Key geological factors controlling the estimated ultimate recovery of shale oil and gas: A case study of the Eagle Ford shale, Gulf Coast Basin, USA

HOU Lianhua,YU Zhichao,LUO Xia,LIN Senhu,ZHAO Zhongying,YANG Zhi,WU Songtao,CUI Jingwei,ZHANG Lijun

Table 1. Empirical parameters in Equation 2.

Ro/% a1 b1 R2 (0.60,0.75] 0.580 0 -0.464 3 0.835 (0.75,0.80] 1.609 1 -0.059 6 0.925 (0.80,0.85] 2.167 3 -0.687 1 0.983 (0.85,0.90] 3.360 1 -0.013 1 0.988 (0.90,1.00] 9.572 0 -0.484 9 0.935 (1.00,1.10] 10.093 1 -8.265 3 0.991 (1.10,1.20] 12.349 0 -9.756 9 0.949 (1.20,1.30] 10.846 1 -7.990 2 0.969 (1.30,1.40] 13.598 5 -10.311 2 0.975 (1.40,1.50] 10.904 7 -6.942 8 0.973 (1.50,1.60] 7.468 1 -3.372 9 0.957 (1.60,1.70] 8.070 5 -3.615 9 0.961 (1.70,1.80] 6.734 7 -3.114 7 0.991 (1.80,2.50] 9.991 5 -7.240 9 0.977