Effect of Polymer Adsorption on Permeability Reduction in Enhanced Oil Recovery

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Experiment number</td><td align="center" rowspan="2">Porosity (%)</td><td align="center" colspan="2">Permeability, <svg height="12.4375" id="M40" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 8.6750002 12.4375" width="8.6750002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M480 416q0 -21 -18 -41q-9 -11 -17 -7q-20 9 -42 9q-62 0 -140 -78q23 -69 88 -192q17 -31 27 -42t20 -11q16 0 62 46l17 -20q-64 -92 -119 -92q-35 0 -70 66q-41 73 -84 187q-36 -30 -62 -61q-27 -115 -35 -172q-41 -8 -78 -20l-6 6l140 612q7 28 0.5 34t-37.5 7l-34 1
l5 26q38 4 74 13.5t57 17t25 7.5q12 0 4 -32l-104 -443h2q35 38 97 93q39 35 65.5 56t62 41.5t58.5 20.5q19 0 30.5 -10t11.5 -22z" id="x1D458"></path></g>
</svg> (mD)</td><td align="center" rowspan="2">Design of polymer slug for flooding</td><td align="center" rowspan="2">Recovery of oil by water flooding at 95% water cut (% OOIP)</td><td align="center" rowspan="2">Additional recovery (% OOIP)</td><td align="center" colspan="3">% Saturation</td></tr><tr class="thead"><td align="center"><svg height="16.4375" id="M41" style="vertical-align:-3.38109pt" version="1.1" viewbox="0 0 17.450001 16.4375" width="17.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M480 416q0 -21 -18 -41q-9 -11 -17 -7q-20 9 -42 9q-62 0 -140 -78q23 -69 88 -192q17 -31 27 -42t20 -11q16 0 62 46l17 -20q-64 -92 -119 -92q-35 0 -70 66q-41 73 -84 187q-36 -30 -62 -61q-27 -115 -35 -172q-41 -8 -78 -20l-6 6l140 612q7 28 0.5 34t-37.5 7l-34 1
l5 26q38 4 74 13.5t57 17t25 7.5q12 0 4 -32l-104 -443h2q35 38 97 93q39 35 65.5 56t62 41.5t58.5 20.5q19 0 30.5 -10t11.5 -22z" id="x1D458"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.612,16.25)"><path d="M696 437v-26q-37 -5 -50.5 -18.5t-28.5 -55.5q-36 -96 -120 -348h-29l-69.5 178.5l-52.5 132.5l-54.5 -141l-64.5 -170h-28q-71 229 -116 357q-13 39 -25.5 49.5t-48.5 15.5v26h207v-26q-45 -7 -53.5 -17t2.5 -44l74 -232h2l116 314h26q39 -111 120 -318h2q50 156 69 231
q10 38 0.5 48.5t-58.5 17.5v26h180z" id="x77"></path></g>
</svg> (<svg height="15.675" id="M42" style="vertical-align:-3.38109pt" version="1.1" viewbox="0 0 44.637501 15.675" width="44.637501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M457 488l-30 -3q-17 148 -131 148q-53 0 -84.5 -34.5t-31.5 -82.5q0 -42 25.5 -72t74.5 -62l33 -22q63 -42 95 -85t32 -102q0 -84 -67 -137t-163 -53q-58 0 -113 22t-70 43l-4 152l27 4q4 -32 15 -62.5t31 -59.5t53.5 -47t76.5 -18q56 0 92 35t36 96q0 39 -25 70t-78 68
l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.225,15.475)"><path d="M696 437v-26q-37 -5 -50.5 -18.5t-28.5 -55.5q-36 -96 -120 -348h-29l-69.5 178.5l-52.5 132.5l-54.5 -141l-64.5 -170h-28q-71 229 -116 357q-13 39 -25.5 49.5t-48.5 15.5v26h207v-26q-45 -7 -53.5 -17t2.5 -44l74 -232h2l116 314h26q39 -111 120 -318h2q50 156 69 231
q10 38 0.5 48.5t-58.5 17.5v26h180z" id="x77"></path></g>
