保护油层分层采油工艺管柱试验研究  

Test and Application of Layering Oil Production Pipe String for Oil Reservoir Protection

作　　者：李志广 闫永维 李风涛 李川 张子佳 王勇[2] 

机构地区：[1]中国石油大港油田石油工程研究院,天津300280 [2]大港油田第六采油厂,天津300280

出　　处：《石油矿场机械》2014年第11期57-60,共4页Oil Field Equipment

基　　金：中石油大港油田基金项目"多压力系统油层分采技术及配套工具研究与应用"(20110209)

摘　　要：目前,油田大多数老区块和部分新开发区块的地层能量低,压井作业后压井液污染油层,油井恢复周期长,恢复后的油井产能大幅度降低,直接影响油井产量。为解决常规机械分层采油生产管柱不能保护油层的问题,设计了新型的油层保护器,配套安全接头,自验封封隔器,并对新研制的保护油层分层采油管柱优化配套。现场应用数据分析表明:管柱能够有效降低油井检泵作业后产能恢复的时间,同时能够在油井生产时关闭或开启任一油层,实现油井不动管柱换层开采。At present,formation energy of most long-term developed oilfield and some new developed oil field is low.The recovery cycle of oil well is long after oil reservoir is polluted by wellkilling fluid,and oil well capacity is greatly reduced after recovery,which directly affects the oil production.The conventional mechanical layering oil production pipe cannot protect oil reservoir.To solve this problem,the reservoir protection device,safety joint and self-checking packer are designed,and layering oil production pipe string for oil reservoir protection is deployed for optimization.Through analysis of the application in the field,the data shows that the pipe string can effectively reduce the recovery time of well capacity after the pump inspection operation,also can close or open any oil layer in production,achieving to switch production layer without dragging the pipe string.

关 键 词：保护油层 分层采油 检泵 压井 管柱 

分 类 号：TE931.2[石油与天然气工程—石油机械设备]