Effect of Microscopic Pore Throat Structure on Displacement Characteristics of Lacustrine Low Permeability Sandstone: A Case Study of Chang 6 Reservoir in Wuqi Oilfield, Ordos Basin

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Layer</td><td class="align_center">Intergranular pores (%)</td><td class="align_center">Feldspar dissolved pores (%)</td><td class="align_center">Lithic fragment dissolved pores (%)</td><td class="align_center">Intercrystalline pores (%)</td><td class="align_center">Microcracks (%)</td><td class="align_center">Areal porosity rate (%)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Chang 6</td><td class="align_center">1.4</td><td class="align_center">0.4</td><td class="align_center">0.1</td><td class="align_center">0.1</td><td class="align_center">0.0</td><td class="align_center">2.1</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Statistical table of proportion of pore types.</div>

Geofluids

tab2

Table 2

Table 2: Effect of Microscopic Pore Throat Structure on Displacement Characteristics of Lacustrine Low Permeability Sandstone: A Case Study of Chang 6 Reservoir in Wuqi Oilfield, Ordos Basin 

Table 2 | Effect of Microscopic Pore Throat Structure on Displacement Characteristics of Lacustrine Low Permeability Sandstone: A Case Study of Chang 6 Reservoir in Wuqi Oilfield, Ordos Basin 