<g transform="matrix(.017,-0,0,-.017,21.712,11.4)"><path d="M535 323h-483v50h483v-50zM535 138h-483v50h483v-50z" id="x3D"></path></g><g transform="matrix(.017,-0,0,-.017,36.416,11.4)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
</svg>)</td><td align="center"><svg height="16.450001" id="M43" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 15.3625 16.450001" width="15.3625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M480 416q0 -21 -18 -41q-9 -11 -17 -7q-20 9 -42 9q-62 0 -140 -78q23 -69 88 -192q17 -31 27 -42t20 -11q16 0 62 46l17 -20q-64 -92 -119 -92q-35 0 -70 66q-41 73 -84 187q-36 -30 -62 -61q-27 -115 -35 -172q-41 -8 -78 -20l-6 6l140 612q7 28 0.5 34t-37.5 7l-34 1
l5 26q38 4 74 13.5t57 17t25 7.5q12 0 4 -32l-104 -443h2q35 38 97 93q39 35 65.5 56t62 41.5t58.5 20.5q19 0 30.5 -10t11.5 -22z" id="x1D458"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.612,16.25)"><path d="M257 449q92 0 154 -65t62 -158q0 -112 -67 -175t-150 -63q-98 0 -158.5 66.5t-60.5 154.5q0 59 21 106.5t54.5 75.5t71 43t73.5 15zM244 416q-48 0 -81 -47t-33 -128q0 -96 38 -158t99 -62q51 0 82 43.5t31 139.5q0 91 -36 151.5t-100 60.5z" id="x6F"></path></g>
</svg> (<svg height="15.675" id="M44" style="vertical-align:-3.38109pt" version="1.1" viewbox="0 0 20.2875 15.675" width="20.2875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M457 488l-30 -3q-17 148 -131 148q-53 0 -84.5 -34.5t-31.5 -82.5q0 -42 25.5 -72t74.5 -62l33 -22q63 -42 95 -85t32 -102q0 -84 -67 -137t-163 -53q-58 0 -113 22t-70 43l-4 152l27 4q4 -32 15 -62.5t31 -59.5t53.5 -47t76.5 -18q56 0 92 35t36 96q0 39 -25 70t-78 68
l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.225,15.475)"><path d="M696 437v-26q-37 -5 -50.5 -18.5t-28.5 -55.5q-36 -96 -120 -348h-29l-69.5 178.5l-52.5 132.5l-54.5 -141l-64.5 -170h-28q-71 229 -116 357q-13 39 -25.5 49.5t-48.5 15.5v26h207v-26q-45 -7 -53.5 -17t2.5 -44l74 -232h2l116 314h26q39 -111 120 -318h2q50 156 69 231
q10 38 0.5 48.5t-58.5 17.5v26h180z" id="x77"></path></g><g transform="matrix(.012,-0,0,-.012,16.399,15.475)"><path d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" id="x69"></path></g>
</svg>)</td><td align="center"><span style="width: 20.2875px;"><svg height="15.675" id="M45" style="vertical-align:-3.38109pt" version="1.1" viewbox="0 0 20.2875 15.675" width="20.2875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M457 488l-30 -3q-17 148 -131 148q-53 0 -84.5 -34.5t-31.5 -82.5q0 -42 25.5 -72t74.5 -62l33 -22q63 -42 95 -85t32 -102q0 -84 -67 -137t-163 -53q-58 0 -113 22t-70 43l-4 152l27 4q4 -32 15 -62.5t31 -59.5t53.5 -47t76.5 -18q56 0 92 35t36 96q0 39 -25 70t-78 68
l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.225,15.475)"><path d="M696 437v-26q-37 -5 -50.5 -18.5t-28.5 -55.5q-36 -96 -120 -348h-29l-69.5 178.5l-52.5 132.5l-54.5 -141l-64.5 -170h-28q-71 229 -116 357q-13 39 -25.5 49.5t-48.5 15.5v26h207v-26q-45 -7 -53.5 -17t2.5 -44l74 -232h2l116 314h26q39 -111 120 -318h2q50 156 69 231
q10 38 0.5 48.5t-58.5 17.5v26h180z" id="x77"></path></g><g transform="matrix(.012,-0,0,-.012,16.399,15.475)"><path d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" id="x69"></path></g>
