Locking device for use in well tubing

Details Locking device for use in well tubing Locking device for use in well tubing

E - Fixed Constructions

21

B

166/42, 238/58

E21B 23/02 (2006.01)

Patent

CA 1049928

LOCKING DEVICE FOR USE IN WELL TUBING Abstract of the Disclosure. An unitary tubular locking member is rotatably mounted on a mandrel along with sleeve means for pivoting the locking member into abutting engagement inside a landing nipple in a tubing string. 1a

250333

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