Invention Grant
- Patent Title: Apparatus for retaining two strings of tubulars
- Patent Title (中): 用于保持两根管状管的装置
-
Application No.: US11552023Application Date: 2006-10-23
-
Publication No.: US07673691B2Publication Date: 2010-03-09
- Inventor: Manfred Jansch
- Applicant: Manfred Jansch
- 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: DE19747468 19971028
- Main IPC: E21B33/047
- IPC: E21B33/047

Abstract:
An apparatus for retaining two strings of tubulars characterized in that said apparatus comprises body parts of a device for retaining a single string of tubulars and a converting member. A device for retaining a string of tubulars, said device comprising at least one body part having a curved tapered surface upon which inserts are located for engagement with said string of tubulars characterized in that said curved tapered surface comprises a recess for the passage of cables.
Public/Granted literature
- US20070102162A1 APPARATUS FOR RETAINING TWO STRINGS OF TUBULARS Public/Granted day:2007-05-10
Information query