</svg></span></td><td align="center"><span style="width: 18.025px;"><svg height="15.6875" id="M46" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 18.025 15.6875" width="18.025" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M457 488l-30 -3q-17 148 -131 148q-53 0 -84.5 -34.5t-31.5 -82.5q0 -42 25.5 -72t74.5 -62l33 -22q63 -42 95 -85t32 -102q0 -84 -67 -137t-163 -53q-58 0 -113 22t-70 43l-4 152l27 4q4 -32 15 -62.5t31 -59.5t53.5 -47t76.5 -18q56 0 92 35t36 96q0 39 -25 70t-78 68
l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.225,15.475)"><path d="M257 449q92 0 154 -65t62 -158q0 -112 -67 -175t-150 -63q-98 0 -158.5 66.5t-60.5 154.5q0 59 21 106.5t54.5 75.5t71 43t73.5 15zM244 416q-48 0 -81 -47t-33 -128q0 -96 38 -158t99 -62q51 0 82 43.5t31 139.5q0 91 -36 151.5t-100 60.5z" id="x6F"></path></g><g transform="matrix(.012,-0,0,-.012,14.151,15.475)"><path d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" id="x69"></path></g>
</svg></span></td><td align="center"><span style="width: 19.25px;"><svg height="15.6875" id="M47" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 19.25 15.6875" width="19.25" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M457 488l-30 -3q-17 148 -131 148q-53 0 -84.5 -34.5t-31.5 -82.5q0 -42 25.5 -72t74.5 -62l33 -22q63 -42 95 -85t32 -102q0 -84 -67 -137t-163 -53q-58 0 -113 22t-70 43l-4 152l27 4q4 -32 15 -62.5t31 -59.5t53.5 -47t76.5 -18q56 0 92 35t36 96q0 39 -25 70t-78 68
l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.225,15.475)"><path d="M257 449q92 0 154 -65t62 -158q0 -112 -67 -175t-150 -63q-98 0 -158.5 66.5t-60.5 154.5q0 59 21 106.5t54.5 75.5t71 43t73.5 15zM244 416q-48 0 -81 -47t-33 -128q0 -96 38 -158t99 -62q51 0 82 43.5t31 139.5q0 91 -36 151.5t-100 60.5z" id="x6F"></path></g><g transform="matrix(.012,-0,0,-.012,14.151,15.475)"><path d="M181 342h2q63 107 121 107q24 0 41 -16t17 -34q0 -34 -32 -49q-17 -7 -26 2q-21 20 -43 20q-20 0 -42 -22t-38 -63v-183q0 -50 12.5 -62t69.5 -16v-26h-230v26q47 5 58 17t11 61v207q0 49 -9 60.5t-53 16.5v23q74 12 141 40v-109z" id="x72"></path></g>
</svg></span></td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td align="left">P1</td><td align="center">32.5</td><td align="center">333.5</td><td align="center">58.33</td><td align="center">0.75 PV polymer (2500 ppm) + chase water</td><td align="center">43.9</td><td align="center">21.00</td><td align="center">12</td><td align="center">88</td><td align="center">23.5</td></tr><tr><td align="left">P2</td><td align="center">32.4</td><td align="center">333.6</td><td align="center">58.4</td><td align="center">0.75 PV polymer (2000 ppm) + chase water</td><td align="center">44.0</td><td align="center">19.21</td><td align="center">12</td><td align="center">88</td><td align="center">23.8</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Porous media property and oil recovery by polymer flooding.

Journal of Petroleum Engineering

tab2

Table 2

Table 2: Effect of Polymer Adsorption on Permeability Reduction in Enhanced Oil Recovery 