Numerical Modeling of CO<sub>2</sub> and Brine Leakage through Open Fracture in a Fault Zone: Open Channel Flow or Darcy Flow

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Case name</td><td class="align_center">Porosity</td><td class="align_center"><svg height="11.8174pt" id="M53" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 16.923 11.8174" width="16.923pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M743 650H503L496 622L527 618C563 613 564 603 532 573C449 495 371 431 323 392C301 374 272 355 246 346L280 522C297 609 300 614 379 622L385 650H135L129 622C209 614 215 609 198 522L124 133C106 39 99 35 23 28L17 0H271L277 28C193 35 192 39 208 133L239 316C264 328 280 325 303 288C368 183 435 90 502 0H652L659 28C602 34 584 43 543 94C495 154 403 283 347 369L574 554C634 603 659 612 735 624L743 650Z" id="g113-76"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.23,3.132)"><path d="M782 650H541L536 618L564 614C597 609 604 600 584 574C535 508 486 451 437 395C394 473 361 533 343 575C331 605 335 610 375 615L400 618L407 650H156L147 618C222 612 230 608 267 537L375 330C277 214 186 117 163 96C108 43 97 38 27 32L18 0H265L274 32L251 35C204 41 202 47 224 80C264 138 327 213 397 293L504 80C520 48 516 42 472 36L440 32L433 0H707L716 32C627 38 622 43 581 121L455 361L629 548C685 606 696 610 775 618L782 650Z" id="g50-89"></path></g></svg> (m<sup>2</sup>)</td><td class="align_center"><svg height="11.8174pt" id="M54" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 16.2197 11.8174" width="16.2197pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M743 650H503L496 622L527 618C563 613 564 603 532 573C449 495 371 431 323 392C301 374 272 355 246 346L280 522C297 609 300 614 379 622L385 650H135L129 622C209 614 215 609 198 522L124 133C106 39 99 35 23 28L17 0H271L277 28C193 35 192 39 208 133L239 316C264 328 280 325 303 288C368 183 435 90 502 0H652L659 28C602 34 584 43 543 94C495 154 403 283 347 369L574 554C634 603 659 612 735 624L743 650Z" id="g113-76"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.23,3.132)"><path d="M701 633L695 650H264C230 650 223 653 209 675H184C176 622 160 547 140 473L173 471C198 528 219 557 232 573C254 600 272 612 384 612H566L24 18L33 0H597C617 34 651 142 661 179L629 194C598 133 574 92 545 69C510 41 440 40 342 40C274 40 209 42 163 46L701 633Z" id="g50-91"></path></g></svg> (m<sup>2</sup>)</td><td class="align_center">Capillary function</td><td class="align_center">Relative permeability</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Case  4</td><td class="align_center">0.2</td><td class="align_center" rowspan="3"><span style="width: 55.7872ptpx;"><svg height="8.69875pt" id="M55" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 55.7872 8.69875" width="55.7872pt" 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287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z" id="g113-50"></path></g></svg></td></tr><tr><td class="align_left">Case  5</td><td class="align_center">0.02</td><td class="align_center"><span style="width: 55.7872ptpx;"><svg height="8.69875pt" id="M60" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 55.7872 8.69875" width="55.7872pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z" id="g113-50"></path></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path d="M113 -12C146 -12 170 11 170 46C170 78 146 103 114 103S58 78 58 46C58 11 82 -12 113 -12Z" id="g113-47"></path></g><g transform="matrix(.013,0,0,-0.013,9.204,0)"><path d="M137 343C167 482 260 545 321 574C357 591 397 603 429 609L423 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Parameters of fracture zone in EPM models.

Geofluids

tab3

Table 3

Table 3: Numerical Modeling of CO<sub>2</sub> and Brine Leakage through Open Fracture in a Fault Zone: Open Channel Flow or Darcy Flow 

Geofluids

Numerical Modeling of CO2 and Brine Leakage through Open Fracture in a Fault Zone: Open Channel Flow or Darcy Flow

Table 3

Numerical Modeling of CO₂ and Brine Leakage through Open Fracture in a Fault Zone: Open Channel Flow or Darcy Flow