Fully coupled fluid-solid productivity numerical simulation of multistage fractured horizontal well in tight oil reservoirs

ZHANG Dongxu,ZHANG Liehui,TANG Huiying,ZHAO Yulong

Table 3. The influence of different sensitivity parameters on production

Case number Artificial fracture compression coefficient/MPa-1 Artificial fracture opening/10-4 m Natural fracture compression coefficient/MPa-1 Threshold pressure gradient/(MPa•m-1) Cumulative oil production/m3 Relative error/% 1 0.060 2.884 0.15 0 31 454.76 0 2 0.062 2.884 0.15 0 30 809.01 -2.05 3 0.064 2.884 0.15 0 30 171.76 -4.08 4 0.060 2.978 0.15 0 32 368.10 2.90 5 0.060 3.065 0.15 0 33 179.36 5.48 6 0.060 2.884 0.25 0 31 629.62 -0.59 7 0.060 2.884 0.35 0 31 077.90 -1.20 8 0.060 2.884 0.15 0.05 26 887.96 -14.52 9 0.060 2.884 0.15 0.10 21 600.05 -31.33