任丘雾迷山组油藏高含水后期综合调整的实践与认识

任丘雾迷山组油藏为裂缝－孔隙型块状底低饱和碳酸盐岩油藏，这类油藏的后期开发治理是目前国际上普遍关注的难题．针对油藏高含水开发后期暴露出的主要矛盾，打破灰岩油藏保持压力开采的传统做法，采用降低开采、封堵出水大孔道、选择性提液等三大技术措施，有效地控制了大裂缝的水窜，提高了中小含油裂缝的水驱波及程度，减缓了油藏产量递减，提高了油藏最终采收率．实践证明，这一套综合措施对改善油藏高含水后期开发效果是行之有效的，且为同类型油藏的开发提供了宝贵的经验．

Practice and Knowledge of Later Period Comprehensive Adjustment of Wuminshan High Water Cut Reservoir,Renqiu Oil Field

uminshan Reservoir of Renqiu Oil Field is a block reservoir of carbonate with low saturation,fractures,pores and bottom water. The later period development of such reservoir and harnessing are difficult problems to which people concerned all over the world are paying close attention. In view of the contradictions arising in the later period development of this kind of reservoir,three technological measures were taken:recovery with the pressure lowered,plugging the big holes flowing out water and extracting water selectively. These measures effectively controlled water channeling of big factures,improved the results by water driving,reduced the progressive reduction of oil production and raised the final recovery factor of the reservoir. Practices have proved that these comprehensive measures are feasible for the later period development of high water cut reservoIr.