E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/63
E21B 33/12 (2006.01) E21B 33/1295 (2006.01)
Patent
CA 2030828
A packing assembly, which may be in the form of a bridge plug (10) or a packer, is connectable to reeled tubing and can be inserted in and pushed through a wellbore tube by the reeled tubing. The Backing assembly is hydraulically set in a locking and sealing position in the wellbore by fluid introduced from the reeled tubing and, after use, can be hydraulically released and removed from the wellbore. An actuating apparatus is provided for hydraulically actuating the packing assembly and can be converted in a manner to pull the packing assembly from the wellbore. Prior to the removal of the packing assembly from the wellbore, the wellbore fluid pressure is equalized across the packing assembly.
Fischer Ronald J.
Harrison Robert Dwane Jr.
Pleasants Charles W.
Setterberg John Richard Jr.
White Pat Murphy
Halliburton Energy Services Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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