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美国休斯工具公司研制成一种BJ钻井动力水龙头。据该公司宣称,这种动力水龙头具有三大优点:1.与一般动力水龙头相比,增加了一个7英尺(2.13m)长的钻井短节;2.起下钻装置可以卸下;3.扭矩扳手不易发生旋转。这样就解决了一般动力水龙头使用中所存在的问题。
Hughes Tools Company developed a BJ drilling power faucet. According to the company, the power faucet has three major advantages: 1. An additional 7 ft (2.13 m) of drill short section is added compared to a normal power faucet; 2. The lower drilling unit can be removed; Torque wrench is not easy to rotate. This solves the general power faucet problems in use.