王香增,贺永红,张立宽,付明义
WANG Xiang-zeng,HE Yong-hong,ZHANG Li-kuan,FU Ming-yi
摘要:
鄂尔多斯盆地中部志丹—吴起地区延长组长10油层组顶部发育一套湖相暗色泥岩,确定该套烃源岩的地质地球化学特征及生烃潜力对该区油气勘探有重要意义。利用岩心和测井资料,研究了长10暗色泥岩的分布特征,通过开展岩石热解、干酪根显微组分、镜质体反射率、可溶有机质族组分及饱和烃色谱—质谱等有机地球化学测试和分析,评价了长10烃源岩的生烃潜力。研究表明,长10暗色泥岩分布广泛,厚度为5~20m;烃源岩有机质丰度和生烃转化率较高,有机质母质中陆源植物生源贡献较大,主要为Ⅱ型和Ⅲ型干酪根,有机质热演化程度达到成熟生油阶段,总体评价为较好—好烃源岩。长10烃源岩的生物标志化合物特征有别于长7烃源岩和长9烃源岩,具有高Pr/Ph值、ααα20R构型C27、C28和C29规则甾烷呈反“L”型分布的典型特征。长10烃源岩的生烃量较大,是鄂尔多斯盆地中生界另外一套重要的有效烃源岩,该套烃源岩的发现为鄂尔多斯盆地中部延长组下组合的深入勘探提供了科学依据。
中图分类号:
[1]Dang Ben,Zhao Hong,Yan Zhouquan,et al.Characteristics of Mesozoic reservoirs in the southwest of Zhidan district,Ordos Basin[J].Natural Gas Geosciences,2003,18(3):356-360.[党犇,赵虹,燕洲泉,等.鄂尔多斯盆地志丹探区西南部延安组和延长组储层物性比较研究[J].天然气地球科学,2003,18(3):356-360.][2]Yang Hua,Zhang Wenzheng.Leading effect of the Seventh Member high-quality source rock of Yanchang Formation in Ordos Basin during the enrichment of low-penetrating oil-gas accumulation:Geology and geochemistry[J].Geochimica,2005,34(2):147-154.[杨华,张文正.论鄂尔多斯盆地长7段优质油源岩在低渗透油气成藏富集中的主导作用:地质地球化学特征[J].地球化学,2005,34(2):147-154.][3]Zhang Wenzheng,Yang Hua,Li Jianfeng,et al.Leading effect of high-class source rock of Chang 7 in Ordos Basin on enrichment of low permeability oil-gas accumulation:Hydrocarbon generation and expulsion mechanism[J].Petroleum Exploration and Development,2006,33(3):289-293.[张文正,杨华,李剑锋,等.论鄂尔多斯盆地长7段优质油源岩在低渗透油气成藏富集中的主导作用——强生排烃特征及机理分析[J].石油勘探与开发,2006,33(3):289-293.][4]Zhang Xiaoli,Duan Yi,He Jinxian,et al.Geochemical characteristics of crude oil in lower part of Yanchang Formation and correlation of oil source in Huaqing area of Ordos Basin[J].Natural Gas Geosciences,2011,22(5):866-873.[张晓丽,段毅,何金先,等.鄂尔多斯盆地华庆地区延长组下油层组原油地球化学特征及油源对比[J].天然气地球科学,2011,22(5):866-873.][5]Yu Jian,Han Yonglin,Ling Shengjie.Geological characteristics and reservoir types of oil fields in Yanchang Formation,Triassic System,Ordos Basin[J].China Petroleum Exploration,2001,6(4):13-19.[喻建,韩永林,凌升阶.鄂尔多斯盆地三叠系延长组油田成藏地质特征及油藏类型[J].中国石油勘探,2001,6(4):13-19.][6]He Zixin.The Evolution and Hydrocarbon of Ordos Basin[M].Beijing:Petroleum Industrial Press,2003:88-91.[何自新.鄂尔多斯盆地演化与油气[M].北京:石油工业出版社,2003:88-91.][7]Ma Suping,Qi Yaling,Zhang Xiaobao,et al.Geochemical characteristics and hydrocarbon generation potential of the source rocks in Yanchang Formation,Xifeng Oilfield,Ordos Basin[J].Petroleum Exploration and Development,2005,32(3):51-55.[马素萍,漆亚玲,张晓宝,等.西峰油田延长组烃源岩生烃潜力评价[J].