E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/64
E21B 33/128 (2006.01) E21B 23/06 (2006.01) E21B 33/129 (2006.01)
Patent
CA 1096302
ABSTRACT OF THE DISCLOSURE A well packer has a casing engaging slip mechanism and a packing element carried on a tubular body which is released from the slip assembly enabling setting of the slips and packing by an upward pull on a running in string of pipe. The body and the ex- pander for the slips are locked to hold the packer set. A length of tubing extends through a seal in the body and is released to be slideable in the body enabling temperature change responsive elon- gation and contraction of the running pipe, without affecting the packer, A shearable release enables retrieval of the packer assem- bly by pulling on the running pipe. An emergency release of the running pipe is accomplished by releasing a guide on the end of the slideable tubing.
317212
Bigelow Eugene H.
Goldsmith Burton J.
Baker International Corp.
Borden Ladner Gervais Llp
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