Contact Resistance between Calcareous Sand and Electrodes Based on the Two-Electrode Method

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Particle size (mm)</td><td class="align_center">The contact resistances (k<i>Ω</i>)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">1-1.5</td><td class="align_center">0.3962</td></tr><tr><td class="align_left">1.5-2</td><td class="align_center">0.4673</td></tr><tr><td class="align_left">2-2.5</td><td class="align_center">0.6324</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Particle size and resistivity data with saturation of 0.4.</div>

Geofluids

tab3

Table 3

Table 3: Contact Resistance between Calcareous Sand and Electrodes Based on the Two-Electrode Method 