转蒸汽驱最佳吞吐轮次的确定  

Determination of Optimal Cyclic Steam Cycles for Converting into Steam Drive

作　　者：黄伟强[1] 马新明 郑爱萍[1] 吕其军[1] 白秀娟[1] 高国红 

机构地区：[1]中国石油新疆油田分公司重油开发公司,新疆克拉玛依834000 [2]天津厚德广汇科技发展有限公司,天津300100

出　　处：《新疆石油地质》2013年第6期665-668,共4页Xinjiang Petroleum Geology

摘　　要：在蒸汽吞吐和蒸汽驱组合开采中,转蒸汽驱时的吞吐轮次对稠油油藏的开采效果具有重要影响。转驱时的最佳吞吐轮次与油层厚度、渗透率、原油黏度等油藏参数和井距有关。根据这些影响因素定义了转驱因子Cm,并通过对新疆克拉玛依油田383个汽驱井组的分析,建立了转驱时的最佳吞吐轮次与Cm的关系式。依据此关系式可以确定一个油藏或井组的最佳吞吐轮次。In the combination exploitation of steam stimulation and steam drive, the cyclic steam cycles for converting into steam drive are of important effects on the recovery efficiency. The optimal cyclic steam cycles for steam drive are related with reservoir thickness, permea- bility, oil viscosity etc. and well spacing. In this paper, the factor of converting into steam drive （Cm） is defined on the basis of these influenc- ing factors, and by analysis of 383 steam drive well groups in Karamay oilfield, the relational expression between the optimal cyclic steam cycles and the factor Cm is established, by which the optimal cyclic steam cycles for converting into steam drive of a reservoir or a well group can be determined.

关 键 词：稠油油藏 蒸汽吞吐 蒸汽驱 转驱时机 吞吐轮次 

分 类 号：TE357.41[石油与天然气工程—油气田开发工程]