非常规天然气:水合物气

海洋天然气水合物的形成机理探讨

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  • 1.中国科学院广州天然气水合物研究中心,广东 广州 510640;2.中国科学院研究生院,北京 100039
樊栓狮(1965-),男,陕西蒲城人,研究员,博士生导师,主要从事气体水合物物化性质研究.

收稿日期: 2004-07-05

  修回日期: 2004-08-14

  网络出版日期: 2004-10-20

基金资助

国家自然科学基金项目(编号:50176051),中科院知识创新重要方向项目(编号:KGCX2-SW-309,KGCX-SW-304)联合资助。

THE RESEARCH OF THE ORIGIN MECHANISM OF MARINE GAS HYDRATE

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  • 1.Guangzhou Natural Gas  Hydrate Research Center of CAS, Guangzhou 510640, China;2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

Received date: 2004-07-05

  Revised date: 2004-08-14

  Online published: 2004-10-20

摘要

综述了国内外对天然气水合物成因机理的研究现状和天然气水合物的气体成因类型。重点探讨了海底之下天然气水合物的形成机理,提出了强渗漏和弱渗漏系统的概念和分析了基于这两种系统的水合物形成模式和特点。认为:强渗漏系统是指海洋底部由地壳构造活动产生的挤压或拉伸等变形作用,或者由于海洋沉积物的侧向挤压变形作用而出现断层,许多圈闭的烃类气体由此向上渗流并大量漏出,形成较稳定的水合物形成所需的气源,该系统形成的天然气水合物分布集中,储量密度大,具有实际开采价值;弱渗漏系统是指以甲烷为主的烃类气体由微生物和热作用生成后散布于原地的海底之下较为松散的多孔沉积物中,这些沉积物因温压变化可形成天然气水合物,但这类水合物分布分散,不能成藏,不利于开采。另外还探讨了我国南海天然气水合物成藏的可能性。

本文引用格式

樊栓狮,刘锋,陈多福 . 海洋天然气水合物的形成机理探讨[J]. 天然气地球科学, 2004 , 15(5) : 524 -530 . DOI: 10.11764/j.issn.1672-1926.2004.05.524

Abstract

Marine gas hydrates and their resource distributions were introduced and analyzed. The origin mechanism of Gas Hydrates were also reviewed. Furthermore, Two formation modes named "Strong Seepage" and "Feeble Seepage" systems of Marine Gas Hydrates were proposed. The characteristic of the two modes were pointed out and discussed. Finally, Marine gas hydrates in South China Sea based on "Strong Seepage" mode were investigated.

参考文献

[1]Konstantin A, Uchidin K A, Ripmeester J A. A complex clathrate hydrate structure showing bimodal guest hydration[J].Nature,1999,397:420-423.
[2]Ripmeester J A, Tse J S,Rateliffe C I,et al.A new clathrate hydrate structure[J]. Nature,1987,325:135-136.
[3] Kvenvolden K A. A review of geochemistry of methane in nature gas hydrate[J].Organic Geochemistry,1995,23(11/12):997-1008.
[4] Lashof D A, Ahuja D R. Relative contributions of greenhouse gas emissions to global warming[J].Nature, 1990,344:529-531.
[5] Bernard B, Brooks J M, Sackett W M. A geochemical model for characterization of hydrocarbon gas source in marine sediments[A].Proceding 9th Annual off ShoreTechnology Conference[C].Houston:Offshore Technology Conference,1977.435-438.
[6] Waseda A, Uchida T. Origin of methane in natural gas hydrates from the Mackenzie Delta and Naikai Trough[A].Proceedings of the Fourth InternationalConference on Gas Hydrates[C].Hiyoshi, 2002.169-174.
[7] Boetius A, Ravenschlag K, Schubert C J,et al. Microscopic identification of a microbial consortium apparently mediating anaerobic methane oxidation abovemarine gas hydrate[J].Nature,2000,407:623-626.
[8] Гинсбург Г Д,Соловъев В А,史斗译.天然气水合物形成的地质模式[J]天然气地球科学,1998,9(3~4):1-8.
[9]Ginsburg G D, Soloviev V A.Methane migration within the submarine gas hydrate stability zone under deep-water conditions[J].Marine geology,1997,137:49-57.
[10]徐学祖.固体天然气水合物的成功合成[J].地球科学进展,1990,6:87.
[11]史斗,郑军卫.世界天然气水合物研究开发现状和前景[J].地球科学进展,1999,14(4):24-30.
[12]杨廷槐,刘聚海.海底气体水合物资源远景及其勘查开发[J]国外地质科技,1998,(2):17-21.
[13]姚伯初.南海北部陆缘天然气水合物初探[J].海洋地质与第四纪地质,1998,18 (4):11-18.
[14]张光学,黄永样,祝有海,等.南海天然气水合物的成矿远景[J].海洋地质与第四纪地质,2002,22(1):75-81.[15]祝有海,吴必豪,卢振权.中国近海天然气水合物找矿前景[J].矿床地质,2001,20(2):17-41.
[17]卢振权,吴必豪,祝有海.南海潜在天然气水合物藏的成因及形成模式初探[J]矿床地质,2002,21(3):232-239.
[18]龚建明,戴春山,蔡峰,等.天然气水合物成因类型初探[J].海洋地质动态,2001,17(11):1-5.
[19]杨竞红,蒋少涌,凌洪飞.天然气水合物的成因及其碳同位素判别标志[J].海洋地质动态,2001,17(8):1-4.
[20]狄永军,郭正府,李凯明,等.天然气水合物成因探讨[J].地球科学进展,2003,18(1):138-143.
[21]Paull C K, Matsumoto R. Leg 164 overview[A].Proc ODP Sci Results,164
:College Station[C].T X(Ocean Drilling Program),2000.3-12.
[22]Sassen R, Sweet S T, Milkov A V,et al.Geology and geochemistry of gas hydrates,central Gulf of Mexicocontinental slope[J]. Gulf Coast Associ Geol  Societies Trans,1999,49:462-468.
[23] Brooks J M, Cox B H, Bryant W R, et al.Association of gas hydrates and oil seepage in the Gulf of Mexico[J].Organica Geochemistry,1986,10:221-234.
[24] Ginsburg G D,Soloviev V A. Submarine Gas Hydrate[M].St Petersburg: Vniiokeangeologia Norma,1998.1-216.
[25] Collett T S.Natural-gas hydrates of the Prudhoe Bay and Kuparuk river area,North Slope,Alaska[J].AAPG Bull,1993,77(5):793-812.
[26] Horita J,Berndt M E.A biogenic methane formation and isotopic fractionation under hydrothermal conditions[J].Science,1999,285:1055-1057.
[27] 夏新宇,戴金星,宋岩.海底天然气水合物气源及资源评价问题[J].天然气地球科学,2001,12(1-2):11-15.
[28]张正斌,陈正东,刘莲生,等.海洋化学原理和应用——中国近海的海洋化学[M].北京:海洋出版社,1999.1-173.
[29] Egeberg P K, Dickens G R.Thermodynamic and pore water halgen constraints on gas hydrate distribution at ODP Site 997(Blake Ridge)[J].Chem Geol, 1999,153:53-79.
[30] Kvenvolden K A, Kastner M. Gas hydrates of the peruvian outer continentalmargin, Proc[C]. ODP Sci Results, 1999, 112: 413-440.

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