Unit Quaternion Description Method for Detecting High-Temperature Geothermal Well Drilling Conditions

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Index</td><td class="align_center">Operating parameters</td><td class="align_center">Objective</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Wind pressure</td><td class="align_center">2 MPa</td><td class="align_center">—</td></tr><tr><td class="align_left">Air quantity</td><td class="align_center">Determinate the air quantity≥20.3m<sup>2</sup>/min</td><td class="align_center">Drive hammerhead rock breaking, high speed up, and back to bring out rock debris etc</td></tr><tr><td class="align_left">Drilling pressure</td><td class="align_center">7-20 kN</td><td class="align_center">High efficiency lithoclastic</td></tr><tr><td class="align_left">Rotation rate</td><td class="align_center">37 rpm</td><td class="align_center">Prevent excessive torque from breaking</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Operating parameters in the experiment.</div>

Geofluids

tab1

Table 1

Table 1: Unit Quaternion Description Method for Detecting High-Temperature Geothermal Well Drilling Conditions 