沁水盆地寺河煤矿煤岩吸附甲烷规律实验研究

张振兵; 邱小龙; 袁月琴; 李向峰; 郝琦; 王军

doi:10.11781/sysydz201405656

沁水盆地寺河煤矿煤岩吸附甲烷规律实验研究

doi: 10.11781/sysydz201405656

贵州省地质矿产开发局一一三地质大队, 贵州六盘水 553001

详细信息

作者简介:
张振兵(1966-)，男，工程师，从事煤田地质勘探工作。E-mail：1240180798@qq.com。

中图分类号: TE132.2
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出版历程
- 收稿日期: 2014-01-05
- 修回日期: 2014-08-05
- 刊出日期: 2014-09-28

Experimental study on methane adsorption of coal bed from Sihe Mine in Qinshui Basin

Brigade 113, Guizhou Bureau of Geology and Mineral Exploration & Development, Liupanshui, Guizhou 553001, China

摘要

摘要: 煤储层具有大量的裂隙和孔隙，使煤岩具有很大的比表面积，为煤中甲烷的吸附提供了必要条件。采用自主研发的煤层气吸附装置，通过对沁水盆地寺河煤矿不同粒径煤粉的吸附性模拟实验，总结了不同粒径煤粉在吸附甲烷12 h内的吸附规律，计算出其中吸附气量，研究了吸附速率、吸附量的变化规律。研究认为：吸附的前10 min，吸附量占总吸附量的40%~60%，煤粉粒径越小，所占的比例越大，吸附越快；不同粒径煤粉的吸附量为15.1~29.1 mL/g，煤粉粒径越小，单位质量煤粉吸附量越大。通过对煤岩吸附规律的深入研究，为沁水盆地煤层气的勘探开发提供技术支持。
- 吸附速率 /
- 吸附量 /
- 比表面积 /
- 煤岩 /
- 甲烷 /
- 沁水盆地
Abstract: Due to abundant racks and pores, coal bed has a huge specific surface area which provides the necessary conditions for the adsorption of methane in coal. A case study was made in the Sihe Mine in the Qinshui Basin. Using the self-developed CBM adsorption experiment instrument, the absorption rules (including rate and amount) within 12 h of methane in coal of different sizes were studied. The absorption amount during the prior 10 minutes accounts for 40%-60% of total absorption amount. Moreover, the smaller the coal particle is, the bigger proportion the small particle accounts for, the faster the methane is absorbed. The adsorption capacities for different coal sizes range from 15.1 to 33.6 mL/g. The smaller the coal particle is, the more methane is absorbed in coal per unit. The study of the adsorption law of coal bed provides technological supports for the exploration and development of the Qinshui Basin.
- adsorption rate /
- adsorption amount /
- specific surface area /
- coal /
- methane /
- Qinshui Basin

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参考文献(16)

