| 单词 | rotary drilling |
| 释义 | rotary drilling in the Oil and Gas Industry (roʊtəri drɪlɪŋ) noun (Extractive engineering: Field development, Drilling) drilling Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole. With rotary drilling, a hole is drilled by the continuous turning of a drill bit. Rotary drilling employs a rotating bit and drilling mud to cut through rock formations. Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole. |
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