Investigation of Multistage Hydraulic Fracture Optimization Design Methods in Horizontal Shale Oil Wells in the Ordos Basin

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">No. of specimens</td><td class="align_center">Fluid</td><td class="align_center"><svg height="10.2959pt" id="M5" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -7.0048 69.3046 10.2959" width="69.3046pt" 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="M570 456L546 470C529 452 514 445 490 445C451 445 409 450 346 450C134 450 21 324 21 171C21 59 80 -12 197 -12C343 -12 453 99 453 227C453 286 433 327 375 370L376 373C409 368 450 363 487 363C521 363 548 377 570 456ZM340 272C340 210 304 31 214 31C166 31 150 87 150 140C150 249 198 377 285 377C298 377 312 369 322 356C339 333 340 304 340 272Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.647,3.132)"><path d="M489 344C489 411 465 457 436 457C397 457 365 425 365 391C365 376 370 370 381 362S396 343 396 316C396 201 356 66 259 66C235 66 202 79 202 132C202 144 204 159 208 176C217 215 230 262 247 316C256 343 257 367 257 386C257 435 236 457 201 457C135 457 70 407 22 348L45 307C85 347 107 363 118 363C123 363 126 360 126 353S125 335 119 317C99 252 90 215 81 170C76 147 73 127 73 109C73 17 142 -12 196 -12C342 -12 489 164 489 344Z"></path></g><g transform="matrix(.013,0,0,-0.013,15.718,0)"><path d="M535 230V280H52V230H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,26.254,0)"><path d="M570 456L546 470C529 452 514 445 490 445C451 445 409 450 346 450C134 450 21 324 21 171C21 59 80 -12 197 -12C343 -12 453 99 453 227C453 286 433 327 375 370L376 373C409 368 450 363 487 363C521 363 548 377 570 456ZM340 272C340 210 304 31 214 31C166 31 150 87 150 140C150 249 198 377 285 377C298 377 312 369 322 356C339 333 340 304 340 272Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,33.901,3.132)"><path d="M903 650H581L568 606C660 600 665 591 650 514L622 374H314L341 514C356 591 364 600 444 606L456 650H129L117 606C211 600 219 593 204 514L129 134C115 58 109 47 27 42L17 0H342L354 42C263 48 255 57 268 134L302 315H611L577 134C563 58 556 48 464 42L455 0H788L797 42C705 47 702 58 716 134L792 514C807 590 812 600 893 606C896 620 900 635 903 650Z"></path></g><g transform="matrix(.013,0,0,-0.013,45.352,0)"><path d="M535 230V280H52V230H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,55.888,0)"><path d="M570 456L546 470C529 452 514 445 490 445C451 445 409 450 346 450C134 450 21 324 21 171C21 59 80 -12 197 -12C343 -12 453 99 453 227C453 286 433 327 375 370L376 373C409 368 450 363 487 363C521 363 548 377 570 456ZM340 272C340 210 304 31 214 31C166 31 150 87 150 140C150 249 198 377 285 377C298 377 312 369 322 356C339 333 340 304 340 272Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,63.535,3.132)"><path d="M543 94L523 129C505 110 468 89 461 89C451 89 450 99 457 131L496 301C529 447 476 457 452 457S387 443 364 428C319 399 271 357 208 282H206L282 657C289 691 287 699 272 699C255 699 198 673 76 664L68 624H93C132 624 147 620 139 581L22 -3L28 -12C70 -4 115 4 155 9C163 61 180 153 192 203C253 288 328 358 360 358C374 358 378 342 371 311L321 93C304 21 321 -12 356 -12C406 -12 464 20 543 94Z"></path></g></svg> (MPa)</td><td class="align_center">Rate (mL/min)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1#</td><td class="align_center" rowspan="2">Water + guar</td><td class="align_center">32-26-21</td><td class="align_center" rowspan="2">2</td></tr><tr><td class="align_left">2#</td><td class="align_center">32-26-16</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Experimental parameters for water-based fracturing.</div>

Geofluids

tab2

Table 2

Table 2: Investigation of Multistage Hydraulic Fracture Optimization Design Methods in Horizontal Shale Oil Wells in the Ordos Basin 