Invention Grant
- Patent Title: Methods and apparatus for connecting tubulars using a top drive
- Patent Title (中): 使用顶部驱动器连接管道的方法和装置
-
Application No.: US12615047Application Date: 2009-11-09
-
Publication No.: US08132626B2Publication Date: 2012-03-13
- Inventor: Bernd-Georg Pietras
- Applicant: Bernd-Georg Pietras
- Applicant Address: US TX Houston
- Assignee: Weatherford/Lamb, Inc.
- Current Assignee: Weatherford/Lamb, Inc.
- Current Assignee Address: US TX Houston
- Agency: Patterson & Sheridan, LLP
- Priority: GB9818363.5 19980824
- Main IPC: E21B19/16
- IPC: E21B19/16
Abstract:
A connection apparatus for coupling a top drive to a tubular gripping member comprises a body having a first joint coupled to the top drive and a second joint coupled to the tubular gripping member, wherein the body is adapted to allow fluid communication between the top drive and the tubular gripping member and to allow relative movement between the top drive and the tubular gripping member.
Public/Granted literature
- US20100051257A1 METHODS AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE Public/Granted day:2010-03-04
Information query
