水平井不均衡水淹挖潜对策研究  

Study on countermeasures for uneven water flooding in horizontal wells

作　　者：彭逸 洪亚飞 张顺康[1] 孙东升[1] PENG Yi;HONG Yafei;ZHANG Shunkang;SUN Dongsheng(Exploration and Development Research Institute of Jiangsu Oilfield Company,SINOPEC,Yangzhou 225009,China)

机构地区：[1]中国石化江苏油田分公司勘探开发研究院,江苏扬州225009

出　　处：《复杂油气藏》2023年第1期76-81,共6页Complex Hydrocarbon Reservoirs

基　　金：江苏油田分公司“中高渗油藏高含水期差异化剩余油表征及挖潜调整关键技术研究”(JS22011)。

摘　　要：水驱油藏水平井见水时间迥异,水淹机理复杂,调整难度大,给水平井的高效开发带来一系列难题。高含水期水平井水淹问题的研究大多停留在水淹模式的定性识别,对矿场实际应用的指导性不强。以江苏油田已投入开发水平井为研究对象,基于水平井水淹程度定量评价,明确了不同类型水平井的水淹状况;通过开展岩心驱替实验,研究了水平井平面水驱规律和流场优化调整方式,以期为水平井开发提供借鉴。Horizontal wells in water-driven reservoirs have a very different time to water breakthrough,the water flooding mechanism is complex,and the adjustment is difficult,which brings a series of problems that restrict the efficient development of horizontal wells.Most of the studies on water flooding in horizontal wells in the high water cut period remain in the qualitative identification of water flooding patterns,which provides little guidance to the practical application in the minefield.Taking the horizontal wells developed in Jiangsu Oilfield as the research object,and based on the quantitative evaluation of the water-out degree of horizontal wells,it was clarified the water-out conditions of different types of horizontal wells.Through the core flooding experiment,it was studied the horizontal well plane water flooding rule and flow field optimization adjustment mode.The adjustment method is expected to provide a reference for the development of horizontal wells.

关 键 词：水平井 高含水期 水淹规律 流场调整 

分 类 号：TE323[石油与天然气工程—油气田开发工程]