公开(公告)号：CA2709446A1

公开(公告)日：2007-07-11

申请号：CA2709446

申请日：2007-01-10

Applicant: WEATHERFORD LAMB

Inventor： HOLLINGSWORTH JIMMY L JR ,  HEIDECKE KARSTEN ,  WOOD KEVIN

IPC: E21B19/16

Abstract: A method of protecting one or more compensation cylinders for use at a wellbore, comprising: monitoring a pressure in one or more compensator cylinders during tubular handling operations; communicating the pressure to a controller; performing an action when the pressure reaches a predetermined value, wherein the action is initiated by the controller.

公开(公告)号：CA2709446C

公开(公告)日：2012-10-23

申请号：CA2709446

申请日：2007-01-10

Applicant: WEATHERFORD LAMB

Inventor： HOLLINGSWORTH JIMMY L JR ,  HEIDECKE KARSTEN ,  WOOD KEVIN

IPC: E21B19/16

Abstract: A method and apparatus for connecting a tubular to a tubular string. An assembly for engaging, compensating and connecting a tubular is provided. The assembly comprises one or more compensating pistons, an engaging assembly for engaging a tubular and a connector for connecting the engaging assembly to the one or more compensating pistons while allowing for rotation of the tubular relative to the compensation pistons.

公开(公告)号：CA2573563C

公开(公告)日：2010-10-12

申请号：CA2573563

申请日：2007-01-10

Applicant: WEATHERFORD LAMB

Inventor： HOLLINGSWORTH JIMMY L JR ,  HEIDECKE KARSTEN ,  WOOD KEVIN

IPC: E21B19/16

Abstract: A method and apparatus for connecting a tubular to a tubular string. An assembly for engaging, compensating and connecting a tubular is provided. The assembly comprises one or more compensating pistons, an engaging assembly for engaging a tubular and a connector for connecting the engaging assembly to the one or more compensating pistons while allowing for rotation of the tubular relative to the compensation pistons.

公开(公告)号：DE602007001152D1

公开(公告)日：2009-07-09

申请号：DE602007001152

申请日：2007-01-09

Applicant: WEATHERFORD LAMB

Inventor： HOLLINGSWORTH JIMMY L JR ,  HEIDECKE KARSTEN ,  WOOD KEVIN

IPC: E21B19/00 ,  E21B19/086 ,  E21B19/09 ,  E21B19/16

Abstract: A method of protecting one or more compensation cylinders for use at a wellbore, comprising: monitoring a pressure in one or more compensator cylinders during tubular handling operations; communicating the pressure to a controller; performing an action when the pressure reaches a predetermined value, wherein the action is initiated by the controller.

公开(公告)号：CA2573563A1

公开(公告)日：2007-07-11

申请号：CA2573563

申请日：2007-01-10

Applicant: WEATHERFORD LAMB

Inventor： HOLLINGSWORTH JIMMY L JR ,  WOOD KEVIN ,  HEIDECKE KARSTEN

IPC: E21B19/16

Abstract: A method and apparatus for connecting a tubular to a tubular string. An assembly for engaging, compensating and connecting a tubular is provided. Th e assembly comprises one or more compensating pistons, an engaging assembly fo r engaging a tubular and a connector for connecting the engaging assembly to t he one or more compensating pistons while allowing for rotation of the tubular relativ e to the compensation pistons.