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大港油田歧口凹陷中浅层以港东地区明化镇组和馆陶组、港西地区馆陶组为主要目的层,经过40余年的勘探开发,油气关系已发生变化。为进一步加强对该区中浅层的认识,通过对岩屑、气测、定量荧光等录井参数响应特征的综合分析,归纳总结了港东、港西地区不同层位、不同性质储集层的分布规律。认为该区中浅层赋存的油水关系复杂,区域性规律不明显,各断块和各层组的油水层参数界限具有明显的差异性,气测、地化、定量荧光等录井资料可以作为该区解释评价的依据。建议根据港东、港西地区不同层位建立相应的判别标准。
In the middle and shallow Qikou sag of Dagang Oilfield, the Mingtaizhen Formation, the Guantao Formation and the Guantao Formation in the Kongxi area are the main strata. After more than 40 years of exploration and development, the relationship between oil and gas has changed. In order to further strengthen the understanding of the middle and shallow layers in this area, through the comprehensive analysis of response characteristics of logging parameters such as cuttings, gas detection and quantitative fluorescence, the different layers of reservoirs with different properties in Hong Kong East and West Hong Kong were summarized. The distribution of law. It is concluded that the relationship between oil and water in the middle and shallow layers of the area is complex and the regional laws are not obvious. The parameters of oil and water layers in each block and each layer have significant differences. Gas logging data such as gas, geochemical and quantitative fluorescence As the basis for the interpretation of the area evaluation. It is suggested that the corresponding criteria should be established according to different layers in Hong Kong East and West Hong Kong.