川东沙坪场石炭系气藏治水效果初步评价  

WATER-CONTROL EFFECT FOR CARBONIFEROUS GAS RESERVOIR IN SHAPINGCHANG BLOCK,EASTERN SICHUAN BASIN

作　　者：李世临[1] 郑超[1] 陆秀林[1] 秦伟[1] 张文济[1] 何晋玲[1] 

机构地区：[1]中国石油西南油气田公司重庆气矿,重庆市400021

出　　处：《天然气勘探与开发》2012年第4期69-73,11-12,共5页Natural Gas Exploration and Development

摘　　要：对大天池气田沙坪场区块石炭系气藏的各水侵区域的地层水治理效果进行评价,结合各区不同阶段地层水的治理方案与实际生产情况,对比认为现阶段各出水井的治理效果均较好。同时,在对Td90井不同治理措施的效果进行对比分析后认为,高压气举排水和电潜泵排水均起到保护气藏主产区的作用。根据目前气藏的生产现状,提出了气藏南区继续采用泡沫排水措施、北区采用控水采气措施、保证Td90井排水强度不得低于300m3/d方可减缓地层水入侵气藏的速度以及在其附近补打一口井的建议。In Carboniferous gas reservoir of Shapingchang Block,Datianchi gasfield,the effect evaluation of formation-water control in invasion areas and the integration of water-control plans in different stages with the practical situation show that there achieved an effective control in each water-producing well.Through the comparison and analysis of different effects for Td90 Well,it finds out that not only high-pressure gas lifting but also electric submersible pump drainage can protect the main production area from water invasion.This paper also suggests that foam drainage should be adopted in south area whereas water-control gas recovery should be adopted in the north.The drainage strength of Td90 Well can not be lower than 300m3/d so that water invasion can slow down.Moreover,another wells are proposed to be drilled nearby.

关 键 词：沙坪场区块 石炭系 地层水 水侵 治理措施 

分 类 号：P618.13[天文地球—矿床学]