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* [http://www.pat-drill.com PAT-钻井] — 发动机驱动的钻井设备与小型机器.
* [http://www.lonestarbit.com Lone Star BitBit（孤星钻头）] — 发动机驱动的钻井设备与小型机器.
* [http://www.deeprock.com Deep RockRock（深石）] — 发动机驱动的钻井设备与小型机器.
* [http://www.drillingfab.com DrillingfabDrillingfab（绝好钻井）.] — 发动机驱动的钻井设备与小型机器.
===鸣谢===
* [http://www.lboro.ac.uk/well/resources/technical-briefs/43-simple-drilling-methods.pdf 43. 简易钻井方法.] WEDC.
