Numerical Analysis of the Stress Distribution and Concentration Factors of the Tool Joint of the Directional Drill Pipe

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Serial number</td><td class="align_center">Main specifications</td><td class="align_center">Parameters</td><td class="align_center">Units</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">Resistance value</td><td class="align_center">120.2 ± 0.1</td><td class="align_center">Ω</td></tr><tr><td class="align_left">2</td><td class="align_center">Gage factor</td><td class="align_center">2.22 ± 1%</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The specification of foil gauge.</div>

Mathematical Problems in Engineering

tab5

Table 5

Table 5: Numerical Analysis of the Stress Distribution and Concentration Factors of the Tool Joint of the Directional Drill Pipe 