Experimental and Numerical Investigation on Hydraulic Fracture Propagation Law of Composite Rock Materials considering the Disturbing Stress Effect

<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 class="align_center" colspan="5">Particle parameters</td><td class="align_center" colspan="5">Parallel bonding parameters</td></tr><tr class="thead"><td class="align_left"><svg height="11.927pt" id="M51" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 12.3246 11.927" width="12.3246pt" 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"></path></g><g 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y="-11.8482"></rect><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M529 97L508 118C475 75 449 58 438 58C428 58 421 66 415 104C393 234 374 403 364 496C345 670 307 712 254 712C220 712 174 691 153 669L161 645C176 653 194 658 206 658C237 658 261 640 278 562C287 522 290 483 293 434C223 269 110 105 23 9L32 -12C59 -6 85 0 108 7C152 64 251 252 300 366C307 297 315 221 337 82C346 24 363 -12 393 -12C425 -12 475 13 529 97Z"></path></g></svg></span></td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">1.51</td><td class="align_center">1</td><td class="align_center">0.1</td><td class="align_center">1.66</td><td class="align_center">2.65</td><td class="align_center">1.51</td><td class="align_center">1</td><td class="align_center">5.4</td><td class="align_center">12.7</td><td class="align_center">1</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Micromechanical parameters of simulated samples.</div>

Geofluids

tab2

Table 2

Table 2: Experimental and Numerical Investigation on Hydraulic Fracture Propagation Law of Composite Rock Materials considering the Disturbing Stress Effect 

Table 2 | Experimental and Numerical Investigation on Hydraulic Fracture Propagation Law of Composite Rock Materials considering the Disturbing Stress Effect 