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由于火山岩具有极强的非均质性,对其识别与预测是油气勘探的难题之一。此次油气勘探综合使用速度分析、地震反射特征分析、三瞬信息分析以及测井声波约束反演等技术和方法,有效地识别了三塘湖盆地4类火山岩储集体:火山角砾岩、安山岩、玄武岩与凝灰岩。从而圈定出它们的横向展布,有效进行了裂缝储集体的预测,为火山岩油气藏的勘探开发提供了一定的理论依据和技术方法。
Due to the strong heterogeneity of volcanic rocks, its identification and prediction are one of the problems in oil and gas exploration. The comprehensive utilization of oil and gas exploration velocity analysis, seismic reflection feature analysis, three instantaneous information analysis and logging acoustic constraint inversion techniques and methods to effectively identify the Santanghu Basin four kinds of volcanic reservoirs: volcanic breccia, andesite , Basalt and tuff. Thus delineating their horizontal distribution and effectively predicting the fractured reservoirs, providing some theoretical basis and technical methods for the exploration and development of volcanic reservoirs.