石油勘探与开发,2005,32(3):51-55.][8]Duan Yi,Wu Baoxiang,Zhang Hui,et al.Geochemistry and genesis of crude oil of Xifeng Oilfield in Ordos Basin[J].Acta Geologica Sinica,2006,80(2):301-310.[段毅,吴保祥,张辉,等.鄂尔多斯盆地西峰油田原油地球化学特征及其成因[J].地质学报,2006,80(2):301-310.][9]Xu Shilin,Bao Shujing.Preliminary analysis of shale gas resource potential and fabourable areas in Ordos Basin[J].Natural Gas Geosciences,2009,20(3):460-466.[徐士林,包书景.鄂尔多斯盆地三叠系延长组页岩气形成条件及有利发育区预测[J].天然气地球科学,2009,20(3):460-466.][10]Zhang Wenzheng,Yang Hua,Yang Yihua.Petrology and element geochemistry and development environment of Yanchang Formation Chang-7 high quality source rocks in Ordos Basin[J].Geochimica,2008,37(1):59-64.[张文正,杨华,杨奕华.鄂尔多斯盆地长7优质烃源岩的岩石学、元素地球化学特征及发育环境[J].地球化学,2008,37(1):59-64.][11]Zhang Wenzheng,Yang Hua,Fu Suotang,et al.Discussion on the genesis of good lacustrine hydrocarbon source rock of Chang 9-1 in Ordos Basin[J].Science in China:Earth Sciences,2007,37(supplement 1):33-36.[张文正,杨华,傅锁堂,等.鄂尔多斯盆地长9-1湖相优质烃源岩的发育机制探讨[J].中国科学:D辑,2007,37(增刊1):33-36.][12]Zhang Wenzheng,Yang Hua,Li Shanpeng.Hydrocarbon accumulation significance of Chang 91 high-quality lacustrine source rocks of Yanchang Formation,Ordos Basin[J].Petroleum Exploration and Development,2008,35(5):557-563.[张文正,杨华,李善鹏.鄂尔多斯盆地长91湖相优质烃源岩成藏意义[J].石油勘探与开发,2008,35(5):557-563.][13]Shi Lei,Lu Shuangfang,Li Jijun.Evaluation of source rock of Chang 9 Member,Yanchang Formation,Ordos Basin[J].Science Technology and Engineering,2011,11(20):4756-4765.[师磊,卢双舫,李吉君.鄂尔多斯盆地长9烃源岩评价[J].科学技术与工程,2011,11(20):4756-4765.][14]Zhai Guangming,Song Jianguo,Jin Jiuqiang,et al.Plate Tectonics Evolution and Evaluation and Formation of Hydrocarbon-bearing Basin[M].Beijing:Petroleum Industrial Press,2002:229.[翟光明,宋建国,勒久强,等.板块构造演化与含油气盆地形成和评价[M].北京:石油工业出版社,2002:229.][15]Yang Junjie.Tectonics Evolution and Distribution of Hydrocarbon of Ordos Basin[M].Beijing:Petroleum Industrial Press,2002:36-101.[杨俊杰.鄂尔多斯盆地构造演化与油气分布规律[M].北京:石油工业出版社,2002:36-101.][16]Li Desheng.Return to petroleum geology of Ordos Basin[J].Petroleum Exploration and Development,2004,31(6):1-7.[李德生.重新认识鄂尔多斯盆地油气地质学[J].石油勘探与开发,2004,31(6):1-7.][17]Chen Anning,Han Yonglin,Ling Shengjie,et al.Geological characteristics and reservoir types of oil fields in Yanchang Formation,Triassic System,Ordos Basin[J].Low Permeability Oil & Gas Fields,2000,5(3):30-39.[陈安宁,韩永林,凌升阶,等.鄂尔多斯盆地三叠系延长组成藏地质特征及油藏类型[J].低渗透油气田,2000,5(3):30-39.][18]Huang Difan,Li Jinchao,Zhou Zhehong,et al.Evolution and Hydrocarbon Generation Mechanisms of Terrestrial Organic Matter[M].Beijing:Petroleum Industrial Press,1984:17-152.