E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/68
E21B 17/00 (2006.01) E21B 33/04 (2006.01) E21B 43/10 (2006.01)
Patent
CA 1203162
METHOD AND APPARATUS FOR ROTATING AND RECIPROCATING WELL BORE LINER Abstract of the Disclosure Method and apparatus for supporting a liner so that the work string which lowers the liner into a well can be manipulated to selectively rotate and/or reciprocate the liner before hanging it on a casing in a well bore and for rotating the liner after it is hung on the casing.
455481
Riches Mckenzie & Herbert Llp
Texas Iron Works Inc.
LandOfFree
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