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1、成都理工大学 博士学位论文 塔河1区三叠系底水油藏精细地质建模及治水措施研究 姓名：刘鸿博 申请学位级别：博士 专业：油气田开发工程 指导教师：周文 20100601 摘 要 I 塔河 1 区三叠系底水油藏精细地质建模 及治水措施研究 作者简介： 刘鸿博， 女， 1980 年 12 月生， 师从成都理工大学周文教授， 2010 年 6 月毕业于成都理工大学油气田开发工程专业。 摘摘 要要 底水油藏是油田开发过程中难度较大的油藏类型之一。该类油藏同国内外的 常规油藏相比，在地质、油藏工程和开采特征等方面存在显著差异。塔河 1 区三 叠系下油组是典型的大底水小油顶的块状底水油藏， 塔河 1 区三叠
2、系下油组是长 轴近 SW- NE 向的低幅背斜，沉积物源方向主要来自北东向，为一套辫状三角洲- 滨浅湖沉积相。储层岩性为灰、灰白色粗、中、细粒长石岩屑砂岩、岩屑长石砂 岩，局部含砾，储层非均质性强，渗透率变化大，分布有隔夹层，开发过程中水 体活跃，生产见水快。本文从开发地质、储层地质模型、夹层的成因、类型、厚 度和分布、断层的封堵性、油藏工程、目前开发方案的实施情况和治水措施等方 面系统阐述了含夹层底水油藏的有效开发技术。 在研究中，充分吸收前人的研究成果和认识，应用最小二乘支持向量机原理 与方法，对塔河 1 区三叠系下油组油藏物性参数进行测井二次解释，得到与实际 相吻合的孔隙度和渗透率。在此
3、基础之上进行油藏地质建模，利用测井二次解释 的物性参数以及隔夹层的展布，重点考虑底水对油藏的影响，建立起塔河 1 区三 叠系下油组三维精细地质模型。通过对单井隔夹层的识别，结合该地区沉积相特 征，对整个区块的隔夹层分布进行评价，建立水侵地质模型，进行单井水侵数值 模拟，提出适合塔河 1 区三叠系下油组底水油藏的水侵模式。收集整理塔河 1 区 三叠系下油组历年开发动态数据，从产量递减规律、储量动用程度、采收率及油 田开发后期治水等多个方面进行研究评价。 应用油藏数值模拟技术对下油组目前 开发阶段和制度下的剩余油分布规律和治水控制因素进行预测。综合地质、开发 的研究成果，针对塔河 1 区三叠系下油
4、组目前存在的问题制定出综合治水方案。 论文以塔河 1 区三叠系下油组底水油藏为研究对象，立足于下油组油藏隔夹 层发育，底水发育的地质特征，以解决目前油田含水上升快等油田开发存在的问 题，以计算机技术和建模、数模等软件为手段，综合地质、测井及生产动态等多 方面资料，采用油藏评价一体化研究思路，动静结合，由定性到定量，形成了一 成都理工大学博士学位论文 II 套含夹层、大底水油藏的研究思路和技术方法， 为同类油藏的勘探开发提供了探 索性研究。 关键词关键词：塔河 1 区 夹层 底水油藏 三维精细地质建模 水侵模式 油藏数值模拟 Abstract III Fine Geologic Modeling
5、 of Triassic Bottom Water Reservoir and Study of Water Control Measure in the 1st Block of Tahe Oilfield Abstract Bottom water reservoir is the great difficulty reservoir in the process of oilfield development. This type reservoir has significant differences compared with home and abroad conventiona
6、l reservoir in geological, engineering and recovery characteristics. Triassic lower oil formation of the 1st block of Tahe oilfield is the typical massive reservoir which has large bottom water but small oil top. Triassic lower oil formation of the 1st block of Tahe oilfield is a low amplitude antic
7、line that its long axis is close to SW- NE trending. Sedimentary material source direction mainly comes from northeast direction. Sedimentary facies is braided delta- coastal shallow- lake facies. Reservoir lithology is grey, ironcored grey crude, medium, fine grained feldspathic lithic sandstone an
8、d debris- feldspar which partly contains conglomerate. Reservoir has strong heterogeneity and distributed barrier and interlayer. Permeability has large variation range. The water- body is active in the process of development. Water breakthrough speed is too fast. In this paper, we systematic exposi
9、te the effectively developed technology of the flaggy, interlayer and bottom water reservoir in development geology, reservoir geological model, the cause, type, thickness and distribution of interlayer, the sealing characteristics of faults, reservoir engineering, the present developed scheme and w
10、ater control method. Useing the least squares support vector machine, the physical parameter of the reservoir is explained in the study. The porosity and permeability close to actual experiences is obtained. Using the physical parameter of well log interpretation and interlayer, we mainly consider t
11、he effect of bottom water. Based on above, we performed 3D fine geologic modeling. The interlayer of wells is identified. And the interlayer distribution combined with sedimentary facies features are evaluated. The water invasion models of triassic lower oil formation of the 1st block of Tahe oilfie
12、ld are established though the geological model and numerical simulation of well. Collect and arrange the jahrlich development dynamical datas, we evaluate the reservoir from the production decline rule, reserves producing degree, recovery factor, water control of the late stage of development. Using
13、 numerical simulation of reservoir, we predict the residual oil distribution rule and water control factors in the present stage. The 成都理工大学博士学位论文 IV integrated water control method is established. The paper takes Triassic lower oil formation of the 1st block of Tahe oilfield as example，based on the
14、 geological characteristics of interlayer and bottom water development, to solve the present problem of water increased quickly, with computer technology, Petrel and Eclipse software, integrated geological, logging and reservoir engineering using reservoir evaluation integrated research ideas, combi
15、ning static and dynamic, from qualitative to quantitative, formed a serious of research approach and technical methods of interlayer and large bottom water reservoir for the exploration and development of similar reservoir provides exploratory. Keywords: The 1st Block of Tahe Oilfield Interlayer Bot
16、tom Water Reservoir 3D Fine Geologic Modeling Water Invasion Model Numerical Simulation of Reservoir 独创性声明 本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的 研究成果。据我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其 他人已经发表或撰写过的研究成果， 也不包含为获得 成都理工大学 或其他教 育机构的学位或证书而使用过的材料。 与我一同工作的同志对本研究所做的任何 贡献均已在论文中作了明确的说明并表示谢意。 学位论文作者签名： 年 月 日 学位论文版权使用授权书 本学位论文作者完全了解 成都理工大学 有关保留、 使用学位论文的规定， 有权保留并向国家有关部门或机构送交论文的复印件和磁盘， 允许论文被查阅和 借阅。本人授权 成都理工大学 可以将学位论文的全部或部分内容编入有关数 据库进行检索，可
