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在金马—鸭子河地区油气勘探现状分析的基础上 ,对该区的燕山期构造演化、地震相展布以及保存条件等油气成藏条件进行了研究 ,提出了聚源—崇火燕山中晚期古隆起的存在 ,以及该区沙溪庙组油气成藏的四个有利条件为 :①燕山中晚期适时古隆起形成的早期圈闭 ;②充足的须家河组气源及良好的扇三角洲储盖组合 ;③构造、岩性对早期圈闭的保存作用 ;④喜山期断裂、裂缝对致密储层储集性的改善作用。由此最终确立了聚源—崇火地区沙溪庙组油气成藏的主控因素为燕山中晚期适时古隆起形成的早期圈闭 ,为一岩性— (古 )构造复合圈闭类型。
Based on the analysis of current status of oil and gas exploration in the Jinma-Duck River area, the hydrocarbon accumulation conditions such as the Yanshanian tectonic evolution, seismic facies distribution and preservation conditions in the area are studied, and the Juyuan-Chongwu Yanshan middle- The existence of the uplift and the favorable conditions for hydrocarbon accumulation in the Shaximiao Formation in this area are as follows: ① Early traps formed in the mid-late Yanshanian epoch paleo-uplift; ② Adequate gas source of the Xujiahe Formation and good fan delta reserve Combination; ③ Preservation of tectonics and lithology on early traps; ④ The improvement effect of Himalayan faults and fractures on the reservoir accumulation of tight reservoirs. As a result, the main trap of hydrocarbon accumulation in the Shaximiao Formation in Juyuan-Chonghuo area was the early traps formed in the middle-late Yanshanian uplifting paleo-uplift and a lithologic-(paleo) structural complex trap.