APPARATUS FOR RETAINING TWO STRINGS OF TUBULARS

• US 20070102162A1
• Filed: 10/23/2006
• Published: 05/10/2007
• Est. Priority Date: 10/28/1997
• Status: Active Grant

• Current Assignee: Weatherford Technology Holdings, LLC (Weatherford International PLC)
• Original Assignee: Weatherford/Lamb Incorporated (Weatherford International PLC)
• Inventors: Jansch, Manfred
• Granted Patent: US 7,673,691 B2
• Time in Patent Office: Days
• US Class Current: 166/382
• CPC Class Codes: E21B 19/06 Elevators, i.e. rod- or tube-gripping devices
• CPC Class Codes: E21B 19/07 Slip-type elevators
• CPC Class Codes: E21B 19/10 Slips; Spiders ; Catching devices rotary tables with master bushing or kelly bushing E21B3/04
• CPC Class Codes: E21B 33/0407 with a suspended electrical cable
• CPC Class Codes: E21B 33/047 for plural tubing strings

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.

Claims

1. An apparatus for retaining a tubular.