发明名称 DUAL-DRIVE WINCH SYSTEM ADAPTED FOR WELL LOGGING APPLICATIONS
摘要 A winch system is disclosed which includes a first drum rotatably supported in a cradle, a second drum rotatably supported in the cradle axially alongside th e first drum and rotatable independently of the first drum, and a drive system selectivel y connectible to the first drum and the second drum. In one embodiment, the first drum is rotatably supported at one end by a first bearing in one and of the cradle, the second drum is rotatably supported at one end by a second bearing in another end of the cradle, and the second drum is rotatably supported at another end by at least one bearing in a support bore in the first drum.
申请公布号 CA2354592(A1) 申请公布日期 2002.02.02
申请号 CA20012354592 申请日期 2001.08.01
申请人 SCHLUMBERGER CANADA LIMITED 发明人 NOLD, RAYMOND V., III
分类号 B66D1/16;B66D1/26;B66D1/30;E21B19/00;(IPC1-7):B66D1/00 主分类号 B66D1/16
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