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从油气藏形成的基本条件及动态过程出发，利用模糊数学方法，建立了一套圈闭含油气性综合评价方法。并将其应用于汤原断陷主要目的层——Ｅ４２段的５８个圈闭的含油气性的综合评价中，得到含油气性好的圈闭７个，较好圈闭６个，中等圈闭１２个，差圈闭３３个，并且得知，由南向北圈闭的含油气性由好变差。较客观地反映了该断陷Ｅ４２段中的油气分布状况，为该区油气的钻探提供了依据
Based on the basic conditions and dynamic process of the formation of oil and gas reservoirs, a set of comprehensive evaluation methods of trap oil and gas was established by means of fuzzy mathematics. And applied it to the comprehensive evaluation of petroleum and gas-bearing properties of 58 traps in the segment E42 of the main target layer of the Tangyuan Fault. Seven traps with good oil and gas traps and six traps were obtained, 12 closed, 33 closed traps, and learned that the oil and gas trapped from south to north traps has deteriorated greatly. Which objectively reflects the distribution of oil and gas in section E42 of the fault depression and provides a basis for oil and gas drilling in this area