东濮凹陷濮卫地区沙三段储层孔隙定量演化  

Quantitative simulation of porosity evolution in the third Member of Shahejie Formation in Puwei area in Dongpu depression

作　　者：潘志鸿[1,2] 庞雄奇 郭坤章[1,2] 徐田武 胡涛[1,2] 唐令[1,2] 邵新荷[1,2] 倪仕琪 徐源 

机构地区：[1]油气资源与探测国家重点实验室 [2]中国石油大学(北京)地球科学学院盆地与油藏研究中心 [3]中国石化中原油田分公司勘探开发研究院

出　　处：《中国石油勘探》2018年第1期91-99,共9页China Petroleum Exploration

基　　金：中国石油化工股份有限公司科技攻关项目"东濮凹陷油气富集规律及增储区带研究"(P15022)

摘　　要：东濮凹陷濮卫地区沙三段是重点勘探目标之一,沙三段发育常规储层及致密储层,如何有效进行孔隙度预测、分析储层致密演化是目前的重要难点。在分析研究区储层沉积特征、岩石学特征、物性特征、成岩作用特征基础上,以现今孔隙度为约束,并结合埋藏史建立了以时间、深度为参数的孔隙度模型。该模型将成岩作用分为4段,即浅部压实作用、压实胶结作用、溶蚀作用及溶蚀作用结束以后的压实胶结作用,可以模拟出地史过程中储层孔隙演化。该模型经过实例验证取得了较好的结果,符合实际地质情况且精度较高,可以推广到相同沉积相带储层孔隙演化模拟,为濮卫地区油气勘探工作提供指导。The third Member of Shahejie Formation （Es3） in Puwei area in Dongpu Depression is one of the most important exploration targets, where both conventional and tight reservoirs are developed, but how to effectively predict porosity and analyze the evolution of the tight reservoirs are very challenging. Based on the characteristics of the sediments, petrology, reservoir properties and diagenesis, a porosity evolution model is established in time and depth domains with the constraints of modern porosity and burial history. The model is composed of four parts in terms of diagenesis, i.e. shallow compaction, compaction and cementation, dissolution and post-dissolution compaction and cementation, Which can simulate the porosity evloution during the geological period. The model has been proved to be of high precision and consistent with actual geological conditions. Therefore, it can be used to simulate the porostity evolution in the reservoir with the same sedimentary facies, and will provide guidance for oil and gas exploration in Puwei area.

关 键 词：成岩作用 埋藏史 孔隙演化 定量模拟 沙三段 东濮凹陷 

分 类 号：TE112.2[石油与天然气工程—油气勘探]