低渗透油藏提液技术研究  

RESEARCH ON TECHNOLOGIES FO INCREASING LIQUID OUTPUT IN RESERVOIR WITH LOW PERMEABILITY

作　　者：梁成钢[1] 马宝军[1] 蔡军[1] 杜军社 吴清玉[1] 

机构地区：[1]中国石油新疆油田分公司准东采油厂,新疆阜康831511 [2]中国石油新疆油新疆培训中心,新疆乌鲁木齐830000

出　　处：《新疆石油天然气》2010年第4期60-62,共3页Xinjiang Oil & Gas

摘　　要：低渗透油藏由于储层低渗透和非均质性强的特点,提液难度较大。通过对北31油藏的研究认为,通过分注、调剖减小层间差异,提高压力保持程度,对于液量较低井采用压裂和提液,提高油井供液能力,对于特高含水井采取堵水和提液相结合控制含水比上升,创造条件满足油藏的提液要求。另外,选择合理时机,最大限度的提高采收率。在具体做法上依据油井生产特征,不同井采取不同的提液方式,低渗透油藏提液同样取得了好的效果。Because of low permeability,reservoirs with low permeability and heterogeneity are vey hard to recover oil.Based on researches for Bei 31 Reservoir with low permeability and reservoir heterogeneity,different methods of increasing liquid output were adopted to increase the recovery and obtain a good result.For oil wells with lower liquid output,fracturing and increasing pumping were used to increase liquid output;for oil wells with high water cut,shutoff and increasing pumping were carried out to control watercut rise and increase output;for water wells,profile control,seperation injection and maitaining high formation pressure level were applied.The above technological applications in Bei 31 reservoir can greatly increase the recovery.

关 键 词：低渗透 油藏 动用状况 压力系统 提液 

分 类 号：TE348[石油与天然气工程—油气田开发工程]