The mechanism of unconventional hydrocarbon formation: Hydrocarbon self-sealing and intermolecular forces

JIA Chengzao,PANG Xiongqi,SONG Yan

Fig. 1. Profile distribution and development characteristics of typical unconventional tight reservoirs in the world. (a) Tight oil profile of Yanchang Formation of Upper Triassic in Ordos Basin[23]; (b) Cretaceous deep basin gas reservoir profile in Alberta Basin[24]; (c) Reservoir profile of Bakken Formation in Williston Basin[25]; (d) Barnett shale reservoir profile in Fort Worth Basin[26]; (e) Tight reservoir profile of Eagle Ford Formation in western Mexico Basin[25]; (f) Tight reservoir profile of Wolfcamp Series in Permian Basin[27].