发明名称 Method and apparatus for removing unexpanded shoe
摘要 A method of removing an unexpanded shoe comprises disposing a tool in a wellbore. The tool includes a latch assembly and a mill body. The latch assembly is engaged with a shoe assembly that is coupled to the wellbore by a tubular having an expanded portion and an unexpanded portion. The mill body is rotated relative to the latch assembly so as to mill the unexpanded portion of the tubular until the shoe assembly is uncoupled from the wellbore. The tool and the shoe assembly are then pulled through the expanded portion and out of the wellbore.
申请公布号 US9080402(B2) 申请公布日期 2015.07.14
申请号 US201414196003 申请日期 2014.03.04
申请人 ENVENTURE GLOBAL TECHNOLOGY, INC. 发明人 Connor Eric James;Chowdhary Harsh V.;Bennett Frederick C.;Boddeda Nanda K.;Robinson Ronald T.
分类号 E21B29/00;E21B17/14;E21B23/00;E21B31/16;E21B43/10 主分类号 E21B29/00
代理机构 Porter Hedges LLP 代理人 Forinash Derek V.;Porter Hedges LLP
主权项 1. A method of removing an unexpanded shoe comprising: disposing a tool in a wellbore, wherein the tool includes a latch assembly and a mill body; engaging a shoe assembly with the latch assembly, wherein the shoe assembly is coupled to the wellbore by a tubular having an expanded portion and an unexpanded portion; translating and rotating the mill body relative to the latch assembly so as to mill the unexpanded portion of the tubular until the shoe assembly is uncoupled from the wellbore; and pulling the tool and the shoe assembly through the expanded portion and out of the wellbore.
地址 Houston TX US