公开(公告)号：US10858917B2

公开(公告)日：2020-12-08

申请号：US16389188

申请日：2019-04-19

Applicant: CNPC Engineering Technology R&D Company Limited

Inventor： Quanli Zhang ,  Hongwei Yin ,  Wanjun Li ,  Huijuan Guo ,  Guojun Liu ,  Binggui Xu ,  Gang Chen ,  Yingjie Zhu ,  Gang Wang ,  Shaohua Zhou ,  Zhitong Liu ,  Yongliang Yu ,  Mingmin He ,  Tao Jia ,  Jianli Wang ,  Mingjie Lv ,  Fei He

IPC: E21B43/10 ,  E21B17/10 ,  E21B33/14

Abstract: The present invention discloses an expandable liner hanger system comprising a central pipe and an expandable pipe, with an expansion cone provided therebetween the central pipe and expandable pipe in a way that the expansion cone is movable along the central pipe, so that the expandable pipe is expanded; wherein, the expansion cone comprises an expansion cone seat move along the central pipe, and an expansion cone sleeve fitted over the expansion cone seat, the connection between the expansion cone seat and the expansion cone sleeve is configured in a way that the expansion cone sleeve can move upward together with the expansion cone seat along the central pipe so that the expandable pipe is expanded, and the central pipe can drive the expansion cone seat to disengage from the expansion cone sleeve.

公开(公告)号：US20200332629A1

公开(公告)日：2020-10-22

申请号：US16389188

申请日：2019-04-19

Applicant: CNPC Engineering Technology R&D Company Limited

Inventor： Quanli Zhang ,  Hongwei Yin ,  Wanjun Li ,  Huijuan Guo ,  Guojun Liu ,  Binggui Xu ,  Gang Chen ,  Yingjie Zhu ,  Gang Wang ,  Shaohua Zhou ,  Zhitong Liu ,  Yongliang Yu ,  Mingmin He ,  Tao Jia ,  Jianli Wang ,  Mingjie Lv ,  Fei He

IPC: E21B43/10 ,  E21B17/10

Abstract: The present invention discloses an expandable liner hanger system comprising a central pipe and an expandable pipe, with an expansion cone provided therebetween the central pipe and expandable pipe in a way that the expansion cone is movable along the central pipe, so that the expandable pipe is expanded; wherein, the expansion cone comprises an expansion cone seat move along the central pipe, and an expansion cone sleeve fitted over the expansion cone seat, the connection between the expansion cone seat and the expansion cone sleeve is configured in a way that the expansion cone sleeve can move upward together with the expansion cone seat along the central pipe so that the expandable pipe is expanded, and the central pipe can drive the expansion cone seat to disengage from the expansion cone sleeve.