川西须家河组气藏深井排水采气方式介入时机判断方法的研究  

Research on the timing of drainage gas production of deep wells of Xujiahe gas reservoir Western Sichuan Province

作　　者：荆华 赵凯 Jing Hua;Zhao Kai(SINOPEC,Southwest Oilfield Branch,Deyang 618000)

机构地区：[1]中石化西南油气分公司采气一厂,四川德阳618000

出　　处：《石化技术》2018年第7期189-191,共3页Petrochemical Industry Technology

摘　　要：针对川西须家河组裂缝性有水气藏,气井投产后先后不同程度产水,见水后稳产困难,有水淹风险的难题,结合井筒积液判断基础方法,利用井筒流态法、临界携液流量法及生产动态法3种评价指标对判断结果的影响程度,通过层次-模糊综合评判法将指标权重系数与评价矩阵模糊合成而形成一种综合性的判断方法,实现排水采气方式介入最佳时机的目的,经现场试验比对介入时机判断结果吻合度高,工艺效果明显。In the fractured water-bearing reservoir of Xujiahe group,West Sichuan,gas wells have encountered such problems as water production after initialization,poor ability to maintain productivity and high risk of waterflooding.In this article,based on basic well bore fluid accumulation judgment methods,well bore fluid flowing status method,critical fluid loading volume method and dynamicproduction analysis method are evaluatedto determine each of the affection degree on the result;by using the fuzzy level overall evaluation method,fuzzy combination of the weighted coefficient and evaluation matrix is done to establish a new way of evaluation for judging the right timing for drainage gas production.Field tests have proven the effectiveness.

关 键 词：须家河 产水 积液 综合评判 排水采气 

分 类 号：TE377[石油与天然气工程—油气田开发工程]