发明名称 WIRELINE ENTRY SUB
摘要 <p>A wireline entry sub includes a body having an upper end, a lower end and a longitudinal, center axis therebetween, the body adapted for use with a wellbore string of tubulars; a slot on the body open a depth from a body outer surface to at least the longitudinal center axis; a wireline entry port extending through the body from the slot to open adjacent the lower end; and a wireline pulling device on the sub body to apply pulling force to a wireline.</p>
申请公布号 WO2007009246(A1) 申请公布日期 2007.01.25
申请号 WO2006CA01188 申请日期 2006.07.17
申请人 TESCO CORPORATION;ANGMAN, PER, G. 发明人 ANGMAN, PER, G.
分类号 E21B19/02;E21B19/22;E21B23/00;E21B23/14;E21B33/072 主分类号 E21B19/02
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