Microscopic Flow Characteristics of Fluids in Porous Medium and Its Relationship with Remaining Oil Distribution: A Case Study in Saertu Oilfield of Daqing in China

<table class="fixed-width table-group" id="tab5"><tr><td><table class="table"><colgroup><col style="width:7.96em"/><col style="width:7.96em"/><col style="width:7.96em"/><col style="width:7.96em"/><col style="width:7.96em"/><col style="width:7.96em"/><col style="width:7.96em"/><col style="width:7.96em"/></colgroup><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Sample number</td><td class="align_center">Horizon</td><td class="align_center">Bound state remaining oil (%)</td><td class="align_center">Semibound state remaining oil (%)</td><td class="align_center">Free state remaining oil (%)</td><td class="align_center">Movable remaining oil (%)</td><td class="align_center">Water cut (%)</td><td class="align_center">Flushing degree</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">(1)</td><td class="align_center">PI<sub>2</sub></td><td class="align_center">17.99</td><td class="align_center">1.36</td><td class="align_center">80.65</td><td class="align_center">36.89</td><td class="align_center">7</td><td class="align_center">Low</td></tr><tr><td class="align_left">(2)</td><td class="align_center">PI<sub>7</sub></td><td class="align_center">39.89</td><td class="align_center">1.79</td><td class="align_center">58.31</td><td class="align_center">3.54</td><td class="align_center">76</td><td class="align_center">High</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The remaining oil distribution and displacement efficiency in different microscopic flow field.</div>

Geofluids

tab5

Table 5

Table 5: Microscopic Flow Characteristics of Fluids in Porous Medium and Its Relationship with Remaining Oil Distribution: A Case Study in Saertu Oilfield of Daqing in China 

Table 5 | Microscopic Flow Characteristics of Fluids in Porous Medium and Its Relationship with Remaining Oil Distribution: A Case Study in Saertu Oilfield of Daqing in China 