公开(公告)号：CA2841649C

公开(公告)日：2016-06-28

申请号：CA2841649

申请日：2009-05-04

Applicant: WEATHERFORD/LAMB INC

Inventor： OLSTAD DELANEY MICHAEL ,  THOMPSON RUSSELL W ,  MORGAN RUSSELL LEE ,  HOLLINGSWORTH JIM ,  BOUTWELL DOYLE FREDERIC ,  HAYES MICHAEL ,  LIESS MARTIN ,  HOOKER JOHN D

IPC: E21B21/10 ,  E21B34/00

Abstract: A fill-up and circulation tool includes a mandrel; a packer assembly is disposed around the mandrel; and a valve assembly connected to the mandrel, wherein the valve assembly is configured to selectively control fluid flow into the tool and out of the tool.

公开(公告)号：NO341069B1

公开(公告)日：2017-08-21

申请号：NO20170080

申请日：2017-01-18

Applicant: WEATHERFORD/LAMB INC

Inventor： HAYES MICHAEL ,  THOMAS JR ALLEN KEITH ,  WIENS JIM

IPC: E21B3/04 ,  E21B19/06 ,  E21B19/16

公开(公告)号：NO20170080A1

公开(公告)日：2017-01-18

申请号：NO20170080

申请日：2017-01-18

Applicant: WEATHERFORD/LAMB INC

Inventor： HAYES MICHAEL ,  THOMAS JR ALLEN KEITH ,  WIENS JIM

IPC: E21B3/04 ,  E21B19/06 ,  E21B19/16

公开(公告)号：CA2768010C

公开(公告)日：2016-09-20

申请号：CA2768010

申请日：2006-12-12

Applicant: WEATHERFORD/LAMB INC

Inventor： ODELL ALBERT C II ,  GIROUX RICHARD LEE ,  LE TUONG THANH ,  THOMPSON GARY ,  HEIDECKE KARSTEN ,  LORENZ JOERG ,  BOUTWELL DOYLE FREDERIC JR ,  HAYES MICHAEL ,  PIETRAS BERND-GEORG

IPC: E21B19/06

Abstract: Methods and apparatus for running tubulars into and out of a wellbore. A gripping apparatus is activated with an actuator having a primary actuator and a redundant safety feature. The redundant safety feature may include one or more redundant fluid operated pistons. The gripping apparatus may include an integrated safety system adapted to prevent damage to the tubulars while making and breaking out connections between the tubulars and the tubular string.

公开(公告)号：NO340007B1

公开(公告)日：2017-02-27

申请号：NO20061472

申请日：2006-03-31

Applicant: WEATHERFORD/LAMB INC

Inventor： HAYES MICHAEL ,  THOMAS JR ALLEN KEITH ,  WIENS JIM

IPC: E21B19/06 ,  E21B3/04 ,  E21B19/16