江汉油田低渗透油藏注水开发技术研究

Technique of Waterflooding of Low Permeability Reservoir in Jianghan Oilfield

针对江汉油田的低渗透油藏,探索了一套合适的注水开发技术,这就是:确保地层能量的早期注水技术;改善注水开发效果的合理提压注水技术;提高注水开发效果的沿裂缝注水技术;提高驱替效率的脉冲注水技术。并对以上各种技术的应用效果进行了简要分析。

In consideration of low permeability reservoirs in Jianghan Oilfield, a set of waterflooding techniques is established, which includes the technique of early water injection for ensuring formation energy, the technique of rational increase of water injection pressure for improving waterflooding effect, the technique of water injection along fracture for promoting waterflooding effect the technique of pulse water injection for increasing oil displacement efficiency. A brief analysis is performed on the application effect of techniques denoted above.