Experimental study on absorbability of methane in source rocks

doi:10.7623/syxb200306009

Editorial office of ACTA PETROLEI SINICA ›› 2003, Vol. 24 ›› Issue (6): 45-50.DOI: 10.7623/syxb200306009

• Petroleum Exploration • Previous Articles Next Articles

Experimental study on absorbability of methane in source rocks

XUE Hai-tao¹, LU Shuang-fang¹, FU Xiao-tai², ZHANG Yang-xue¹, ZHANG Bin³

1. Department of Geosciences, Daqing Petroleum Institute, Daqing 163318, China;
2. Chongqing Medicine Industry Academe, Chongqing 400061, China;
3. Downhole Service Sub-company of Daqing Oilfield, Daqing 163458, China

Received:2002-11-12 Revised:2003-03-24 Online:2003-11-25 Published:2010-05-21

烃源岩吸附甲烷实验研究

薛海涛¹, 卢双舫¹, 付晓泰², 张杨学¹, 张斌³

1. 大庆石油学院地球科学学院, 黑龙江大庆, 163318;
2. 重庆医药工业研究院, 重庆, 400061;
3. 大庆油田有限责任公司井下分公司, 黑龙江大庆, 163458

作者简介:薛海涛,男,1975年6月生,1997年毕业于大庆石油学院,在读博士,主要从事有机地球化学方面研究工作.
基金资助:
国家重点基础研究发展规划项目(G1999043307)部分成果,黑龙江省杰出青年基金资助(200003).

Abstract

Abstract: A set of experimental unit for measuring absorbability of natural gas in source rocks was built according to the principle of material balance. The absorbabilities of natural gas in limestone, mudstone and Kerogen were measured by the unit at different temperatures from 25℃ to 150℃ and different pressures from 1 MPa to 32 MPa. The adsorption isotherms of all samples were obtained. The results show that the absorbance of mudstone is higher than that of limestone, and the absorbance of Kerogen is much higher than that of mudstone and limestone. Moreover, the absorbance decreased with the increase of temperature and increased with the increase of pressure. The Langmuir model was used to describe the adsorption of methane in rock samples. In addition, the model was calibrated and used to construct the adsorption models.

Key words: hydrocarbon source rock, adsorption, methane, mudstone, limestone, Kerogen, experimental study

摘要： 根据物质平衡原理,设计了一套测量岩石吸附天然气量的实验装置。用这套装置对灰岩、泥岩、Ⅰ型干酪根、Ⅱ型干酪根等4种样品在不同温度(25～150℃)、压力(1～32MPa)条件下对甲烷的吸附量进行了测定,得到各种样品的吸附等温线.从实验结果可以看出,泥岩的吸附量大于灰岩,干酪根的吸附量远大于泥岩和灰岩;吸附量随温度的升高而降低,随压力的升高而增加采用Langmuir模型来描述各种样品对甲烷的吸附,对模型进行了标定,得到了吸附模型。

关键词: 烃源岩, 吸附, 甲烷, 灰岩, 泥岩, 干酪根, 实验研究

CLC Number:

TE122.3

XUE Hai-tao, LU Shuang-fang, FU Xiao-tai, ZHANG Yang-xue, ZHANG Bin. Experimental study on absorbability of methane in source rocks[J]. Editorial office of ACTA PETROLEI SINICA, 2003, 24(6): 45-50.

薛海涛, 卢双舫, 付晓泰, 张杨学, 张斌. 烃源岩吸附甲烷实验研究[J]. 石油学报, 2003, 24(6): 45-50.

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Experimental study on absorbability of methane in source rocks

烃源岩吸附甲烷实验研究

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