东海西湖开发区低产水气井出水层位判别技术  

Determination of Water Production Zone in Low Water-producing Gas Well of Xihu Development Zone in East China Sea

作　　者：付焱鑫 牛朋[2] 张小龙 路颖 马恋 

机构地区：[1]中海石油(中国)有限公司上海分公司,上海200335 [2]中海油田服务股份有限公司油技事业部,北京101149

出　　处：《长江大学学报（自然科学版）》2018年第3期46-50,共5页Journal of Yangtze University(Natural Science Edition)

摘　　要：东海西湖开发区多井见水,气藏见水后单井产能明显下降,气藏采收率降低,如何及时采取卡水措施是困扰气藏开发控水稳产的难点之一。见水初期产水量小,常规生产测井曲线上没有明显的出水指示特征,难以准确判别出水层位。深入研究了生产测井曲线与裸眼测井曲线的差异特征,提出了一种基于伽马对比法的低产水气井出水层位判别技术,经实际生产措施验证,准确度高,操作简便易用,有效解决了低产水气井出水层位难以准确识别的问题,对其他地区气藏出水层位识别有较好的借鉴作用。Water was produced in many gas wells in Xihu Development Zone of East China Sea,the single well productivity was obviously declined and gas recovery was lowered after water production in the gas reservoir.How to take water plugging measure timely was one of the difficulties for water controlling and production stabilizing,water production was low at the initial stage of water production.There was no obvious water-producing indication in conventional production logging curves,which induced difficulties for accurate determination of the water production zone.The differences between production logging curves and open-hole logging curves are further studied in this paper,a comprehensive identification technology based on GR comparison analysis method is proposed,it is verified in practical production measures that it is of high accuracy,easy for operation and application,it effectively solves the problem that it is difficult to identify the water zone accurately in low production gas wells.It provides good reference for identifying water-producing zone in the gas reservoirs from other areas.

关 键 词：生产测井 伽马对比法 气井 低产水 出水层位 东海盆地 西湖开发区 

分 类 号：P631.84[天文地球—地质矿产勘探]