Abstract
A surface wellhead assembly having an inner tubular insertable into an outer tubular, is described. A tubing hanger is provided on an outer surface of the tubing head housing for sealing between the hanger and housing. The contact sealing of tubing hanger has a shepherd.
When the inner tubular member is landed, a portion of the shepherd radius adjacent to the outer taper seal of tubing housing tapers radially inward into sealing contact when the tubing hanger or tubing housing is not perfect perpendicular.
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Recommended Citation
"Spherical Radius Hanger", Technical Disclosure Commons, (September 22, 2024)
https://www.tdcommons.org/dpubs_series/7370
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