Wellhead

Details Wellhead Wellhead

E - Fixed Constructions

21

B

E21B 33/035 (2006.01) E21B 33/03 (2006.01) E21B 33/043 (2006.01) E21B 33/047 (2006.01) E21B 34/02 (2006.01)

Patent

CA 2116873

A wellhead has, instead of a conventional Christmas tree, a spool tree (34) in which a tubing hanger (54) is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the production casing hanger (21) for monitoring production casing annulus pressure, and the introduction of larger tools into the well hole without breaching the integrity of the well.

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