Mechanism of Secondary Pore Formation and Prediction of Favorable Reservoir of Paleogene in Jiyang Sag, Eastern China

Jiyang (济阳) sag is an oil rich basin, consisting of Huimin (惠民), Dongying (东营), Zhanhua (沾化), and Chezhen (车镇) depressions. The clastic rock of Paleogene has undergone early and middle diagenetic stages and now the main clastic reservoir is in the middle diagenetic stage...