发明名称 DUAL SEAL TUBING HANGER
摘要 <p>A dual seal system and related method seal a tubing hanger. In an embodiment, a dual seal tubing hanger includes a hanger body. The dual seal tubing hanger also includes an upper body seal and an upper body seal ring. The upper body seal is disposed between the hanger body and the upper body seal ring. In addition, the dual seal tubing hanger includes a lower body seal and a lower body seal ring. The lower body seal is disposed between the lower body seal ring and the hanger body. The upper body seal and the upper body seal ring are disposed on an opposing end of the hanger body from the lower body seal and the lower body seal ring.</p>
申请公布号 CA2820561(A1) 申请公布日期 2012.06.14
申请号 CA20112820561 申请日期 2011.11.30
申请人 PETROHAWK PROPERTIES, LP 发明人 KENNEDY, JIMMY L.
分类号 E21B33/10;B23P11/02 主分类号 E21B33/10
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