Development and Application of the Downhole Drilling String Shock-Absorption and Hydraulic Supercharging Device

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Well ID number</td><td class="align_center">Interval/m</td><td class="align_center">Formation</td><td class="align_center">Drill model</td><td class="align_center">Speed/m/h</td><td class="align_center">Speed comparison</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">KS502</td><td class="align_center">1794–1966</td><td class="align_center" rowspan="3">Kuche</td><td class="align_center">T1665GY</td><td class="align_center">2</td><td class="align_center"> </td></tr><tr><td class="align_left">KS5</td><td class="align_center">1892–2011</td><td class="align_center">M1665SSCR</td><td class="align_center">1.44</td><td class="align_center">+39%</td></tr><tr><td class="align_left">KS501</td><td class="align_center">1868–1988</td><td class="align_center">CK506DKG</td><td class="align_center">1.14</td><td class="align_center">+75%</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of mechanical drilling speed of KS502 with adjacent wells.

Shock and Vibration

tab4

Table 4

Table 4: Development and Application of the Downhole Drilling String Shock-Absorption and Hydraulic Supercharging Device 