鄂尔多斯盆地天环拗陷南段水文地质特征与油藏富集规律
Journal of Earth Sciences and Environment（2008）
Abstract
从油田水文地质的角度,在鄂尔多斯盆地天环拗陷南段开展了流体运移和油藏保存条件及富集规律的研究.受断层、古河侵蚀等作用影响,地层水从拗陷中心向两侧运移;地层水矿化度和氯离子质量浓度的分析表明:延长组地层封闭性好于延安组地层;油El水高矿化度、低还原系数区地层封闭性好,为石油勘探的有利目标.
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Key words
oilfield water,Tianhuan depression,enrichment laws of oil reservoirs,hydrologic geology
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