发明名称 Downhole motor with an enlarged connecting rod housing
摘要 A bottom hole assembly is disclosed consisting of a downhole motor having a drill bit connected to its lower end and a bent sub attached to its upper end. The downhole motor includes a motor housing, a connecting rod housing and a bearing housing. The connecting rod housing has a bend angle formed on the housing, which is enlarged to enable the connecting rod to be tilted at a larger angle than otherwise possible. The enlarged connecting rod housing also functions as a near bit stabilizer.
申请公布号 US4962818(A) 申请公布日期 1990.10.16
申请号 US19900500321 申请日期 1990.03.28
申请人 SMITH INTERNATIONAL, INC. 发明人 DELUCIA, FRANK
分类号 E21B4/02;E21B7/06;F03B13/02 主分类号 E21B4/02
代理机构 代理人
主权项
地址