[黄第藩,李晋超,周翥红,等.陆相有机质演化和成烃机理[M].北京:石油工业出版社,1984:17-152.][19]Wang Tieguan,Zhong Ningning,Hou Dujie,et al.Generation Mechanisms and Distribution of Low Material Hydrocarbon[M].Beijing:Petroleum Industrial Press,1995:77-135.[王铁冠,钟宁宁,侯读杰,等.低熟油气的形成机理与分布规律[M].北京:石油工业出版社,1995:77-135.][20]Wang Tieguan,Zhong Ningning,Xiong Bo,et al.Organic petrologic methodology for evaluation of hydrocarbon generation potential in source rocks[J].Acta Petrolei Acta,1994,15(4):9-16.[王铁冠,钟宁宁,熊波,等.源岩生烃潜力的有机岩石学评价方法[J].石油学报,1994,15(4):9-16.][21]Wu Liyan,Gu Xinzhang.The application of pyrolysis technique in source rock research[J].Acta Petrolei Acta,1986,7(2):13-19.[邬立言,顾信章.热解技术在我国生油岩研究中的应用[J].石油学报,1986,7(2):13-19.][22]Cheng Keming,Wang Tieguan,Zhong Ningning,et al.Geochemistry of Hydrocarbon Source Rocks[M].Beijing:Scinece Press,1995:58-62.[程克明,王铁冠,钟宁宁,等.烃源岩地球化学[M].北京:科学出版社,1995:58-62.][23]Lerche I,Yarzab R F,Kendall C G.St.C.Determination of paleoheat flux from vitrinite reflectance data[J].AAPG Bulletin,1984,68:1704-1717. |
[1] | 李梦茹,唐友军,刘岩,胡辉,贺其川. 江陵凹陷不同地区原油地球化学特征及油源对比[J]. 天然气地球科学, 2018, 29(9): 1240-1251. |
[2] | 刘琴琴,陈桂华,陈晓智,祝彦贺,杨小峰. 鄂尔多斯盆地L地区上古生界上石盒子组物源特征及其对储层的控制作用[J]. 天然气地球科学, 2018, 29(8): 1094-1101. |
[3] | 朱立文,王震亮,张洪辉. 鄂尔多斯盆地乌审召地区山2亚段致密气“甜点”控因分析[J]. 天然气地球科学, 2018, 29(8): 1085-1093. |
[4] | 杨智峰,曾溅辉,韩菲. 鄂尔多斯盆地西南部延长组7段致密油充注影响因素分析[J]. 天然气地球科学, 2018, 29(7): 961-972. |
[5] | 贾智彬,侯读杰,孙德强,姜玉涵,张自鸣,洪梅. 贵州地区牛蹄塘组底部烃源岩地球化学特征[J]. 天然气地球科学, 2018, 29(7): 1031-1041. |
[6] | 陈斐然,张义杰,朱光有,张宝收,卢玉红,张志遥. 塔里木盆地台盆区深层天然气地球化学特征及成藏演化[J]. 天然气地球科学, 2018, 29(6): 880-891. |
[7] | 邓焱,胡国艺,赵长毅. 四川盆地龙岗气田长兴组—飞仙关组天然气地球化学特征及成因[J]. 天然气地球科学, 2018, 29(6): 892-907. |
[8] | 王香增,张丽霞,姜呈馥,尹锦涛,高潮,孙建博,尹娜,薛莲花. 鄂尔多斯盆地差异抬升对长7页岩孔隙的影响——以东南部甘泉地区和南部渭北隆起地区为例[J]. 天然气地球科学, 2018, 29(5): 597-605. |
[9] | 杨超,贺永红,马芳侠,雷裕红,陈义国. 鄂尔多斯盆地南部三叠系延长组有机流体活动期次划分[J]. 天然气地球科学, 2018, 29(5): 655-664. |
[10] | 葛岩,朱光辉,万欢,潘新志,黄志龙. 鄂尔多斯盆地东缘紫金山侵入构造对上古生界致密砂岩气藏形成和分布的影响[J]. 天然气地球科学, 2018, 29(4): 491-499. |
[11] | 贺领兄,宋维刚,安生婷,徐永锋,沈娟,路超,王军. 青海东昆仑地区八宝山盆地烃源岩有机地球化学特征与页岩气勘探前景[J]. 天然气地球科学, 2018, 29(4): 538-549. |
[12] | 杨飞,蒲秀刚,姜文亚,韩文中,张伟,时战楠,林常梅. 渤海湾盆地沧东凹陷孔二段细粒相区有机地球化学特征[J]. 天然气地球科学, 2018, 29(4): 550-558. |
[13] | 屈雪峰,周晓峰,刘丽丽,丁黎. 鄂尔多斯盆地古峰庄—麻黄山地区长82低渗透砂岩致密化过程分析[J]. 天然气地球科学, 2018, 29(3): 337-348. |
[14] | 魏新善,魏柳斌,任军峰,蔡郑红,周黎霞. 鄂尔多斯盆地下古生界风化壳气藏差异性[J]. 天然气地球科学, 2018, 29(2): 178-188. |
[15] | 陈跃,马东民,吴圣,李新虎,方世跃,郭晨. 鄂尔多斯盆地东缘煤系伴生泥页岩孔隙特征及主控因素[J]. 天然气地球科学, 2018, 29(2): 189-198. |
|