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本文针对敖南油田裂缝发育,注水开发过程中裂缝性见水矛盾突出实际,应用无源微地震监测技术研究了敖南油田储层裂缝的分布、走向及层位,通过裂缝发育状况对水驱前缘变化的影响,应用泊松比法结合注水井指示曲线,制定了裂缝性敖南油田合理注水参数,指导下步油田合理开发。
In view of the crack development in Aonan Oilfield and the fact that the water in the process of water flooding is developed, the contradiction between the water seepage and the water in the process of water flooding is prominent. By using the passive micro-seismic monitoring technology, the distribution, orientation and horizon of the fractures in the reservoir of Aonan Oilfield are studied. Using the Poisson’s ratio method and the water injection well’s indicator curve, the reasonable injection parameters of fractured Aonan Oilfield were formulated to guide the rational development of the Lower Stream oilfield.