... fracture complexity high 3 reservoir characterization fracture reservoir geomechanics algal limestone continuity 2 fracture toughness fracturing dessert qaidam basin engineering algal limestone reservoir formula calculation formula algaeolite reservoir International Geomechanics Symposium...

... application to address the significant challenge posed by high breakdown pressure in multistage fracture stimulation in tight reservoirs. Further, the nonlocal fracture initiation model has been improved toward explicit generalized Hubert-Willis FIP formulas for the notched open holes and validated using...

... experiments on the ultra-deep carbonate rock core of Tarim Oilfield to measure rock mechanics parameters and then build artificial carbonate samples to make fracturing experiments under the acoustic signals supervision. Based on the experimental results and the theoretical formula research, the formula...

... values match well with the measured values during the actual hydraulic fracturing operations. hydraulic fracturing compute breakdown pressure wellbore integrity approximation wellbore design pore pressure algorithm formula upstream oil & gas lower bound formula poroelastic stress...

... fluid is soaked. drilling fluids and materials strength transmission test compressive strength reservoir characterization upstream oil & gas formula amplitude wellbore design mudstone characteristic mechanical properties wellbore integrity frequency sandstone internal friction...