receiving a first instruction signal.

公开(公告)号：CA2791599A1

公开(公告)日：2013-04-21

申请号：CA2791599

申请日：2012-10-03

Applicant: WEATHERFORD LAMB

Inventor： HASHEM GHAZI J ,  BRUNNERT DAVID ,  KOCHERA JOHN W ,  MITCHELL MARK ,  FRILOT MELISSA A ,  REDLINGER THOMAS M

IPC: E21B17/00 ,  E21B17/06

Abstract: The present invention describes a drill pipe in which various sections of the pipe are strengthened, or their shape is altered, in order to improve the wear and buckle resistance of the drill pipe. The sections are strengthened using various hardening methods such as heat treatment processes and/or expansion techniques. A sleeve can also be applied to the strengthened portions. Surface enhancers, such as hardbanding, can be applied to the strengthened portions or the sleeve in order to provide abrasion resistance or to reduce friction. The present invention embodies a drill pipe in which various damaged sections of the pipe are repaired in order to maintain or improve the wear and buckle resistance of the drill pipe. The sections are strengthened using various hardening methods such as heat treatment processes and/or expansion techniques. A sleeve can also be applied to the strengthened portions. Surface enhancers, such as hardbanding, can be applied to the strengthened portions or the sleeve in order to provide abrasion resistance or to reduce friction.