发明名称 Integral orientation system for horizontal tree tubing hanger
摘要 A horizontal tree has a lateral passage extending from its bore. A tubing hanger having a lateral passage lands in the bore of the tree. The tubing hanger has an orientation guide mounted to it. A retractable pin is mounted in the sidewall of the tree. The orientation guide on the tubing hanger engages the pin to rotate the tubing hanger as it is being landed.
申请公布号 US7770650(B2) 申请公布日期 2010.08.10
申请号 US20060541765 申请日期 2006.10.02
申请人 VETCO GRAY INC. 发明人 YOUNG STUART F.;LORD MARTYN J.
分类号 E21B41/04 主分类号 E21B41/04
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