肖印锋;

• 1:大庆油田有限责任公司第九采油厂

摘要(Abstract)：

考虑川东北地层水的水化学特征(包括地层水矿化度、地层水的变质程度、脱硫系数等),根据封盖层的发育分布及其内部结构,分析盖层对地层水的分隔性能;结合区域构造演化史,分析地质历史上地表水对地层水的改造程度,研究地层水演化特征.结果表明:通南巴地区地层水主要经历早期深埋形成封存变质水期—局部地层水渗滤改造期—深层水封闭,浅层水进入开启期—晚期重建封闭期等变化;中下三叠统存在一套良好的膏岩层且埋藏较深,没有经历地表水改造,使得保存条件明显优于上三叠统须家河组及中下侏罗统地层,具有较好的保存条件;砂泥互层具有较高渗透能力的须家河组受到地表水的淋滤作用,油气保存条件较差,油气勘探潜力有限.

关键词(KeyWords)：通南巴构造带;地层水;保存条件;演化特征;封盖层

Abstract:

Keywords:

基金项目(Foundation):黑龙江省教育厅科学技术研究项目(12521053,12521061)

作者(Author):肖印锋;

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