APPARATUS AND METHOD FOR SEVERING A WELLBORE TUBULAR
摘要
<p>An apparatus (301) for severing a wellbore tubular, which apparatus comprises at least one blade (310) for shearing said wellbore tubular, characterised in that said apparatus further comprises a projection (312) , in use moveable so as to reduce the structural strength of said wellbore tubular in an area where said wellbore tubular is to be severed.</p>
申请公布号
WO2007122365(A1)
申请公布日期
2007.11.01
申请号
WO2006GB50478
申请日期
2006.12.27
申请人
VARCO I/P, INC.;LUCAS, BRIAN;SPRINGETT, FRANK, BENJAMIN;BRUGMAN, JAMES, DENNIS
