东濮凹陷浅层气成藏规律分析

An Analysis on Rule of Reservoir Generation of Shallow Gas in Dongpu Depression

目的：研究东濮凹陷浅层气的成藏条件、发育及分布规律，为这一新领域的勘探提供参考依据。方法：对东濮凹陷中央隆起带北部濮城构造浅层开展沉积、构造及成藏条件等地质综合研究。结果：认为明化镇组具备形成浅层岩性气藏的成藏条件，为下第三系气源沿断层垂向这移并在浅层岩性圈闭中聚集的成藏模式，预测濮城地区浅层天然气资源量近20×108m3。结论：预测认为本区浅层气勘探开发前景较好。

The exploration of shallow gas is a new domin being carried out in Dongpu Depression in recent years. By the comprehensive geologic research on sedimentary, structure, reservoir generation etc. for the shallow layer within Pucheng Structure located in the north part of the central high belt in Dongpu Depression,the authors think that Minghuazhen Formation has the reservoir generation condition forming lithologic gas reservoirs. The model of reservoir generation is that the gas source of ber Tertiary migrated vertically along faults and accumulated in shallow lithologic traps. The predicted resource of shallow gas in Pucheng area is about 19. 47 ×108m3, and it has promising prospects for exploration and development.