天然气地球科学 ›› 2010, Vol. 21 ›› Issue (1): 132138.doi: 10.11764/j.issn.1672-1926.2010.01.132
施洋,包建平,朱翠山,詹兆文,袁莉,徐文
SHI Yang, BAO Jian-Ping,ZHU Cui-Shan, ZHAN Zhao-Wen, YUAN Li,XU Wen
摘要:
通过对取自七个泉油田和咸水泉油田原油样品中各类生物标志物的分布与组成特征的对比,发现七个泉油田原油中正构烷烃系列比较完整且丰度较高,而咸水泉油田原油中正构烷烃因轻微生物降解而被部分消耗,导致咸水泉油田原油的Pr/nC17值和Ph/nC18值明显高于七个泉油田原油。2个油田原油均呈现较强烈的植烷优势,七个泉油田原油的姥/植比更低,表明它们都来源于强还原环境下形成的烃源岩。在生物标志物分布与组成特征上,七个泉油田原油甾烷的C27/C29>1,而咸水泉[JP2]油田原油甾烷的C27/C29值均为0.8,意味着七个泉油田原油中浮游植物贡献高于咸水泉油田。咸水泉油田原油的C29甾烷ααα20S/(ααα20S+ααα20R)值和重排补身烷含量高于七个泉油田原油,暗示咸水泉油田原油成熟度比七个泉油田原油成熟度高。2个油田的长链藿烷序列均比较完整,伽马蜡烷含量也较高,对比长链藿烷和伽马蜡烷的丰度发现咸水泉油田原油的长链藿烷和伽马蜡烷丰度都比七个泉油田原油低,说明咸水泉油田原油形成的环境的盐度和还原性比七个泉油田原油弱。
中图分类号:
[1]Fang Xiang, Jiang Bo, Zhang Yongshu. Faulted structure and hydrocarbon accumulation in western Qaidam basin[J].Oil & Gas Geology, 2006, 27(6):56-61.[方向,江波,张永庶.柴达木盆地西部地区断裂构造与油气聚集[J].石油与天然气地质,2006,27(6):56-61.] [2]Song Jianguo, Liao Jian. Structural characteristics and petroliferous regions in the Chaidamu basin[J].Acta Petrolei Sinica, 1982(supplement):14-23.[宋建国,廖健.柴达木盆地构造特征及油气区的划分[J].石油学报,1982(增刊):14-23.] [3]Wang Li, Jin Qiang. Tertiary hydrocarbon kitchen in western Qaidam basin and its control on hydrocarbon accumulation[J].Oil & Gas Geology, 2005, 26(4):467-472.[王力,金强.柴达木盆地西部第三系烃源灶及其对油气聚集的控制作用[J].石油与天然气地质,2005,26(4):467-472.] [4]Guo Zeqing, Zhong Jianhua, Liu Weihong,et al. Relationship between abnormal overpressure and reservoir formation in the Tertiary of the western Qaidam basin[J].Acta Petrolei Sinica, 2004, 25(4):13-18.[郭泽清,钟建华,刘卫红,等.柴达木盆地西部第三系异常高压与油气成藏[J].石油学报,2004,25(4):13-18.] [5]Zhao Dongsheng, Zhang Min, Zhang Daowei,et al.Maturity of Tertiary oil-source in west Qaidam basin[J].Acta Sedimentologica Sinica, 2007, 25(2):319-324.[赵东升,张敏,张道伟,等.柴达木盆地西部地区古、新近系油源成熟度[J].沉积学报,2007,25(2):319-324.] [6]Jin Qiang, Zha Ming, Zhao Lei.Identification of effective source rocks in the Tertiary evaporate facies in the western Qaidam basin[J].Acta Sedimentologica Sinica, 2001, 19(1):125-129.[金强,查明,赵磊.柴达木盆地西部第三系盐湖相有效生油岩的识别[J].沉积学报,2001,19(1):125-129.][7]Seifert W K, Moldowan J M. The effect of biodegradation on steranes and terpanes in crude oil[J]. Geochimiac et Cosmochimica Acta, 1979, 43:111-126.[8]Moldowan J M, Sundararaman P, Salvatori T,et al. Source Correlation and Maturity Assessment of Select Oils and Rocks From the Central Adratic Basin(Italy and Yugoslavia)[C]//Moldowan J M, Albrecht P, Philp R P,et al. Biological Markers in Sediments and Petroleum. Prentice Hall, Englewood Cliffs, N J,1992:370-401. [9]Duan Chuanli, Chen Jianfa.Geochemical characteristics of biodegraded crude oil and their significances[J].Natural Gas Geoscience, 2007, 18(2):278-283.[段传丽,陈践发.生物降解原油的地球化学特征及其意义[J].天然气地球科学,2007,18(2):278-283.] [10]Grimalt J,Albaiges J. Source and occurrence of C12-C22 nalkane distributionswith even carbon-number preference in sedimentary environments[J].Geochim Cosmochim Acta, 1987,51:1379-1384. [11]Zhang Chunming, Sun Fujie, Lin Qing,et al.Distribution of bicyclic sesquiterpanes in QHD32-6 oilfield and its significance[J].China Offshore Oil and Gas, 2005, 17(4):228-230.[张春明,孙福街,林青,等.秦皇岛32-6油田双环倍半萜的分布及其意义[J].中国海上油气,2005,17(4):228-230.] [12]Zhu Yangming. Geochemistry of Mesozoic Terrestrial Source Rock and Oil in the Tarim Basin[M].Chongqing: Chongqing University Press, 1997.[朱扬明.塔里木盆地中生界陆相生油层及原油地球化学[M].重庆:重庆大学出版社, 1997.] [13]Zhang Min, Lin Renzi, Mei Bowen. Reservoir Geochemistry—The Research of Petroleum System of Kuqa Depression, Tarim Basin, China[M].Chongqing: Chongqing University Press, 1997.[张敏,林壬子,梅博文.油藏地球化学—塔里木盆地库车含油气系统研究[M].重庆:重庆大学出版社, 1997.] [14]Bao Jianping, Zhu Cuishan, Ni Chunhua. Distribution and composition of biomarkers in crude oils from different sags of Beibuwan basin[J].Acta Sedimentologica Sinica, 2007, 25(4):646-651.[包建平,朱翠山,倪春华.北部湾盆地不同凹陷原油生物标志物分布与组成特征[J].沉积学报,2007,25(4):646-651.] [15]Bao Jianping, Liu Yurui, Zhu Cuishan,et al.The geochemical properties of natural gas and crude oil from Xuwen X1 well,Maicheng sag, Beibuwan basin[J].Natural Gas Geoscience, 2006, 17(3):300-304.[包建平,刘玉瑞,朱翠山,等.北部湾盆地迈陈凹陷徐闻X1井油气地球化学特征[J].天然气地球科学,2006,17(3):300-304.] [16]Venkatesan M I.Tetrahymanol:Its widespread occurrence and geochemical significance[J]. Geochimica et Cosmochimica Acta,1989,53:3095-3101. |
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