公开(公告)号：WO2018071444A1

公开(公告)日：2018-04-19

申请号：PCT/US2017/055978

申请日：2017-10-10

Applicant: CAMERON INTERNATIONAL CORPORATION

Inventor： NGUYEN, Dennis P. ,  NGUYEN, KyThu Do ,  WHITEMAN, Jordan Alan

IPC: E21B23/02 ,  E21B33/04

CPC classification number: E21B33/03 ,  E21B23/02 ,  E21B33/04

Abstract: A load shoulder assembly is provided to land a component in a bore of a mineral extraction system. The load shoulder assembly includes a housing and a retractable shoulder assembly disposed in the housing. The retractable shoulder assembly is configured to selectively move a load shoulder surface between a retracted position and an extended position relative to the bore.

Abstract translation: 提供负载台肩组件以将组件放置在矿物提取系统的孔中。 负载肩部组件包括壳体和设置在壳体中的可缩回肩部组件。 可缩回的肩部组件构造成选择性地使负载肩表面相对于孔在缩回位置和延伸位置之间移动。