Asphaltene Deposition during CO<sub>2</sub> Flooding in Ultralow Permeability Reservoirs: A Case Study from Changqing Oil Field

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Order</td><td class="align_center">Asphaltene content (wt%)</td><td class="align_center">Pressure range (MPa)</td><td class="align_center">Temperature range (°C)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">0.93</td><td class="align_center">8-20</td><td class="align_center">50</td></tr><tr><td class="align_left">2</td><td class="align_center">0.93</td><td class="align_center">15</td><td class="align_center">30-90</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>CO<sub>2</sub>-oil microscopic solid detection parameters.</div>

Geofluids

tab3

Table 3

Table 3: Asphaltene Deposition during CO<sub>2</sub> Flooding in Ultralow Permeability Reservoirs: A Case Study from Changqing Oil Field 

Geofluids

Asphaltene Deposition during CO2 Flooding in Ultralow Permeability Reservoirs: A Case Study from Changqing Oil Field

Table 3

Asphaltene Deposition during CO₂ Flooding in Ultralow Permeability Reservoirs: A Case Study from Changqing Oil Field