E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/59
E21B 23/00 (2006.01) E21B 23/06 (2006.01) E21B 33/129 (2006.01)
Patent
CA 1230545
ELECTRIC WIRELINE PACKER RETRIEVER APPARATUS Abstract of the Disclosure In the field of well drilling, completion and produc- tion in the petroleum industry a particular type of retriev able packer is commonly set by the application of "pull- push" force which may be derived from a conventional elec- tric wireline setting tool of the pressurized type. The present invention provides a packer retrieving tool that is capable of effective use in retrieving the abovementioned type packer through use of "pull-push" forces derived from a conventional electric wireline setting tool. The retrieving tool of the present invention additionally includes effec- tive provisions to be utilized in the event of malfunction of the electric wireline setting tool.
486582
Smart & Biggar
Teledyne Industries Inc.
LandOfFree
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