发明名称 Liner Hanger and Method for Installing a Wellbore Liner
摘要 A liner hanger assembly to run-in a liner on a liner hanger, cement the liner in place and set the liner hanger in one trip. Then, a wellbore treatment process can proceed while the running string remains downhole or via a second trip. The liner hanger assembly includes a liner hanger running tool and a liner hanger.
申请公布号 US2015034337(A1) 申请公布日期 2015.02.05
申请号 US201314090661 申请日期 2013.11.26
申请人 RESOURCE WELL COMPLETION TECHNOLOGIES INC. 发明人 Hughes John;Schmidt James Wilburn;D'Arcy Shane
分类号 E21B43/10 主分类号 E21B43/10
代理机构 代理人
主权项 1. A liner hanger assembly comprising: a liner hanger running tool and a liner hanger; the liner hanger running tool including: a tubular body including a base end for connection to a running string, an outboard end and an inner diameter;a connector on the outboard end for releasably engaging the liner hanger, the connector including a first J-type connection structure; andthe liner hanger including: a mandrel with an outer surface, an upper end including a running tool connector including a second J-type connection structure for releasable connection with the first J-type connection structure, a lower end including a liner connector and an inner bore passing through the mandrel, extending from the upper end to the lower end;a setting mechanism on the outer surface for setting the liner hanger in a well; anda hydraulic piston for driving the setting mechanism to set in response to a pressure applied through the inner bore and communicated to the hydraulic piston.
地址 Calgary CA