发明名称 Protective sleeve for threated connections for expandable liner hanger
摘要 <p>An apparatus, comprising: a tubular sleeve; a first tubular member coupled to an end of the tubular sleeve comprising internal threads at an end portion; and a second tubular member coupled to another end of the tubular sleeve comprising external threads at an end portion that engage the internal threads of the end portion of the first tubular member; wherein the tubular sleeve is in circumferential tension; wherein the end portion of the first tubular member is in circumferential compression; and wherein the end portion of the second tubular member is in circumferential compression.</p>
申请公布号 EP1985798(A2) 申请公布日期 2008.10.29
申请号 EP20080001133 申请日期 2003.03.04
申请人 ENVENTURE GLOBAL TECHNOLOGY 发明人 COSTA, SCOTT;HOCKADAY, JOEL, GRAY;WADDELL, KEVIN, K.;RING, LEV;BULLOCK, MICHAEL;COOK, ROBERT, LANCE;KENDZIORA, LARRY;BRISCO, DAVID, PAUL;JACKSON, TANCE
分类号 B21D;E21B43/10;E21B17/042;E21B17/10;E21B19/16 主分类号 B21D
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