页岩油气勘探中热解分析与总有机碳预测
TE135; 岩石热解可快速提供总有机碳含量(TOC)等表征有机质丰度的指标,是页岩气评价的重要技术手段之一,但页岩岩石热解测定中发现有TOC数据存疑的问题.本次通过不同岩性样品,研究称样量对热解测定TOC的影响,并确定合理的称样量范围.结果表明:对于TOC含量较高的样品(w(TOCQC34)=16.82％),称样量需小于92.1 mg,否则热解测定TOC会低于真实值;对于TOC含量较低的样品(w(TOCQC03)=0.33％;w(TOCQC05)=0.54％),若称样量低于54.2 mg,将无法获得稳定的TOC数据;对于中等有机质丰度的样品(w(TOCQC30)=1.42％;w(TOCIFP...
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| Published in | 中国石油大学学报（自然科学版） Vol. 46; no. 4; pp. 22 - 29 |
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| Main Authors | , , , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
国家地质实验测试中心,北京 100037%中国地质调查局西安地质调查中心,陕西西安 710054
2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1673-5005 |
| DOI | 10.3969/j.issn.1673-5005.2022.04.003 |
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| Abstract | TE135; 岩石热解可快速提供总有机碳含量(TOC)等表征有机质丰度的指标,是页岩气评价的重要技术手段之一,但页岩岩石热解测定中发现有TOC数据存疑的问题.本次通过不同岩性样品,研究称样量对热解测定TOC的影响,并确定合理的称样量范围.结果表明:对于TOC含量较高的样品(w(TOCQC34)=16.82％),称样量需小于92.1 mg,否则热解测定TOC会低于真实值;对于TOC含量较低的样品(w(TOCQC03)=0.33％;w(TOCQC05)=0.54％),若称样量低于54.2 mg,将无法获得稳定的TOC数据;对于中等有机质丰度的样品(w(TOCQC30)=1.42％;w(TOCIFP160000)=3.28％),在14.4～94.7 mg的称样范围内,均能获得满意的测试结果. |
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| AbstractList | TE135; 岩石热解可快速提供总有机碳含量(TOC)等表征有机质丰度的指标,是页岩气评价的重要技术手段之一,但页岩岩石热解测定中发现有TOC数据存疑的问题.本次通过不同岩性样品,研究称样量对热解测定TOC的影响,并确定合理的称样量范围.结果表明:对于TOC含量较高的样品(w(TOCQC34)=16.82％),称样量需小于92.1 mg,否则热解测定TOC会低于真实值;对于TOC含量较低的样品(w(TOCQC03)=0.33％;w(TOCQC05)=0.54％),若称样量低于54.2 mg,将无法获得稳定的TOC数据;对于中等有机质丰度的样品(w(TOCQC30)=1.42％;w(TOCIFP160000)=3.28％),在14.4～94.7 mg的称样范围内,均能获得满意的测试结果. |
| Author | 栗敏 杨佳佳 沈斌 许智超 徐学敏 孙玮琳 胡才志 张小涛 秦婧 郭望 |
| AuthorAffiliation | 国家地质实验测试中心,北京 100037%中国地质调查局西安地质调查中心,陕西西安 710054 |
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| Author_FL | XU Xuemin QIN Jing HU Caizhi YANG Jiajia XU Zhichao ZHANG Xiaotao SUN Weilin LI Min GUO Wang SHEN Bin |
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| Keywords | 总有机碳 页岩 称样量 岩石热解 |
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| Title | 页岩油气勘探中热解分析与总有机碳预测 |
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