| 塔里木油田水碳酸盐平衡系数与有机酸的意义 |
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| 引用本文： | 李伟,刘宝珺,闵磊.塔里木油田水碳酸盐平衡系数与有机酸的意义[J].石油学报,2003,24(5):32-35. |
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| 作者姓名： | 李伟 刘宝珺 闵磊 |
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| 作者单位： | 1. 成都理工大学,四川成都,610059;中国石油勘探开发研究院地质所,北京,100083
2. 中国石油塔里木油田分公司,新疆库尔勒,841000 |
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| 基金项目： | 国家“八五”科技攻关项目 (85 1 0 1 0 1 0 7) |
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| 摘 要： | 根据统计学规律,对塔里木盆地油田水进行了研究,阐明了该盆地油田水的碳酸盐平衡系数(简称为RC)与有机酸的基本特征。从油田水的无机组分与有机组分的统计分析中发现了油田水的碳酸盐平衡系数与有机酸存在明显的负相关性,进一步论证了碳酸盐平衡系数和有机酸与油气聚集及油气性质的关系。碳酸盐平衡系数越低及低碳有机酸的含量越高,它们与油藏,尤其是与 轻质油或气藏的关系越密切。从两者的关系中初步了解到有机酸的溶蚀作用对油气藏中储层次生孔隙的形成应有较重要的影响。
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| 关 键 词： | 塔里木盆地 油田水 碳酸盐平衡系数 有机酸 油气聚集 |
| 文章编号： | 0253-2697(2003)05-0032-04 |
| 收稿时间： | 2002-7-29 |
| 修稿时间： | 2002年7月29日 |
Petroleum geological significance of carbonate equilibrium ratios and organic acid in oil-field water in Tarim Basin |
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| LI Wei,?,LIU Bao jun,MIN Lei.Petroleum geological significance of carbonate equilibrium ratios and organic acid in oil-field water in Tarim Basin[J].Acta Petrolei Sinica,2003,24(5):32-35. |
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| Authors: | LI Wei ? LIU Bao jun MIN Lei |
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| Affiliation: | LI Wei 1?2 LIU Bao jun 1 MIN Lei 3 |
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| Abstract: | According to statistical distribution theory,the characteristics of carbonate equilibrium ratios and organic acid content in oil_field water were described.The negative relationship between carbonate equilibrium ratios and organic acid content in oilfield water was discovered.The relationships between carbonate equilibrium ratios and hydrocarbon accumulation or properties,as well as between organic acid and hydrocarbon accumulation or properties were discussed by investigating the oil_field water in Tarim Basin.It shows that the smaller carbonate equilibrium ratio and the higher the organic acid content is,the more closely the relation between oil_field water and light oil or gas reservoir will be.The organic acid dissolution plays an important role in generation of secondary porosity in reservoir. |
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| Keywords: | Tarim Basin oil_field water carbonate equilibrium ratio organic acid hydrocarbon accumulation |
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