特低渗透油田解堵技术研究与应用  

THE RESEARCH AND APPLICATION OF BLOCKING REMOVAL TECHNOLOGY IN OILFIELDS WITH ULTRA-LOW PERMEABILITY

作　　者：付永明[1] 吴玉昆[1] 

机构地区：[1]中石化江汉油田分公司采油工艺研究院,湖北潜江433123

出　　处：《新疆石油天然气》2009年第1期63-66,71,共5页Xinjiang Oil & Gas

摘　　要：坪北油田属特低渗透油田,地层压力低、地层温度低,在注水开发过程中出现了因地层近井地带堵塞引起的油井产能下降的问题,严重制约了油井稳产。通过对可能导致油层堵塞的原因进行了深入分析,在大量室内试验的基础上研究出了适合特低渗透油田的解堵液配方。现场应用表明,本解堵技术效果明显,经济效益显著,有推广应用前景。The feature of PinBei oilfield is low permeability,low pressure and low temperature.Decrease of well production was caused because of stratum plugging of the well pre-bore during the course of water flooded oil reservoirs,and this resulted in instability of well production.Analyzing the reasons for stratum plugging and making a great deal of indoors experiments,the authors had developed a formula of blocking removal fluid which suited the reservoir with ultra-low permeability.The result of field application indicated that this blocking removal technology had notable good effect,remarkable economic benefits and a bright future for application.

关 键 词：特低渗透 压裂 无机垢 有机垢 解堵 

分 类 号：TE358[石油与天然气工程—油气田开发工程]