含水层储气库建库注气驱动机理数值模拟研究  

THE NUMERICAL SIMULATION STUDY ON THE GAS-DRIVE MECHANISM OF AQUIFER GAS STORAGES

作　　者：王皆明[1] 王丽娟[1] 耿晶[1] 

机构地区：[1]中国石油勘探开发研究院廊坊分院,河北廊坊065007

出　　处：《天然气地球科学》2005年第5期673-676,共4页Natural Gas Geoscience

基　　金：中国石油天然气与管道分公司科技项目"油气储存技术"三级子课题资助

摘　　要：含水层储气库建库注气与驱动机理数值模拟设计和模拟思路都有其特殊性和复杂性,目前国内对此研究很少。通过采用国外成熟的商业化数值模拟软件,对不同构造特点的含水层在建库过程中的气驱多相渗流特征、气水前缘运动规律和对库容的影响进行了研究;结果表明,在选择适宜的浅层含水构造改建地下储气库时,应优先考虑地层倾角较大的含水构造,以发挥气体垂直重力驱替的良好作用,同时注气驱替时应保持较低的注气渗滤速度,以改善气体的波及效果。There is no experience on the gas-drive mechanism study of aquifer underground gas storages in China. The design of numerical simulation model and methods of simulation are special and complicated. The intensive study on the characteristics of two phase flow and gas water displacement, the effects of gas storage capacity for various structure of aquifer gas storages by the advance reservoir simulation software from foreign software company, the conclusion of simulation indicates that because of the effects of gravity-drive the higher formation dip angle of aquifer rebuilt as gas storage is more suitable than the lower one. Meanwhile, the lower gas injection rate can improve gas displacement efficiency.

关 键 词：含水层 储气库 数值模拟 气驱机理 

分 类 号：TE122.2[石油与天然气工程—油气勘探]