薄层碳酸盐岩油藏水平井开发建模策略--以阿曼DL油田为例

Geo-modeling for thin carbonate reservoirs developed with horizontal wells:A case from DL Oilfield,Oman

利用水平井开发薄层油藏是目前油田开发的一项重要技术手段,在国内外得到了广泛应用。如何利用地震、地质、测井、试井等信息,采用最佳建模策略,建立能够满足薄层油藏水平井开发要求的高精度储集层地质模型成为一个具有挑战性的课题。以阿曼DL油田为例,针对研究区碳酸盐岩储集层沉积成因特点,根据多学科综合一体化原则,基于地质概念,集成多种数据进行综合建模研究,采用"三步建模法"(储集层沉积模式;沉积相模型;储集层参数模型),将确定性建模与随机建模相结合,建模过程中充分利用多分支水平井资料,提高了模型的精度。通过模型统计对比及油藏数值模拟检验,证实了所建模型的正确性。

Developing thin bed reservoirs with horizontal wells is an important technique,which has been widely adopted all over the world.It is a big challenge how to integrate seismic,geology,logging and testing data,and employ optimum modeling strategies to build a high resolution geological model for meeting thin reservoir development in horizontal wells.Taking DL Oilfield,Oman for example,in response to carbonate reservoirs mainly controlled by deposition,the geo-modeling strategies of 'three-step geological mode...