发明名称 RISERLESS WELL SYSTEMS AND METHODS
摘要 A riserless well abandonment system includes a surface vessel, a first mast extending from the surface vessel, a second mast extending from the surface vessel, wherein the second mast is spaced from the first mast, a running tool extending from the first mast, wherein a subsea intervention device is coupled to the running tool, and a concentric drill string extending from the second mast, wherein the concentric drill string includes an inner drill pipe disposed within an outer drill pipe.
申请公布号 US2017058632(A1) 申请公布日期 2017.03.02
申请号 US201615242262 申请日期 2016.08.19
申请人 deBoer Luc 发明人 deBoer Luc
分类号 E21B33/138;E21B33/06;E21B33/064;E21B43/116;E21B33/035;E21B15/02;E21B3/02;E21B17/05;E21B7/128;E21B33/08 主分类号 E21B33/138
代理机构 代理人
主权项 1. A riserless well abandonment system, comprising: a surface vessel; a first mast extending from the surface vessel; a second mast extending from the surface vessel, wherein the second mast is spaced from the first mast; a running tool extending from the first mast, wherein a subsea intervention device is coupled to the running tool; and a concentric drill string extending from the second mast, wherein the concentric drill string comprises an inner drill pipe disposed within an outer drill pipe.
地址 Houston TX US