鄯善油田三间房组油藏油水界面分布状态的主导因素分析

Tao HAN,Hui WANG,Shi-mi PENG,Hong-lai MA, Hong-guo WU

Xi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences Edition(2007)

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Abstract
近期的新钻加密井发现鄯善油田三间房组油藏油水界面与开发初期所认为的形态有明显不同.通过对油水界面分布情况及地层水矿化度、化学成分、水型等方面的研究,认为造成这种状况的主导因素是鄯善油田正好位于地下水排泄区内,地下水自西北部侵入鄯善油田,使西区、北区油水界面严重抬升,地层水矿化度及化学成分也发生了相应的变化.这对确定新钻加密井井深,提高水淹层解释符合率具有现实的指导作用.
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Key words
Formation water,Hydrodynamic system,Oil-water interface,Shanshan Oilfield
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