Casing hanger seal with test port

Details Casing hanger seal with test port Casing hanger seal with test port

E - Fixed Constructions

21

B

E21B 33/02 (2006.01) E21B 33/04 (2006.01) E21B 47/10 (2006.01) E21B 33/00 (2006.01)

Patent

CA 2105008

ABSTRACT OF THE DISCLOSURE A casing hanger seal has facilities to enable periodic testing from the exterior of the wellhead housing. The casing hanger seal has inner and outer walls separated by a cavity. An energizing member moves downward to force the inner and outer walls into engagement with the casing hanger and bore of the wellhead housing. Test passages extend through the inner and outer walls, energizing member, and wellhead housing. The test passages divide the seal member into primary and secondary seal areas. Test fluid applied from exterior applies to the test passages determines if leakage exists.

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