Main Controlling Factors Analysis of Enrichment Condition of Coalbed Methane

GAO Bo; MA Yu-zhen; TAO Ming-xin; MA Gen-xi

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Article Navigation > Acta Sedimentologica Sinica > 2003 > 21(2): 345-349

GAO Bo, MA Yu-zhen, TAO Ming-xin, MA Gen-xi. Main Controlling Factors Analysis of Enrichment Condition of Coalbed Methane[J]. Acta Sedimentologica Sinica, 2003, 21(2): 345-349.

Citation:

GAO Bo, MA Yu-zhen, TAO Ming-xin, MA Gen-xi. Main Controlling Factors Analysis of Enrichment Condition of Coalbed Methane[J]. Acta Sedimentologica Sinica, 2003, 21(2): 345-349.

Main Controlling Factors Analysis of Enrichment Condition of Coalbed Methane

1.
State Key laboratory of Gas Geochemistry , Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000;
2.
College of Resources and Environment,Key Laboratory of Western China's Environment System of Education Ministry,Lanzhou University,Lanzhou 730000;
3.
No.2 Institute of Geology and Mineral Exploration,Gansu Bureau of Geology and Minerd Exploration and Development,Lanzhou 730000

Received Date: 2002-03-25
Rev Recd Date: 2002-08-22
Publish Date: 2003-06-10

Abstract

In this paper, the authors have analyzed the main controlling factors that affect enrichment and high production of coalbed methane (CBM), such as generating and storing capacity of coal rock, permeability of coal reservoir and preservation conditions of CBM. Research shows that maceral and the degree of metamorphism of coal rock are key factors that control the generating and storing capacity of coal rock. Temperature, pressure and the content of mineral substance and water are also relevant to the storing capacity of coal rock. However, the permeability of coalbed is mainly controlled by fracture system of coal rock, which is relevant to the maturity of coal and the intensity of tectogenesis. The preservation of CBM pool is mainly controlled by the sealing capacity of roof and floor plate, tectonic activity and hydrodynamic environment. Because of its important role, we'd better strengthen the research on CBM pool forming conditions.
- coalbed methane,
- high production enrichmen gas content permeability,
- maceral,

