不同烃源岩实验评价方法的对比

刘全有; 刘文汇; 王晓锋; 王万春

doi:10.11781/sysydz200701088

不同烃源岩实验评价方法的对比

doi: 10.11781/sysydz200701088

1.
中国石油天然气股份有限公司勘探开发研究院, 北京 100083
2. 中国石油化工股份有限公司石油勘探开发研究院, 北京 100083
3. 中国科学院兰州油气研究中心, 兰州 730000

详细信息

作者简介:
刘全有(1975- ),男(汉族),山西朔州人,博士后,主要从事油气地质与地球化学领域的研究工作.

中图分类号: TE122.1
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- 被引次数: 0
出版历程
- 收稿日期: 2006-03-19
- 修回日期: 2006-12-06
- 刊出日期: 2007-01-28

COMPARISONS OF GEOCHEMICAL METHODS FOR ASSESSMENT OF HYDROCARBON-GENERATING POTENTIAL

1.
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
2. Exploration & Production Research Institute, SINOPEC, Beijing 100083, China
3. Key Laboratory of Gas Geochemistry, Chinese Academy of Sciences, Lanzhou, Gans

摘要

摘要: 在Rock-Eval热解法、H/C比及加水热模拟实验3种烃源岩生烃潜力评价方法对比的基础上,对塔里木盆地满加尔坳陷低成熟侏罗系煤岩进行了生烃评价。对比结果表明,H/C比值与加水热解实验法评价结果较接近,生烃量分别为9.62和9.72 mg/g,而Rock-Eval热解法得到的生烃潜力为32.75 mg/g,远高于其他两种评价结果。Rock-Eval热解法得到的是烃源岩的最大排烃量,而H/C比与加水热模拟实验法获得的是烃源岩的有效排烃量。因此,在对烃源岩的生烃评价中要根据实际需求选择不同的评价方法。
- Rock-Eval热解法 /
- H/C比值 /
- 加水热模拟实验 /
- 生烃评价 /
- 塔里木盆地
Abstract: In this context,on the basis of comparison of three geochemical methods for assessment of source rocks,Rock-Eval pyrolysis,H/C ratio and hydrous pyrolysis,the hydrocarbon-generating potential of the low-mature coal in the Manjiaer sag,Tarim Basin,was determined.The compared results show that the potential of hydrocarbon-generating obtained by H/C ratio is similar with that by hydrous pyrolysis.The yields of hydrocarbon-generation based on the methods of H/C ratio and hydrous pyrolysis are 9.62 and 9.72 mg/g,respectively.In contrast,the yield of hydrocarbon formation is 32.75 mg/g by using method of Rock-Eval pyrolysis,higher than those obtained by the other two methods.It is provided the maximum yield of hydrocarbon generation for Rock-Eval pyrolysis,whereas the effective expelling of hydrocarbons will be obtained by H/C ratios and hydrous pyrolysis.Therefore,it would be necessary for hydrocarbon source assessment to use the geochemical method based on the special regions and aims.
- Rock-Eval pyrolysis /
- H/C ratio /
- hydrous pyrolysis /
- hydrocarbon-generating assessment /
- Tarim Basin

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