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。
The multi-process no-circulation foundation drilling techniques is highly adaptable to various formations, and drills faster than the conventional methods by 2 to 4 times.
多工艺旋挖钻进技术工艺适应地层能力强，比传统的钻进工艺方法可以提高钻进速度24倍以上。
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