发明名称 Balanced continuous well string injection unit
摘要 A continuous well string injection unit and balancing system, in which the continuous well string injection unit is suspended using a sling connected to a pair of suspension points. The balancing system comprises a length-adjustable member connected to the rod injector at a third suspension point, and a controller for adjusting the length of the length-adjustable member.
申请公布号 US7318482(B2) 申请公布日期 2008.01.15
申请号 US20050138892 申请日期 2005.05.26
申请人 C-TECH OILWELL TECHNOLOGIES INC. 发明人 KULHANEK EMANUEL
分类号 E21B33/00 主分类号 E21B33/00
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