毕业设计（论文）-延长东部Y306井区山2段储层特征研究.docVIP

本科生毕业论文 题目：延长东部Y306井区 山2段储层特征研究 学生姓名：wxy 院 （系）：地球科学与工程学院 专业班级： 勘探1001班 指导教师： 完成时间： 2014 年06月05 日 延长东部Y306井区山2段储层特征研究 摘要 在前人对山西组2段储层研究的基础上，本文以鄂尔多斯盆地Y306井区20口井的测井资料为基础，结合电镜扫描、铸体薄片、压汞数据、粘土报告、气水相渗等资料，对山2段储层特征进行进一步探究。 山2段储层主要为碎屑岩储层，其沉积亚相为三角洲前缘沉积，微相主要为水下分流河道；受沉积旋回控制，结合岩电特性以及标志层煤，本文将山2段储层进一步分为三个部分，从下向上依次为：山23段、山22段、山21段；并对每一段的岩性、物性、构造特征、微观特征等进行细化研究。最终，我们得出山2段储层有以下特征：山2段平均厚度63米，储集层主要为石英砂岩；平均渗透率1.2m，平均孔隙度为7.2%，为典型的低渗透储层；含气段主要在山21段，山23段。 关键词：Y306井区；山2段；储层特征 Reservoir characteristics research of Shan 2 Y306 well area in eastern of YanChanggasfield Abstract On the basis of Shanxi group 2 reservoir that had been studied by previous person，this article will have a further research on Shanxi group 2 reservoir with 20 well logging data，scanning electron microscopy datum，cast thin date，mercury data，clay report，and gas-water relative permeability so on in the Ordos Basin Y306 well area． The Shanxi group 2 reservoir is mainly the clastic reservoirs．Its sedimentary facies belong to the delta front deposit，and the microfacies are mainly the underwater distributary channel. Sedimentary cycle control action as well as the electrical properties of rock and flag layers with coal，in this article，the Shanxi group 2 reservoir will be divided into three parts， from the bottom to up：section Shan23Shan22，Shan21We will study every section on their Lithology，physical properties， structural features and microscopic features so on . Ahe average thickness of Shan 2 section is 63m，and reservoir stratum is mainly quartz sandstone；the average is 1.2 mD，and the porosity is 7.2%，it belongs to the typical low permeability ；the main distribution of gas layers arelocatade in section shan21，shan23. Key word： Y306 well area；the Shanxi group 2 reservoir；reservoir feature；gaslayers distribution 目录 1. 绪论 1 1.1 研究目的及意义 1 1.2 研究区研究现状 1 1.3 主要研究内容 2 1.4 技术思路及技术路线 2 1.5 完成工作情况 2 2. 地层及构造特征 4 2.1 地理位置 4 2.2 地层简况 5 2.2.1 地层划分 5 2.2.2 地层横向对比 11 2.3 构造特征 14 3. 储层特征 18 3.1 储层沉积类型及特征 18