地层压力分析的有效途径

An Effective Way to Analyze Form ation Pressure

地层压力的有效预测，对于研究油气运聚与成藏，以及储集层评价等方面至关重要．在地层压力分析的诸多方法中，以测井资料为主的分析方法得到了广泛应用．在详细讨论了构造、裂缝、流体性质对声波时差影响的基础上，提出地层压力分析的有效途径是综合地震、测井、基础地质等资料，首先进行构造分析、岩性分析、流体性质分析和裂缝分析，然后进行孔隙度反演并建立孔隙度与深度压实曲线，并进一步结合测试资料和构造变动史和古地温史研究，进行地层压力的分析和预测．

Effective prediction ofform ation pressure is im portantto the study ofoilm igration and accum u- lation, reservoir form ation and reservoirevaluation. Ofvariousform ation pressure analysism ethods, the m eth- ods based on log data are w idely applied. Theauthorsputforw ard so am ethod. In the m ethod, form ation pres- sure isanalyzed and predicted according to the analysesofstructure, lithology, fluid characteristicsand fracture based on seism ic, geologic and log data, porosity-depth curve established by the inversion ofporosity, testdata and the study ofstructuralvariation history and paleotem perature history.