西北克孜及亚油田潜山油藏储集层及开发效果评价  

RESERVOIR CHARACTER AND DEVELOP PERFORMANCE ANALYSIS ON BURIED HILL RESERVOIR IN NORTH WEST KYZYLKIYA OIL FIELD OF SOUTHTURGAY BASIN

作　　者：杨智刚[1,2] 刘旺东[1] 潘国华[1] 王志钢[1] 阿布都艾尼[1] 

机构地区：[1]中国石油新疆油田分公司勘探开发研究院,新疆克拉玛依834000 [2]中国石油哈萨克斯坦公司PK项目,克孜洛尔达州120001

出　　处：《新疆石油天然气》2016年第1期6-12,1,共7页Xinjiang Oil & Gas

基　　金：中国石油哈萨克斯坦公司科研基金研究项目(201204059)

摘　　要：西北克孜及亚油田为典型的碳酸盐岩潜山油藏,油藏特征复杂,开发中对储集层特征和开发效果认识不清。通过运用潜山岩溶学理论并结合开发实践,对油藏模式进行了精细划分,岩性可归纳为风化带和灰岩带两大类型;岩溶带划分为风化壳带、表层带、洞穴带、渗滤带、潜流带和基岩带,其中洞穴带、表层带、风化壳带为产量主要贡献带;通过采用类比相似油田和结合动态分析方法,认为油田产量形势表现为递减快、稳产难度大;产量差异受溶洞、裂缝等因素影响;含水特征主要受裂缝发育及物性差异影响,总体表现含水率快速上升。该研究成果有助于揭示西北克孜及亚油田及类似油田开发特征规律,并为此类油田合理开发提供指导作用。North West Kyzylkiya oil field is a typical carbonate buried hill reservoir. It is located in South Tur-gay Basin in Kazakhstan. Paleozoic is considered to be the main oil bearing development layer represented byshallow-marine carbonate deposits where some marine creatures exist such as a whole fish body found as a resultof preliminary visual study of core samples. Fractures and caves were observed which make the reservoir so com-plex on production performance that causes many difficulties during development. The most important is to identi-fy lithology,lithic facies and the stage of development. It needs to make clear up the factor on causing differentproduction performance,what effects it will make on horizontal well practicing. Therefore,the theory of carbonatesediments was used to study the character of buried hill reservoir in North West Kyzylkiya oil field while it wascombined the development experience. The achievements of research include:The lithology can be divided intotwo main kinds:carbonate and breccias. Six sedimentary facies are described such as Weathered crust,Skin lay-er,Cave belt,Vadose zone,Phreatic zone and bedrock zone. The similar reservoirs contrast result indicates thatproduction performance with big decline.

关 键 词：潜山油藏 储集层特征 开发特征 

分 类 号：TE122.25[石油与天然气工程—油气勘探]