摘要:低渗透油藏油井常采用水力压裂方式进行投产,通过改善井筒周围储层的渗流能力,从而提高油井产量。在油藏数值模拟中应用等效裂缝、局部网格加密等方法模拟裂缝时存在油井指标拟合精度低、油藏整体压裂优化效果差等问题;应用t Navigator油藏数值模拟软件的压裂模拟功能,不仅提高了S低渗透油田压裂井开发指标的拟合精度,而且优化了合理裂缝半长为60 m-90 m。当裂缝半长为60 m时,合理井距为150 m。
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