Adjustable backing arrangement for pipe suspending slips

Details Adjustable backing arrangement for pipe suspending slips Adjustable backing arrangement for pipe suspending slips

E - Fixed Constructions

21

B

166/61

E21B 19/10 (2006.01) F16C 43/02 (2006.01)

Patent

CA 1166154

ADJUSTABLE BACKING ARRANGEMENT FOR PIPE SUSPENDING SLIPS Abstract A length-adjustable device (10) is provided for use in applying setting force to a set of pipe slips (60), e.g., in a petroleum well. Then, the length of the device (10) is adjusted (at 116, 122) and the device is installed on a seat (24) in the head (12) as a mechanical bridge between the set slips (60) and an axially presented surface (140) on an overlying part (70) of the wellhead. Due to this interposition, the slips (60) are prevented from losing gripping force as the suspended pipe expands and contracts.

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