发明名称 ADJUSTABLE BENT HOUSING
摘要 An adjustable bent housing consisting of three tubular members arranged in end to end relation. Each of the tubular members has an interior bore. A first tubular member has a first axis. A second tubular member has a second axis. A central tubular member is centrally disposed between the first tubular member and the second tubular member and has a third axis. An internal tubular member extends into and engages the interior bores of the three tubular members thereby maintaining the tubular members in end to end relation.
申请公布号 CA2044945(C) 申请公布日期 1997.11.25
申请号 CA19912044945 申请日期 1991.06.19
申请人 VECTOR OIL TOOL LTD. 发明人 FOOTE, DEAN;WENZEL, KENNETH HUGO
分类号 E21B7/06;E21B7/08;(IPC1-7):E21B7/04 主分类号 E21B7/06
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