| 甲烷稳定碳同位素在油气化探中的应用 |
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| 引用本文： | 张金来.甲烷稳定碳同位素在油气化探中的应用[J].物探与化探,1988,12(2):123-128. |
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| 作者姓名： | 张金来 |
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| 作者单位： | 地矿部石油地质综合大队101队 |
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| 摘 要： | 甲烷稳定碳同位素具有示踪作用,它有助于鉴别油气化探异常的成因,提高化探成果的可信度。本文研究了土壤吸附烃气、水中溶解烃气和岩心岩屑吸附烃气的甲烷稳定碳同位素。结果表明,土壤吸附烃气应用δ13C1目前尚有一定的局限性,需进一步加强研究;水中溶解烃气应用δ13C1效果比较显著;岩心岩屑吸附烃气应用δ13C1不仅有助于油气源岩对比,而且有助于油气化探的解释。
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THE APPLICATION OF METHANE STABLE CARBONISOTOPES TO GEOCHEMICAL OIL-GAS PROSPECTING |
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| Institution: | 101 Team of Research Party of Petroleum Geology, Ministry ofGeology and Mineral Resources |
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| Abstract: | The methahe stable carbon isotopes can perform the tracing function andthus contribute to determining the genesis of the geochemical oil-gas anomalyand raising the confidence degree of geochemical data. The present paperinvestigates the methane stable carbon isotopes in hydrocarbon absorbed bysoil, dissolved in water and absorbed by rock core and debris respectively. Theresults indicate that the δ13C1, has some limitations and requires further studywhile applied to soil-absorbed hydrocarbon, but shows relatively apparenteffects while applied to hydrocarbon dissolved in water, and helps not only tothe comparison of oil-gas source rocks, but also to the interpretation of geo-chemical oil-gas prospecting while applied to hydrocarbon absorbed by rockcore and debris. |
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