排液及解水锁一体化采气技术在大牛地气田中的应用及评价  

Integrated Liquid-drainage and Waterunlocking Technologies and Their Application to Daniudi Gasfield

作　　者：杨易骏[1] 王锦昌[1] 周瑞立[1] 隋冬梅 杨芾汕[1] 符伟兵[1] 

机构地区：[1]中国石化华北油气分公司石油工程技术研究院,河南郑州450006

出　　处：《天然气技术与经济》2018年第5期27-29,共3页Natural Gas Technology and Economy

摘　　要：针对大牛地气田开发后期部分老井存在井底积液及近井地带水锁伤害问题,选取3口病态老井开展了集"泡排+强排"、解水锁为一体的采气技术先导试验。现场应用表明,3口老井措施后日均增产2 720 m^3、累计增产393179 m^3,试验有效期为126～193 d,具有良好的增产效果。经济核算显示,3口老井日创效0.32万元、累计创效45.61万元,施工总费用43.44万元,投入产出比为1∶1.05,具有一定的经济效益。Many older wells in Daniudi gasfield emerged two questions of downhole liquid and near-wellbore water locking along with their development entering into later stage. So, taking three diseased and older wells as examples, we carried out some pilot tests on integrated recovery of both foam discharge + forced discharge and water unlocking. Results show that, these integrated technologies bring clear gains, incremental gas yield and accumulative output respectively come to 2 720 m^3/d and 393 179 m^3, and the test's period of validity is as long as 126～193 d. Additional,economic accounting displays that, after technological application to these three wells, certain economic profit has been got, such as daily benefits of $3200 and accumulative benefits of $456100,total investment of $434400, and input-output ratio of 1:1.05, individually. In general, their application has a brighter future.

关 键 词：排液 解水锁 一体化采气 应用及评价 大牛地气田 

分 类 号：TE377[石油与天然气工程—油气田开发工程]