影响特低渗透油藏超前注水效果的因素

Factors influencing advanced water injection efficiency in ultra-low permeability reservoir

重点研究了合理地层压力保持水平、渗透率、应力敏感性和启动压力梯度对超前注水的影响,不仅对有效开发特低渗透油藏具有实际意义,也对今后在特低渗透砂岩油藏中进行超前注水开发具有借鉴意义。

This article focuses on the impacts of reasonable formation pressure,permeability,stress sensitivity and startingpressure gradient on advanced water injection,which is not only meaningful to the development ultra-low permeability reservoir,but also be referential for advanced water injection in ultra-low permeability sandstone reservoir.