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Hydrocarbon charge of a bacteral [41]王万春,刘文汇徐永昌,等辽河盆地天然气地球化学特征 gas field by prolonged m ethan ogenesis an examp le from the [A↓中国科学院兰州地质研究所生物、气体地球化学开放研 East Java Sea, Indonesia [J) Organ ic Geochem istry, 1998. 究实验室研究年报(1987)IC}兰州甘肃科学技术出版社, 42]徐永昌,沈平,刘文汇等一种新的天然气成因类型一生物s张祥纪宗兰杨银山,等关于生物气源岩评价标准的讨论 198830-46 以柴达木盆地第四系生物气为例[↓天然气地球科学 热催化过渡带气中国科学,1990,0(9):975-980 2004,15(5):465-470 TY PES AND RESEARCH D IRECTON OF BIGEN IC GAS IN CH NA L IX anqi, ZHANG Shuichang, ZHU Guang-you, L ANG Y ing-bo (1 Petrochina Campany L in ited, B ing 100724, China, 2 PetroCh ina Research Institu te d Petroleun Exp loration &d evelopm ent, B eij ing 100083, China) Abstract B ogen ic gas, orig inated from the organ ic m atters alteration by m icroorganism, is natural gas w ith high contents of CH4, w hich m ay be co am ically large-scale occur Base on the pathw ay and m echa- nism of fo m aton, bigen ic gas was divided in to five different sorts, as fo llow: early bogen ic gas, low m ature gas, late b igen ic gas, secondary b ogen ic gas from degradat on of crude o il and upgrad ing gas from secondary alteration of shallow oil and gas, which be long ing to pristine and secondary b igen ic gas respec tively. D ifferent sorts of b ogen ic gasm ay be ident if ied acco rd ing as the carbon iso tope and the character of gas constituents B ecau se b ogen ic gas is in the shallow stratum, and easy to do exp ho itat on; furthemore, becau se of the good quality and the low er exp bo raton co st, b igen ic gas should be given a great deal exp lo raton prospecting A Ithough, there have been found about 30 b igen ic gas re servo irs, a lot of them are m all gas re servo irs except that in Q aidan basin The m echan im s of fo m aton and concentrate regu latin c1994-2008 China Academic ournal Electronic Publishing House. All rights reserved. htp: //nnv cnkiner气地球化学特征[J ]. 天然气工业, 2004; 24 (1): 13216. [ 30 ] 王明明, 李本亮, 魏国齐, 等. 柴达木盆地东部第四纪水文地 质条件与生物气成藏[J ]. 石油与天然气地质, 2003, 24 (4): 3412345. [ 31 ] J in Q , Zha M , L iu Z, et al. Geo logy and geochem istry of source rock s in the Q aidam Basin, NW Ch ina[J ]. Journal of Petro leum Geo logy, 2002, 25: 2192238. 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[ 43 ] 刘文汇. 过渡带天然气地球化学特征[J ]. 地球化学, 1995, 24 (4): 3682378. [44 ] 戴金星. 各类烷烃气的鉴别[J ]. 中国科学, 1992, (2): l852 193. [ 45 ] 陈英, 戴金星, 戚厚发. 关于生物气研究中几个理论及方法问 题的研究[J ]. 石油实验地质, 1994, 16 (3): 2092219. [ 46 ] Galimov E M. Sources and m echanism s of fo rm ation of gas2 eous hydrocarbons in sedan entary rock s[J ]. Chem ical Geo2 logy, 1988, 1: 77295. [ 47 ] Row e D , M ueh lenbach s A. L ow 2temperature therm al gene2 ration of hydrocarbon gases in shallow shales[J ]. N ature, 1999, 398: 61262. [ 48 ] 冯子辉, 廖广志, 方伟, 等. 松辽盆地北部西斜坡区稠油成因与 油源关系[J ]. 石油勘探与开发, 2003, 30 (4): 25228. [ 49 ] Zyakun A M , Bondar V A. N am saraev B B. F ractionation of stable carbon iso topes of m ethane in p rocess of m icrobio logi2 cal oxidation [J ]. Geokh im iya, 1979, 2912297. [ 50 ] Stah lW J, Carey J r B B. Source rock identification by iso2 tope analyses of natural gases from fields in the V al V arde D elaw are Basins, W est T exas [J ]. Chem Geo l, 1975, 16: 2572267. [ 51 ] 关德师. 控制生物气富集成藏的基本地质因素[J ]. 天然气工 业, 1997, 17 (5): 8212. [ 52 ] 戴金星, 陈践发, 钟宁宁, 等. 中国大气田及其气源[M ]. 北京: 科学出版社, 2003. [ 53 ] 李本亮, 张道伟. 柴达木盆地三湖地区生物气横向运聚成藏研 究[J ]. 地质论评, 2003, 49 (1): 932100. [ 54 ] N oble R A , H enk J F H. H ydrocarbon charge of a bacterial gas field by p ro longed m ethan ogenesis: an examp le from the East Java Sea, Indonesia [J ]. O rganic Geochem istry, 1998, 29: 3012314. [ 55 ] 张祥, 纪宗兰, 杨银山, 等. 关于生物气源岩评价标准的讨论 ——以柴达木盆地第四系生物气为例[J ]. 天然气地球科学, 2004, 15 (5): 4652470. TY PES AND RESEARCH D IRECTION OF B IOGEN IC GAS IN CH INA L I X ian2qi1 , ZHAN G Shu i2chang2 , ZHU Guang2you 2 , L IAN G Y ing2bo2 (1. P etroCh ina Com p any L im ited , B eij ing 100724, Ch ina; 2. P etroCh ina R esearch Institu te of P etroleum E xp loration &D evelopm ent, B eij ing 100083, Ch ina) Abstract: B iogen ic gas, o riginated from the o rgan ic m atter’s alteration by m icroo rgan ism , is natu ral gas w ith h igh con ten ts of CH 4, w h ich m ay be co sm ically large2scale occu r. Base on the pathw ay and m echa2 n ism of fo rm ation, b iogen ic gas w as divided in to five differen t so rts, as fo llow : early b iogen ic gas, low m atu re gas, late b iogen ic gas, secondary b iogen ic gas from degradation of crude o il and upgrading gas from secondary alteration of shallow o il and gas, w h ich belonging to p ristine and secondary b iogen ic gas respec2 tively. D ifferen t so rts of b iogen ic gasm ay be iden tified acco rding as the carbon iso tope and the character of gas con stituen ts. Becau se b iogen ic gas is in the shallow stratum , and easy to do exp lo itation; fu rtherm o re, becau se of the good quality and the low er exp lo ration co st, b iogen ic gas shou ld be given a great deal exp lo2 ration p ro specting. A lthough, there have been found abou t 30 b iogen ic gas reservo irs, a lo t of them are sm all gas reservo irs excep t that in Q aidam basin. T he m echan ism s of fo rm ation and concen trate regu lation N o. 4 李先奇等: 中国生物成因气的类型划分与研究方向 384 © 1994-2008 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net