Investigation of Shale Permeability Evolution considering Bivalued Effective Stress Coefficients for CO<sub>2</sub> Injection

<div><svg height="11.927pt" id="M9" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 14.539 11.927" width="14.539pt" 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"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.23,3.132)"><path d="M504 89L488 119C453 85 428 69 416 69C408 69 405 75 412 102L462 304C492 438 460 451 436 451S388 441 356 423C311 397 229 336 170 256H168L189 340C208 418 200 451 177 451C144 451 82 413 24 352L40 322C65 345 98 369 108 369C114 369 119 363 112 335L28 -3L36 -12C54 -3 83 4 112 10C125 73 138 122 153 174C205 258 328 382 376 382C395 382 399 369 384 305L330 93C312 25 323 -12 351 -12C378 -12 439 21 504 89Z"></path></g></svg> changing with pressure and pore diameter for CO<sub>2</sub> at 296 K. Mostly, the flow is lying in the transition flow and slip flow region.</div>

Geofluids

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Figure 3

Figure 3: Investigation of Shale Permeability Evolution considering Bivalued Effective Stress Coefficients for CO<sub>2</sub> Injection 

Geofluids

Investigation of Shale Permeability Evolution considering Bivalued Effective Stress Coefficients for CO2 Injection

Figure 3

Investigation of Shale Permeability Evolution considering Bivalued Effective Stress Coefficients for CO₂ Injection