References

[1]	潘钟祥,高纪清,陈荣书.石油地质学[M].北京:地质出版社,1987.44～ 165[Pan Zhongxiang, Gao Jiqing, Chen Rongshu. Petroleum Geology[M]. Beijing: Geological Publishing House, 1987.44～ 165]
[2]	徐永昌等著.天然气成因理论及应用[M].北京:科学出版社,1994.29～48,189～206[Xu Yongchang,et al. Origin of Natural Gas: theory and application[M]. Beijing: Science Press, 1994.29～48,189～206]
[3]	张五侪,李小彦.我国主要煤系生气源岩的生产能力分析[J].煤田地质与勘探,1988,16(3):31～37[Zhang Wuji,Li Xiaoyan.Analysis of the hydrocarbon-producing potential of main coal measures source rocks in China[J]. Coal Geology & Exploration, 1988,16(3): 31 ～37]
[4]	傅家谟,刘德汉,盛国英.煤成烃地球化学[M].北京:科学出版社,1992.37～84[Fu Jiamo,Liu Dehan, Sheng Guoying. Geochemistry of Coal-generated Hydrocarbons[M]. Beijing: Science Press, 1992.37～84]
[5]	张新民,张遂安,钟玲文等.中国的煤层甲烷[M].西安:陕西科学技术出版社,1991.29～81[Zhang Xinming,Zhang Suian,Zhong Lingwen, et al. Coalbed Methane in China[M]. Xian: Science and Technology Press of Shaanxi, 1991,29～81]
[6]	赵庆波,刘兵等编.世界煤层气工业发展现状[M].北京:地质出版社, 1998.8 ～ 37 [Zhao Qingbo, Liu Bing, et al. Development of Coalbed Methane Industry in the World[M]. Beijing: Geological Publishing House, 1998.8～37]
[7]	关德师.煤层甲烷的特征与富集[J].新疆石油地质,1996,17(1):80～84[ Guan Deshi. Characteristics and enrichment of coalbed methane [J]. Xinjiang Petroleum Geology, 1996,17(1):80～84]
[8]	Kuuskraa V A, Brandenburg C F. Coalbed methane sparks a new energy[J]. Industry: Oil and Gas Journal,1989,87(41) :49～56
[9]	全裕科.影响煤层含气量若干因素初探[J].天然气工业,1995,15(5): 1～ 5 [Quan Yuke. Primary discussion on the factors affecting coalbed gas content[J]. Natural Gas Industry, 1995,15(5): 1～5]
[10]	高洪烈.论煤层气与地下水[J].中国煤田地质,1998,10(4):45～48 [ Gao Honglie. Review on coalbed gas and undergrotmd water [J].Coal Geology of China, 1998,10(4) :45～48]
[11]	周志成,王念喜,段春生.煤层水在煤层气勘探开发中的作用[J].天然气工业,1999,19(4):23～25[Zhou Zhicheng,Wang Nianxi,Duan Chunsheng. Action of coalbed water in the exploration and development of coalbed gas [J]. Natural Gas Industry, 1999,19(4):23～25]
[12]	Law B E. The Relationship between coal rank and cleat spacing: Implications for the prediction of permeability in coal [R]. Proceedings of the 1993 Intemational Coalbed Methane Symposium, 1993. 435～441
[13]	Close J C. NaturalFractures in Coal. In: LawBE, RiceDD, eds.Hydrocarbons frorm Coal: AAPG studies in Geology Series# 38.1993.119～130
[14]	张建博,王红岩.山西沁水盆地煤层气有利区预测[M].江苏徐州:中国矿业大学出版社,1999.26～51,81～93[Zhang Jianbo,Wang Hongyan. Favorable Area Prediction of Coalbed Methane in the Qinshui basin, Shanxi Province[M]. Xuzbou Jiangsu: Press of China University of Mining and Technology, 1999.26～51,81～93]
[15]	刘焕杰,秦勇,桑树勋.山西南部煤层气地质[M].江苏徐州:中国矿业大学出版社,1998.74～106[Liu Huanjie,Qin Yong,Sang Shuxun. Geology of Coalbed Methane in Southern Shanxi, China [M]. XuzhouJiangsu: Press of China University of Mining and Technology,1998.74～106]
[16]	赵庆波等著,煤层气地质与勘探技术[M].北京:石油工业出版社,1999.13～53[Zhao Qingbo, et al. Geology and Exploration Technology of Coalbed Methane[M]. Beijing: Petroleum Industry Publishing House, 1999.13～53]
[17]	张建博,陶明信煤层甲烷碳同位素在煤层气勘探中的地质意义-以沁水盆地为例[J].沉积学报,2000,18(4):611～614[Zhang Jianbo,Tao Mingxin, Geolngical significances of coalbed methane carbon isotope in coalbed methane exploration[J]. Acta Sedimentologica Sinica, 2000,18(4) :611～614]
[18]	高波,陶明信,张建博等.煤层气甲烷碳同位素的分布特征与控制因素[J].煤田地质与勘探,2002,30(3):14～17[Gao Bo,Tao Mingxin, Zhang Jianbo, et al. Distribution characteristics and controlling factors of δ13C1 value of coalbed methane[J]. Coal Geology & Exploration, 2002,30(3): 14～17

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Main Controlling Factors Analysis of Enrichment Condition of Coalbed Methane

1. State Key laboratory of Gas Geochemistry , Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000;

2. College of Resources and Environment,Key Laboratory of Western China's Environment System of Education Ministry,Lanzhou University,Lanzhou 730000;

3. No.2 Institute of Geology and Mineral Exploration,Gansu Bureau of Geology and Minerd Exploration and Development,Lanzhou 730000

Received Date: 2002-03-25

Rev Recd Date: 2002-08-22

Publish Date: 2003-06-10

Key words:

coalbed methane /
high production enrichmen gas content permeability /
maceral /
/
/

Abstract: In this paper, the authors have analyzed the main controlling factors that affect enrichment and high production of coalbed methane (CBM), such as generating and storing capacity of coal rock, permeability of coal reservoir and preservation conditions of CBM. Research shows that maceral and the degree of metamorphism of coal rock are key factors that control the generating and storing capacity of coal rock. Temperature, pressure and the content of mineral substance and water are also relevant to the storing capacity of coal rock. However, the permeability of coalbed is mainly controlled by fracture system of coal rock, which is relevant to the maturity of coal and the intensity of tectogenesis. The preservation of CBM pool is mainly controlled by the sealing capacity of roof and floor plate, tectonic activity and hydrodynamic environment. Because of its important role, we'd better strengthen the research on CBM pool forming conditions.

