| An Interpretation of the Origin of Distribution Anomalier of △C |
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| 摘 要： | Zonal distribution of seepage hydrocarbon-induced altereb carbonates over oil/gas reservoirs is a common phenomenon observed in the field.The authors considered that the continuous production of CO2 within the “alteration chimney ”gives rise to a significant difference in physical and chemical properties between its interior and the surrounding country rocks.And it is this difference that has promoted the erosion and precipitation of carbonates,thus leading to the zonal distribution of seepage hydrocarbon-induced altered carbonates over oil/gas reservoirs.This may be a reasonable interpretation of the phenomenon described above.
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| 关 键 词： | 烃 碳氢化合物 渗流 碳酸盐 二氧化碳 油气运移 |
An interpretation of the origin of distribution anomalies of AC |
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| Authors: | Yanhua Shuai Lifa Zhou |
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| Institution: | 1. Department of Geology, Northwest University, 710069, Shaanxi, Xi’an, China
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| Abstract: | Zonal distribution of seepage hydrocarbon-induced altered carbonates over oil/gas reservoirs is a common phenomenon observed in the field. The authors considered that the continuous production of CO2 within the “alteration chimney” gives rise to a significant difference in physical and chemical properties between its interior and the surrounding country rocks. And it is this difference that has promoted the erosion and precipitation of carbonates, thus leading to the zonal distribution of seepage hydrocarbon-induced altered carbonates over oil/gas reservoirs. This may be a reasonable interpretation of the phenomenon described above. |
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