Research Article
Unit Quaternion Description Method for Detecting High-Temperature Geothermal Well Drilling Conditions
Table 1
Operating parameters in the experiment.
| Index | Operating parameters | Objective |
| Wind pressure | 2 MPa | — | Air quantity | Determinate the air quantity≥20.3m2/min | Drive hammerhead rock breaking, high speed up, and back to bring out rock debris etc | Drilling pressure | 7-20 kN | High efficiency lithoclastic | Rotation rate | 37 rpm | Prevent excessive torque from breaking |
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