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Reference (18)

[1]	潘钟祥,高纪清,陈荣书.石油地质学[M].北京:地质出版社,1987.44～ 165[Pan Zhongxiang, Gao Jiqing, Chen Rongshu. Petroleum Geology[M]. Beijing: Geological Publishing House, 1987.44～ 165]
[2]	徐永昌等著.天然气成因理论及应用[M].北京:科学出版社,1994.29～48,189～206[Xu Yongchang,et al. Origin of Natural Gas: theory and application[M]. Beijing: Science Press, 1994.29～48,189～206]
[3]	张五侪,李小彦.我国主要煤系生气源岩的生产能力分析[J].煤田地质与勘探,1988,16(3):31～37[Zhang Wuji,Li Xiaoyan.Analysis of the hydrocarbon-producing potential of main coal measures source rocks in China[J]. Coal Geology & Exploration, 1988,16(3): 31 ～37]
[4]	傅家谟,刘德汉,盛国英.煤成烃地球化学[M].北京:科学出版社,1992.37～84[Fu Jiamo,Liu Dehan, Sheng Guoying. Geochemistry of Coal-generated Hydrocarbons[M]. Beijing: Science Press, 1992.37～84]
[5]	张新民,张遂安,钟玲文等.中国的煤层甲烷[M].西安:陕西科学技术出版社,1991.29～81[Zhang Xinming,Zhang Suian,Zhong Lingwen, et al. Coalbed Methane in China[M]. Xian: Science and Technology Press of Shaanxi, 1991,29～81]
[6]	赵庆波,刘兵等编.世界煤层气工业发展现状[M].北京:地质出版社, 1998.8 ～ 37 [Zhao Qingbo, Liu Bing, et al. Development of Coalbed Methane Industry in the World[M]. Beijing: Geological Publishing House, 1998.8～37]
[7]	关德师.煤层甲烷的特征与富集[J].新疆石油地质,1996,17(1):80～84[ Guan Deshi. Characteristics and enrichment of coalbed methane [J]. Xinjiang Petroleum Geology, 1996,17(1):80～84]
[8]	Kuuskraa V A, Brandenburg C F. Coalbed methane sparks a new energy[J]. Industry: Oil and Gas Journal,1989,87(41) :49～56
[9]	全裕科.影响煤层含气量若干因素初探[J].天然气工业,1995,15(5): 1～ 5 [Quan Yuke. Primary discussion on the factors affecting coalbed gas content[J]. Natural Gas Industry, 1995,15(5): 1～5]
[10]	高洪烈.论煤层气与地下水[J].中国煤田地质,1998,10(4):45～48 [ Gao Honglie. Review on coalbed gas and undergrotmd water [J].Coal Geology of China, 1998,10(4) :45～48]
[11]	周志成,王念喜,段春生.煤层水在煤层气勘探开发中的作用[J].天然气工业,1999,19(4):23～25[Zhou Zhicheng,Wang Nianxi,Duan Chunsheng. Action of coalbed water in the exploration and development of coalbed gas [J]. Natural Gas Industry, 1999,19(4):23～25]
[12]	Law B E. The Relationship between coal rank and cleat spacing: Implications for the prediction of permeability in coal [R]. Proceedings of the 1993 Intemational Coalbed Methane Symposium, 1993. 435～441
[13]	Close J C. NaturalFractures in Coal. In: LawBE, RiceDD, eds.Hydrocarbons frorm Coal: AAPG studies in Geology Series# 38.1993.119～130
[14]	张建博,王红岩.山西沁水盆地煤层气有利区预测[M].江苏徐州:中国矿业大学出版社,1999.26～51,81～93[Zhang Jianbo,Wang Hongyan. Favorable Area Prediction of Coalbed Methane in the Qinshui basin, Shanxi Province[M]. Xuzbou Jiangsu: Press of China University of Mining and Technology, 1999.26～51,81～93]
[15]	刘焕杰,秦勇,桑树勋.山西南部煤层气地质[M].江苏徐州:中国矿业大学出版社,1998.74～106[Liu Huanjie,Qin Yong,Sang Shuxun. Geology of Coalbed Methane in Southern Shanxi, China [M]. XuzhouJiangsu: Press of China University of Mining and Technology,1998.74～106]
[16]	赵庆波等著,煤层气地质与勘探技术[M].北京:石油工业出版社,1999.13～53[Zhao Qingbo, et al. Geology and Exploration Technology of Coalbed Methane[M]. Beijing: Petroleum Industry Publishing House, 1999.13～53]
[17]	张建博,陶明信煤层甲烷碳同位素在煤层气勘探中的地质意义-以沁水盆地为例[J].沉积学报,2000,18(4):611～614[Zhang Jianbo,Tao Mingxin, Geolngical significances of coalbed methane carbon isotope in coalbed methane exploration[J]. Acta Sedimentologica Sinica, 2000,18(4) :611～614]
[18]	高波,陶明信,张建博等.煤层气甲烷碳同位素的分布特征与控制因素[J].煤田地质与勘探,2002,30(3):14～17[Gao Bo,Tao Mingxin, Zhang Jianbo, et al. Distribution characteristics and controlling factors of δ13C1 value of coalbed methane[J]. Coal Geology & Exploration, 2002,30(3): 14～17

Main Controlling Factors Analysis of Enrichment Condition of Coalbed Methane

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