摘要
大芦湖油田属于低渗透油藏,目前处于开发中后期。为了进一步挖潜,采用数值模拟技术,对大芦湖油田各砂层组的采出状况进行了分析,发现了不同砂层组存在的问题,探讨了完善井网、抽稀井网、不稳定注水等提高采收率技术方法。模拟结果表明,砂层组的采出程度最高,井网相对比较完善,砂层组的主要调整重点应该放在42小层。
Dalu Lake is a low permeability reservoir. Now it is during the middle period and later period of oil development. To enhance oil recovery. Numerical simulation has been implied into the paper. By means of the theory,the production of various sand reservoirs have been analised here. Based on the problems of various sand reservoirs, EOR including perfection well pattern,decreasing wells ,unsteady injection have been discussed here. Recovery percent of reserves of Ⅳ sand group is the best than the others. Its well nets are better than the others. The 42 layer is the adjusting key to Ⅳ sand group.
出处
《天然气地球科学》
EI
CAS
CSCD
2005年第4期535-539,共5页
Natural Gas Geoscience
关键词
大芦湖油田
低渗透油藏
数值模拟
提高采收率
抽稀井网
不稳定注水
Dalu Lake
Low permeability reservoir
Numerical simulation
Enhance oil recovery
Decreasing wells
Unsteady injection.
