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喷射-由引擎发动的旋喷

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由引擎发动的旋喷是一种[[Jetting - general|喷射技术]]，它使用引擎旋转钻柱并将泥浆抽出。现使用多种规格的由引擎发动的旋转钻井设备。在发展中国家使用的商业钻井设备为Lone Star 100、PAT Drill 201和 Deep Rock Hydra；还有很多其他类型。

虽然人们预计使用引擎比使用人工的优势更大，但就旋喷而言，其实两者用时相同，钻取的深度也相同。由引擎发动的技术只是在人类工程学方面的表现更胜一筹。

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|[[Image:Rotary rig in Chad.jpg|thumb|none|200px|Rotary rig in Chad|在乍得使用旋转钻机]]

===鸣谢===

* [http://www.lboro.ac.uk/well/resources/technical-briefs/43-simple-drilling-methods.pdf 43. Simple drilling methods|简易钻井方法.] WEDC.

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