辽河西部凹陷双东地区储层预测研究

Reservoir Prediction in Shuandong Area of the Western Depression in Liaohe Oilfield

双东地区复合圈闭的勘探难点主要体现在构造、储层岩性复杂,砂泥岩交互,受限于地震分辨率的影响,在地震剖面上单砂体的反射特征基本上不能识别。综合利用岩心铸体薄片和压汞曲线对储层特征进行分析,利用地震多属性进行储集有利相带划分,利用波阻抗反演识别有利砂体,能够较好地解决目前面临的勘探难点。

The difficulties of oil exploration in the composite traps of Shuandong Area were reflected in structures,complex reservoir lithology,interaction of sands and mud.For the impact of seismic resolution,single sand was difficult to be identified on the profile.Reservoir characteristics are analyzed by integrally using the cast sections and mercury curves and seismic attributes are used to identify the favorable facies belts,and acoustic impedance inversion technique is used for beneficial sand recognition,by which the difficulty in explorations is overcome.