Retrievable frac mandrel and well control stack to...

Details Retrievable frac mandrel and well control stack to... Retrievable frac mandrel and well control stack to...

E - Fixed Constructions

21

B

E21B 33/03 (2006.01) E21B 33/068 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2588324

A retrievable frac mandrel and a well control adapter are used to efficiently accomplish well completion, re-completion or workover. The retrievable frac mandrel is insorted in a tubing head spool of a well to be completed, re-completed or re-worked. The well control adapter is mounted to a top of the tubing head spool and seals off against a top of the retrievable frac mandrel. After well, completion, re-completion or workover is completed, the frac mandrel can be retrieved from the tubing head spool without killing or plugginq the well.

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