Wellhead isolation tool

Details Wellhead isolation tool Wellhead isolation tool

E - Fixed Constructions

21

B

166/62

E21B 23/00 (2006.01) E21B 33/068 (2006.01) E21B 33/128 (2006.01)

Patent

CA 1281997

ATTACHMENT B ABSTRACT A wellhead isolation tool is presented which includes an expanding nipple operable from outside the wellhead and casing, the nipple and its concentric mandrels being inserted into the wellhead and thus down through the wellhead array and into the casing or tubing by a single hydraulic cylinder and then the nipple expanded and sealed in the casing or tubing. The cylinder and its support rods may be removed when the nipple and mandrels are in place.

581611

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