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| 近地表土壤中可溶态阴离子的石油地质意义 | |
| 引用本文： | 李广之,陈银节,尹红军,宣海波.近地表土壤中可溶态阴离子的石油地质意义[J].物探与化探,2011,35(2):198-202. |
| 作者姓名： | 李广之 陈银节 尹红军 宣海波 |
| 作者单位： | 1. 中国石化集团资产经营管理有限公司,合肥培训测试中心,安徽,合肥,230022 2. 中国石化勘探开发研究院无锡实验地质研究所,江苏,无锡,214151 |
| 基金项目： | 国家科技重大专项"大型油气田及煤层气开发"项目专题(2008ZX05020-06) |
| 摘 要： | 沉积有机质在生成油气及运移的过程中,部分可溶微量元素会分离出来,溶解在伴生的水中.油田水及原油中的可溶微量元素部分溶解于水,并随水一起运移至近地表.通过一定技术手段分析近地表土壤中的可溶态阴离子的含量变化特征,就可以追踪下伏对应地层的含油气信息.通过对新场气田、昌德气田、平方王油田上方近地表土壤中的可溶态阴离子检测的实... |
| 关 键 词： | 近地表土壤 有机质 微量元素 可溶态阴离子 石油地质意义 |
| 收稿时间： | 2010-03-16 |
THE PETROLEUM GEOLOGICAL SIGNIFICANCE OF SOLUBLE CATIONS IN NEAR-SURFACE SOIL |
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| LI Guang-zhi,CHEN Yin-jie,YIN Hong-jun,XUAN Hai-bo.THE PETROLEUM GEOLOGICAL SIGNIFICANCE OF SOLUBLE CATIONS IN NEAR-SURFACE SOIL[J].Geophysical and Geochemical Exploration,2011,35(2):198-202. | |
| Authors: | LI Guang-zhi CHEN Yin-jie YIN Hong-jun XUAN Hai-bo |
| Institution: | 1. Hefei Training and Testing Center of Assets Management Co., Ltd., China Petrochemical Corporation,Hefei 230022,China; 2. Wuxi Research Ins- titute of Experimental Petroleum Geology,SINOPEC, Wuxi 214151, China |
| Abstract: | During the formation of oil-gas and migration process, some soluble trace elements in the sedimentary organic matter will be separated and dissolved in the associated water. Some soluble trace elements in oilfield water and crude oil will dissolve in water and migrate with water to the near-surface place. Through analyzing variation of soluble anions in near-surface soil, we can track the oil-gas information underlying strata. A study of variation of near-surface soluble anions in the Xinchang gas field, Changde gas field and Pingfangwang oil field show that soluble anions in oilfield water mainly migrate in the form of water carriers, the upward migration passage of oilfield water determines the anomaly shape and pattern at the top of oil and gas reservoirs, and soluble anions have a certain indicating significance for oil and gas reservoirs in the underlying strata. |
| Keywords: | near-surface soil organic matter trace elements soluble anions petroleum significance |
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