Types and resource potential of continental shale oil in China and its boundary with tight oil

ZHAO Wenzhi,HU Suyun,HOU Lianhua,YANG Tao,LI Xin,GUO Bincheng,YANG Zhi

Table 3 Characteristic parameters of medium-low maturity continental shale oil in major petroliferous basins of China.

Basin Formation TOC/% Kerogen type HI/(mg·g-1) Ro/% Thickness/ m Area of favorable area/km2 Ordos Chang 7 Member in Triassic Yanchang Formation 6-38 Ⅰ—Ⅱ1 320-650 0.60-1.10 15-64 18 000 Songliao Cretaceous Nenjiang Formation 4-18 Ⅰ—Ⅱ 365-820 0.30-0.75 10-23 12 000 Junggar Permian Pingdiquan Formation 5-11 Ⅰ—Ⅱ 350-780 0.65-1.10 15-100 450 Permian Fengcheng Formation 4-6 Ⅰ—Ⅱ 300-640 0.70-1.10 30-120 800