葡西油田G1区块葡萄花油层沉积相研究  

Study on Putaohua reservoir in block G1 of Puxi oilfield

作　　者：钟丹[1] 任街平 石伟 代晓娟[1] 

机构地区：[1]东北石油大学地球科学学院,黑龙江大庆163318 [2]西南石油工程公司临盘钻井分公司地质大队,山东德州251508 [3]中国石油长庆油田分公司第十采油厂,甘肃庆阳745000

出　　处：《哈尔滨商业大学学报（自然科学版）》2016年第5期521-525,共5页Journal of Harbin University of Commerce：Natural Sciences Edition

基　　金：国家高技术研究发展计划(863计划)(2013AA064903);国家自然科学基金(41272153)

摘　　要：以葡西油田G1块葡萄花油层为研究对象,利用岩心、录井资料、测井资料、实测物性资料进行沉积微相研究.研究结果表明,目的层属于三角洲前缘亚相,进一步识别出水下分流河道、主体席状砂、席状砂、席内缘、席外缘和分流间湾等沉积微相,并对各沉积时间单元的沉积微相进行了准确识别,为认识砂体展布特征提供了有力依据.在此基础上,考虑成岩作用对物性改造的影响,研究物性与沉积微相之间的关系,利用统计学方法对实测物性资料进行统计,定量得出了各微相类型的物性参数范围.研究表明,水下分流河道和主体席状砂物性最好,为最有力的优势储层,以上研究为油气勘探提供了地质基础.Regarding Putaohua reservoir in block G1 of Puxi oilfield as the object,the data of core,mud log,log information and measured physical property were used to carry out the study of microfacies. The study results showed that objective layer belonged to delta front facies,and the types of microfacies were further identified： underwater distributary channel,the main sheet sand,sheet sand,inner edge of sheet sand,outer edge of sheet sand and interdistributary bay. The microfacies of depositional time unit are identified accurately,which provide powerful evidence for knowing the distribution characteristics of sand body. Above all,considering the influence that diagenesis remould physical characteristics,the relationship between physical properties and sedimentary microfacies was studied. The statistical methods count true measured data of physical property were used to quantificationally gain the scope of physical parameters of each microfacies type. Data showed that the physical property of underwater distributary channel and main sheet sand was the best,which was the most favorable reservoir. The research above provided geological basis for the exploration of oil and gas.

关 键 词：葡西油田G1区块 葡萄花油层 三角洲前缘沉积 沉积微相 储层物性 

分 类 号：TE122[石油与天然气工程—油气勘探]