[1]	Stevenson M D,Pinezewski W V,Somers M L,et al.Adsorption/desorption of multicomponent gas mixture at in-seam conditions[R].SPE 23026,199l.
[2]	Weishauptova J,Medek J.Bound forms of methane in the porous system of coal[J].Fuel,1998,77(1):71-76.
[3]	Seto C,Jessen K.Compositional streamline simulation of field-scale condensate vaporization by gas injection[R].SPE 79690,2003.
[4]	张群,冯三利,杨锡禄,等.试论我国煤层气的基本储层特点及开发策略[J].煤炭学报,2001,26(3):230-234. Zhang Qun,Feng Sanli,Yang Xilu,et al.Basic reservoir characteristics and development strategy of coalbed methane resource in China [J].Journal of China Coal Society,2001,26(3):230-234.
[5]	贾建称.沁水盆地晚古生代含煤沉积体系及其控气作用[J].地球科学与环境学报,2007,29(4):374-382. Jia Jiancheng.Coal Depositional System and Its Controlling Role of Coalbed Methanein Late Paleozonic of Qinshui Basin [J].Journal of Earth Sciences and Environment, 2007,29(4):374-382.
[6]	王小洪,刘大锰,姚艳斌,等.鄂尔多斯韩城地区石炭—二叠系含煤沉积体系及其控气作用[J].石油实验地质,2013,35(6):646-650. Wang Xiaohong,Liu Dameng,Yao Yanbin,et al.Carboniferous-Permian coal-bearing depositional system and its controlling role of coalbed methane in Hancheng area in Ordos Basin.Petroleum Geology & Experiment,2013,35(6):646-650.
[7]	李景明,巢海燕,李小军,等.中国煤层气资源特点及开发对策[J].天然气工业,2009,29(4):9-13. Li Jingming,Chao Haiyan,Li Xiaojun,et al.Characteristics of coalbed methane resource and the development strategies[J].Natural Gas Industry,2009,29(4):9-13.
[8]	黄孝波,李贤庆,王萌,等.煤层气储层研究进展[J].断块油气田,2012,19(3):307-311. Huang Xiaobo,Li Xianqing,Wang Meng,et al.Research progress in coalbed methane reservoir[J].Fault-Block Oil and Gas Field,2012,19(3):307-311.
[9]	杨宇,孙晗森,彭小东,等.煤层气储层孔隙结构分形特征定量研究[J].特种油气藏,2013,20(1):31-33. Yang Yu,Sun Hansen,Peng Xiaodong,et al.Quantitative study on fractal characteristics of the structure of CBM reservoir[J].Special Oil & Gas Reservoirs,2012,20(1):31-33.
[10]	韩颖,张飞燕,余伟凡.煤屑瓦斯全程扩散规律的实验研究[J].煤炭学报,2011,36(10):1699-1703. Han Ying,Zhang Feiyan,Yu Weifan.Experimental study on gas diffusion law from drill cuttings during the whole desorption process [J].Journal of China Coal Society,2011,36(10):1699-1703.
[11]	王怀勐,朱炎铭,李伍,等.煤层气赋存的两大地质控制因素[J].煤炭学报,2011,36(7):1129-1134. Wang Huaimeng,Zhu Yanming,Li Wu,et al.Two major geological control factors of occurrence characteristics of CBM[J].Journal of China Coal Society,2011,36(7):1129-1134.
[12]	孙仁远,林李,王宁,等.煤岩吸附性能影响因素评价研究[J].中国煤层气,2012,9(2):10-12. Sun Renyuan,Lin Li,Wang Ning,et al.Evaluation of factors influencing adsorption property of coal and rocks [J].China Coalbed Methane,2012,9(2):10-12.
[13]	胡素明,胥珍珍,任维娜,等.对煤储层基质解吸气扩散理论的再探讨[J].断块油气田,2012,19(6):771-774. Hu Suming,Xu Zhenzhen,Ren Weina,et al.Recognition to diffusion theory of desorbed gas in coal matrix[J].Fault-Block Oil and Gas Field,2012,19(6):771-774.
[14]	张杰,林珊珊,曲永林,等.煤层气气驱吸附及解吸规律实验研究[J].特种油气藏,2012,19(6):122-125. Zhang Jie,Lin Shanshan,Qu Yonglin,et al.Experimental study on the regularity of absorption and desorption of coal seam gas[J].Special Oil & Gas Reservoirs,2012,19(6):122-125.
[15]	伊向艺,吴红军,卢渊,等.不同矿化度水对煤层气解吸—扩散影响的实验[J].煤田地质与勘探,2013,41(5):33-35. Yi Xiangyi,Wu Hongjun,Lu Yuan,et al.Experimental study on the effect of salinity on coalbed methane desorption-diffusion[J].Coal Geology & Exploration,2013,41(5):33-35.
[16]	伊向艺,邱小龙,卢渊,等.煤中游离甲烷气含量的模拟试验[J].煤田地质与勘探,2014,42(1):28-30. Yi Xiangyi,Qiu Xiaolong,Lu Yuan,et al.Experiment of free methane content in coal[J].Coal Geology & Exploration,2014,42(1):28-30.