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Research on lithologic oil pool prediction in saliferous strata
Author(s): 
Pages: 476-481
Year: Issue:  5
Journal: GEOPHYSICAL PROSPECTING FOR PETROLEUM

Keyword:  潜江凹陷盐系地层层序地层学岩性油藏储层预测含油气性;
Abstract: 针对潜江凹陷岩性油藏储层与非储层之间波阻抗差异小,储层薄,波阻抗反演存在多解性且不能定量预测等问题,探讨了盐系地层岩性油藏预测的研究思路和配套技术.对潜江组盐系地层的岩石物理特征进行了分析,在此基础上提出了针对性的储层预测方法:①应用高分辨率层序地层学方法确定潜江凹陷岩性油藏的有利分布区;②通过基于模型的井约束稀疏脉冲反演获得的波阻抗数据体进行砂体描述;③利用地震约束测井反演方法,对自然伽马和密度等岩性敏感测井参数进行反演,得到拟测井参数反演数据体,在此基础上对砂体厚度进行预测,对储层进行定量评价;④利用多信息含油性预测方法对储层的含油性进行评价.在潜江凹陷广北油田,应用上述岩性油藏预测方法预测了储层发育区域,部署的广43-1井钻遇的某砂组与预测的厚度吻合,试获38.0 t/d的高产工业油流.
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