Latching production seal assembly

Details Latching production seal assembly Latching production seal assembly

E - Fixed Constructions

21

B

166/63

E21B 23/00 (2006.01) E21B 17/06 (2006.01) E21B 23/02 (2006.01) E21B 33/10 (2006.01) E21B 43/10 (2006.01)

Patent

CA 1264291

ABSTRACT A retrievable production seal assembly is shown for engaging and sealing within the internal bore of the liner within a well. A special latch mechanism carried on the seal assembly includes an externally threaded latch collet which can be stabbed into the setting sleeve threads which are normally provided in the interior of the liner for use with the running tool which installs the liner in the well bore. The seal assembly can be released by right hand rotation of the tubing string leading to the well surface, or by setting down weight on the tubing string, followed by a straight pull on the tubing string.

514559

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