Mesoscale Assessment of CO<sub>2</sub> Storage Potential and Geological Suitability for Target Area Selection in the Sichuan Basin

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left">Tectonic unit</td><td class="align_center"><svg height="9.01194pt" id="M73" style="vertical-align:-0.2455397pt" version="1.1" viewbox="-0.0498162 -8.7664 31.5079 9.01194" width="31.5079pt" 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="M381 665C170 665 44 498 44 318C44 125 188 -15 369 -15C552 -15 703 117 703 333C703 534 550 665 381 665ZM359 629C491 629 601 517 601 306C601 114 502 21 390 21C249 21 146 158 146 346S248 629 359 629Z" id="g121-77"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="747" vert-adv-y="747" xpluscharwidth="9.711"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,9.946,0)"><path d="M381 665C170 665 44 498 44 318C44 125 188 -15 369 -15C552 -15 703 117 703 333C703 534 550 665 381 665ZM359 629C491 629 601 517 601 306C601 114 502 21 390 21C249 21 146 158 146 346S248 629 359 629Z" id="g121-77"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="747" vert-adv-y="747" xpluscharwidth="19.657"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,19.539,0)"><path d="M303 0V28C221 34 213 39 213 125V525C213 610 221 616 303 622V650H38V622C120 616 128 610 128 525V125C128 40 120 34 38 28V0H303Z" id="g121-71"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="341" vert-adv-y="341" xpluscharwidth="23.972"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,23.972,0)"><path d="M46 650V622C120 617 128 613 128 525V125C128 42 120 34 40 28V0H311V28C221 34 212 39 212 124V281L286 262C297 261 316 261 331 263C429 275 526 338 526 468C526 533 501 579 462 609C422 638 364 650 293 650H46ZM212 559C212 588 215 600 223 606C230 613 251 618 279 618C361 618 430 572 430 464C430 337 350 302 285 302C252 302 225 309 212 314V559Z" id="g121-78"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="563" vert-adv-y="563" xpluscharwidth="31.291"></glyph.data></g></svg>/10<sup>8</sup> t</td><td class="align_center">Oil density (kg/m<sup>3</sup>)</td><td class="align_center"><svg height="8.68572pt" id="M74" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 7.94191 8.68572" width="7.94191pt" 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="M578 512C578 619 494 650 387 650H140L134 622C219 615 223 609 210 542L127 119C112 40 104 34 23 28L17 0H235C317 0 387 7 444 33C515 65 564 122 564 195C564 289 495 335 412 352V354C505 373 578 422 578 512ZM486 510C486 422 423 367 314 367H257L294 565C299 591 305 602 315 608C324 614 339 617 362 617C421 617 486 595 486 510ZM466 200C466 100 393 35 296 35C222 35 198 51 212 127L250 333H303C388 333 466 303 466 200Z" id="g113-67"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="601" vert-adv-y="601" xpluscharwidth="7.813"></glyph.data></g></svg> (—) </td><td class="align_center">Reservoir pressure/Mpa</td><td class="align_center">Oil temperature/°C</td><td class="align_center"><svg height="11.2432pt" id="M75" style="vertical-align:-5.28229pt" version="1.1" viewbox="-0.0498162 -5.96091 23.648 11.2432" width="23.648pt" 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="M516 277C516 378 460 448 376 448C335 448 288 434 240 401C158 345 127 277 107 159C53 -161 38 -221 23 -247L28 -261C43 -260 95 -250 114 -226C122 -216 129 -199 146 -75C152 -29 157 0 164 31C182 9 206 -12 237 -12C267 -12 325 8 376 46C451 102 516 179 516 277ZM432 259C432 134 366 40 259 40C236 40 204 48 171 76L195 203C219 327 253 400 326 400C398 400 432 336 432 259Z" id="g113-239"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="539" vert-adv-y="539" xpluscharwidth="7.007"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,6.162,3.132)"><path d="M618 181C565 77 513 26 413 26C264 26 151 150 151 336C151 486 240 625 407 625C516 625 573 582 600 475L634 483C627 540 622 581 613 638C585 643 518 665 435 665C211 665 46 526 46 315C46 158 157 -15 406 -15C480 -15 564 4 594 12C612 43 638 121 651 168L618 181Z" id="g58-65"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="673" vert-adv-y="673" xpluscharwidth="12.28627981"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,12.368,3.132)"><path d="M387 665C175 665 46 498 46 318C46 123 194 -15 374 -15C558 -15 712 114 712 333C712 535 557 665 387 665ZM364 625C495 625 607 518 607 306C607 115 505 25 396 25C256 25 151 161 151 346C151 532 255 625 364 625Z" id="g58-77"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="757" vert-adv-y="757" xpluscharwidth="19.25667729"></glyph.data></g><g transform="matrix(.0065,0,0,-0.0065,19.257,5.233)"><path d="M452 139L416 148C386 81 373 77 319 77H141L282 220C372 312 414 373 414 464C414 569 332 635 240 635C181 635 132 609 101 574L42 493L70 467C98 506 143 562 209 562C280 562 324 515 324 435C324 347 261 272 197 197C148 139 89 84 34 29V0H417L452 139Z" id="g176-51"></path><glyph.data ascent="3439" descent="-2858" horiz-adv-x="494" vert-adv-y="494" xpluscharwidth="22.468"></glyph.data></g></svg> (kg/m<sup>3</sup>)</td><td class="align_center"><span style="width: 18.1339ptpx;"><svg height="11.9316pt" id="M76" style="vertical-align:-3.2957pt" version="1.1" viewbox="-0.0498162 -8.6359 18.1339 11.9316" width="18.1339pt" 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="M593 650H142L136 622C219 616 224 611 209 531L130 120C114 39 108 34 23 28L17 0H501C518 32 557 130 568 158L540 169C519 132 495 93 469 70C439 43 409 35 332 35C272 35 241 37 225 50C211 61 211 89 222 149L253 320H350C441 320 443 312 441 239H471L510 434H481C455 366 448 358 360 358H260L303 572C311 613 312 615 348 615H431C509 615 522 603 532 581C544 555 546 531 545 491L574 493C583 555 592 631 593 650Z" id="g113-70"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="616" vert-adv-y="616" xpluscharwidth="8.008"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,7.943,3.132)"><path d="M262 451C169 451 38 375 38 210C38 98 121 -12 261 -12C360 -12 481 64 481 227C481 351 386 451 262 451ZM249 414C337 414 385 320 385 204C385 70 333 25 272 25C189 25 134 117 134 241C134 355 189 414 249 414Z" id="g58-109"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="519" vert-adv-y="519" xpluscharwidth="12.665884429999998"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,12.556,3.132)"><path d="M138 535C169 535 191 560 191 589C191 620 168 644 139 644S85 620 85 589C85 560 110 535 138 535ZM257 0V30C192 35 185 43 185 109V453C142 435 94 422 40 414V386C101 378 104 372 104 311V109C104 41 97 35 33 30V0H257Z" id="g58-103"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="275" vert-adv-y="275" xpluscharwidth="15.05849175"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,15.104,3.132)"><path d="M244 0V30C178 35 170 41 170 107V710C136 697 72 680 18 675V647C83 642 89 639 89 572V107C89 43 80 35 16 30V0H244Z" id="g58-106"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="260" vert-adv-y="260" xpluscharwidth="17.4699922"></glyph.data></g></svg></span></td><td class="align_center"><svg height="13.9182pt" id="M77" style="vertical-align:-5.2823pt" version="1.1" viewbox="-0.0498162 -8.6359 26.323 13.9182" width="26.323pt" 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="M673 297H417L411 270C517 261 522 258 506 183L487 92C476 38 428 19 360 19C207 19 123 132 123 287C123 472 243 631 441 631C557 631 617 583 617 469L647 472C650 545 655 604 658 632C625 643 554 666 467 666C201 666 23 502 23 278C23 90 156 -16 339 -16C410 -16 501 6 569 24C566 43 567 70 573 101L589 183C604 259 607 262 667 271L673 297Z" id="g113-72"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="684" vert-adv-y="684" xpluscharwidth="8.892"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,8.827,3.132)"><path d="M618 181C565 77 513 26 413 26C264 26 151 150 151 336C151 486 240 625 407 625C516 625 573 582 600 475L634 483C627 540 622 581 613 638C585 643 518 665 435 665C211 665 46 526 46 315C46 158 157 -15 406 -15C480 -15 564 4 594 12C612 43 638 121 651 168L618 181Z" id="g58-65"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="673" vert-adv-y="673" xpluscharwidth="14.95127981"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,15.034,3.132)"><path d="M387 665C175 665 46 498 46 318C46 123 194 -15 374 -15C558 -15 712 114 712 333C712 535 557 665 387 665ZM364 625C495 625 607 518 607 306C607 115 505 25 396 25C256 25 151 161 151 346C151 532 255 625 364 625Z" id="g58-77"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="757" vert-adv-y="757" xpluscharwidth="21.922677290000003"></glyph.data></g><g transform="matrix(.0065,0,0,-0.0065,21.922,5.233)"><path d="M452 139L416 148C386 81 373 77 319 77H141L282 220C372 312 414 373 414 464C414 569 332 635 240 635C181 635 132 609 101 574L42 493L70 467C98 506 143 562 209 562C280 562 324 515 324 435C324 347 261 272 197 197C148 139 89 84 34 29V0H417L452 139Z" id="g176-51"></path><glyph.data ascent="3439" descent="-2858" horiz-adv-x="494" vert-adv-y="494" xpluscharwidth="25.133"></glyph.data></g></svg>/10<sup>8</sup> t</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Central Sichuan flat structure area</td><td class="align_center">0.58</td><td class="align_center">850</td><td class="align_center">1.18</td><td class="align_center">21.26</td><td class="align_center">64.42</td><td class="align_center">712.63</td><td class="align_center">0.75</td><td class="align_center">0.57</td></tr><tr><td class="align_left">Northern Sichuan flat structure area</td><td class="align_center">0.17</td><td class="align_center">850</td><td class="align_center">1.18</td><td class="align_center">21.26</td><td class="align_center">64.42</td><td class="align_center">712.63</td><td class="align_center">0.75</td><td class="align_center">0.17</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Storage potential of CO<sub>2</sub> geological storage in depleted oil fields.

Geofluids

tab9

Table 9

Table 9: Mesoscale Assessment of CO<sub>2</sub> Storage Potential and Geological Suitability for Target Area Selection in the Sichuan Basin 

Geofluids

Mesoscale Assessment of CO2 Storage Potential and Geological Suitability for Target Area Selection in the Sichuan Basin

Table 9

Mesoscale Assessment of CO₂ Storage Potential and Geological Suitability for Target Area Selection in the Sichuan Basin