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老井试油及综合石油地质分析,认为辽河坳陷西部凹陷南部地区中生界具有巨大的勘探潜力。该区东邻生油洼陷,油源充足;发育配套的储盖组合,储层为扇三角洲河道砂岩,盖层为厚层块状泥岩,侧向分布稳定,具有良好的封盖条件;中生界呈现为垒堑相间的构造格局,构造圈闭发育,圈闭的形成期早于油气的主运移期,形成与油气运移期的良好匹配。目前已在该区中生界中央构造高垒带油气勘探上获得突破,今后应积极向高垒带两翼拓展,争取更大的油气发现。
Old well test oil and comprehensive petroleum geological analysis, that the Liaohe sag in the southern part of the western sag Mesozoic huge exploration potential. In the east of the area, there are enough oil sources in the oil-producing depression in the east of the area, and the reservoir-cap assemblage is well developed. The reservoir is fan-delta river channel sandstone with a thick block-like mudstone with stable lateral distribution and good capping conditions. The biosphere shows a tectonic framework of fault-grabbing and inter-facies. The tectonic traps develop. The formation of traps is earlier than the main migration period of oil and gas, forming a good match with hydrocarbon migration. At present, breakthroughs have been made in oil and gas exploration in the high center zone of the Central Mesozoic in the area. In the future, efforts should be made to expand the high-barrier zone with two wings and strive for greater oil and gas discoveries.