faster drilling techniques 快速钻井技术
However, the flip side of the equation is faster drilling from the U. s.
但天平的另一方面,则是美国钻探速度加快,钻井数量持续增加。
Potter Drilling of California uses jets of superheated fluid to break through granite five times faster than traditional techniques, which don't do well against hard rock types.
加利福尼亚的Potter Drilling5次使用过热液体穿透花岗岩,花费时间比传统工业快很多,不过这种工艺在试用硬质岩石时表现不佳。
Comparing with common milling shoes, this new type of milling shoes has faster milling rate and longer life and has an important effect on reducing drilling costs.
与普通磨鞋相比,该磨鞋磨削速度快、使用寿命长,对降低钻井成本具有积极意义。
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