利津油田利33-19井组周期注水数值模拟研究  

Study of numerical simulation of cyclic waterflooding in Li 33-19 well group of Lijin oilfield.

作　　者：沈国华[1] 

机构地区：[1]胜利油田有限公司滨南采油厂

出　　处：《油气地质与采收率》2004年第3期48-50,共3页Petroleum Geology and Recovery Efficiency

摘　　要：储层的高度非均质性是制约油田开发的一个主要因素 ,而周期注水是减小储层非均质性不利影响的开发措施。利津油田利 33- 19井组成功地实施了周期注水 ,应用效果显著。应用油藏数值模拟手段对利 33- 19井组周期注水效果进行了分析研究。注水的周期性变化 ,使得油水平面及纵向渗流发生改变 ,引起高渗透层含水饱和度的降低 ,改善了开发效果。日注水量越大 ,高渗透层原油的浸入越多 ,效果越好 ;随开采程度的提高 ,周期注水效果变差 ,这时注水周期应缩短 。Severe heterogeneity of the reservoir is a very important factor that restricts the development effect. Cyclic waterflooding is an excellent method of reducing unfavorable effect of the heterogeneity. Cyclic waterflooding is carried out in Li 33-19 well group of LiJin oilfield achieving a satisfactory application result. The efficiency of the cyclic waterflooding in Li 33-19 well group has been studied with the help of reservoir numerical simulation. The periodic change of water flooding results in the difference of the planar and vertical flow of oil and water, which makes the water saturation in the highpermeability reservoir reduce and development effect improve. The more volume of daily water injection, the more crude immersion in the high permeability reservoir and the better efficiency. Along with the further development of oil field, the cyclic waterflooding effectiveness becomes poor. At this time, the injection cycle should be reduced and intensity of water injection should be enhanced.

关 键 词：利津油田 储层 非均质性 油田开发 注水开发工艺 

分 类 号：TE357.6[石油与天然气工程—油气田开发工程]