<p>A wellhead assembly including a wellhead housing. The wellhead housing comprises a throughbore having a recessed sealing area and a tubing hanger positioned in the throughbore. A seal is positioned between the wellhead housing and the tubing hanger, the seal being positioned so as to form a gap between the seal and the wellhead housing. The wellhead assembly can further include a seal energizer capable of moving relative to the seal in a manner that forces the seal against the wellhead housing to bridge the gap. A method of installing a tubing hanger into a throughbore of a wellhead housing is also disclosed.</p>
申请公布号
WO2010022167(A1)
申请公布日期
2010.02.25
申请号
WO2009US54337
申请日期
2009.08.19
申请人
AKER SUBSEA INC.;DYSON, ANDY;LI, CHARLES;MOGEDAL, OYSTEIN;PAULO, PAULO;NEWLANDS, NICK
发明人
DYSON, ANDY;LI, CHARLES;MOGEDAL, OYSTEIN;PAULO, PAULO;NEWLANDS, NICK