E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/07 (2006.01) E21B 17/06 (2006.01) E21B 23/02 (2006.01) E21B 43/10 (2006.01) F16L 27/12 (2006.01)
Patent
CA 2296195
A locking telescoping joint is for use in a conduit connected to a wellhead, which permits the conduit to be axially displaced to a new position in the well bore without disconnecting the conduit from the wellhead, and secured in the new position. The locking telescoping joint includes two telescopically interconnected tubular sections which are relatively movable between a fully retracted and a fully extended position and can be locked in a desired position. In contrast with telescoping joints without the locking function which is useful to axially display downhole tools attached to the bottom end of the conduit. The locking telescoping joint enables the use of the telescoping joint to be extended into new applications, such as placing and maintaining a tubing string in tension or compression. The use of the locking telescoping joint reduces the time and cost of many well completion and maintenance operations and thereby reduces the cost of producing hydrocarbons.
Haynes Michael Jonathon
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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