延长油田延安组油藏优化注水技术

Journal of Yanan University(Natural Science Edition)(2019)

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Abstract
以延长油田西部延安组注水油藏为研究对象,针对目前油藏含水上升快,注采关系不对应,水驱控制程度低等问题,以实现均衡温和注水、提高最终采收率为目的.主要做法是纵向上对开发层系进行精细划分,减小层间干扰,平面上根据该区油藏开发特征对井网进行优化调整,以边缘注水和点状注水相结合的方式提高注水效率、对采油井增产措施与参数优化并举以达到驱替和压力平衡.本文以老庄区块注水开发为例,为延长油田延安组注水开发区块的开发提供了经验.
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