天然气地球科学
高级检索
作者投稿 专家审稿 编辑办公

天然气地球科学

• 天然气地球化学 • 上一篇    下一篇

塔里木盆地库车坳陷克深大气田深层天然气成藏地球化学特征

魏强1,2，李贤庆1,2，孙可欣1,2，李瑾3，肖中尧4，梁万乐1,2，张亚超1,2   

  1. 1.中国矿业大学(北京)煤炭资源与安全开采国家重点实验室，北京 100083；
    2.中国矿业大学(北京)地球科学与测绘工程学院，北京 100083；
    3.中国石油勘探开发研究院天然气地质研究所，河北 廊坊 065007；
    4.中国石油塔里木油田分公司勘探开发研究院，新疆 库尔勒 841000
  • 收稿日期:2019-03-20 修回日期:2019-04-18 出版日期:2019-06-10
  • 通讯作者: 李贤庆（1967-），男，浙江富阳人，教授，博士生导师，主要从事煤油气地质、有机地球化学和有机岩石学方面的科研与教学工作. E-mail:Lixq@cumtb.edu.cn
  • 作者简介:魏强（1989-），男，安徽濉溪人，博士研究生，主要从事油气地质和地球化学研究.E-mail：15212181051@163.com.
  • 基金资助:
    国家科技重大专项课题（编号：2016ZX05007-003）；国家自然科学基金项目（编号：U1810201)；中央高校基本科研业务费专项资金项目（编号：2010YM01）联合资助。

Geochemical characteristics of deep-seated natural gas accumulation of the Keshen large gas field in the Kuqa Depression,Tarim Basin

Wei Qiang1,2,Li Xian-qing1,2,Sun Ke-xin1,2,Li Jin3，Xiao Zhong-yao4,Liang Wan-le1,2,Zhang Ya-chao1,2   

  1. 1.State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology (Beijing),
    Beijing 100083,China;2.College of Geoscience and Surveying Engineering,China University of Mining and
    Technology (Beijing),Beijing 100083,China;3.Institute of Natural Gas Geology,Research Institute of
    Petroleum Exploration and Development,PetroChina,Langfang 065007,China;4.Research Institute of Exploration and Development,Tarim Oilfield Company,PetroChina,Korla 841000,China
  • Received:2019-03-20 Revised:2019-04-18 Online:2019-06-10

PDF (PC)

151

摘要： 利用天然气组分定量、稳定碳同位素组成、流体包裹体显微测温和生烃动力学实验数据，对塔里木盆地库车坳陷克深大气田深层天然气的地球化学特征及成因、储层流体包裹体特征与均一温度、油气充注时间及成藏过程进行研究。结果表明:库车坳陷克深大气田深层天然气以烷烃气为主，甲烷含量占87.30%~98.33%，重烃(C2+)含量占0~0.66%，干燥系数达0.99%~1.0%；δ13C1值、δ13C2值分别为-29.3‰~-26.4‰、-21.4‰~-16.1‰，属于过成熟的煤成气。克深大气田白垩系巴什基奇克组储层发育2期烃类包裹体：第Ⅰ期为发蓝白色荧光的液态烃包裹体，指示早期轻质油充注；第Ⅱ期为无荧光的气态烃包裹体，与其共生的盐水包裹体均一温度为145~160℃，为晚期天然气充注。克深大气田主要经历了库车组沉积期末(约2.5Ma)以来的天然气大量充注，气源主要来自克深井区和拜城凹陷生气中心的侏罗系煤系烃源岩，为深埋快速生烃、强源储压差作用下晚期聚集成藏。

关键词: 库车坳陷, 克深大气田, 天然气成因, 流体包裹体, 生烃动力学, 成藏过程

Abstract: The geochemical characteristics and genesis of deep-seated natural gas,type features and homogenization temperature of fluid inclusions,charge time of hydrocarbon and accumulation process of the Keshen large gas field in the Kuqa Depression,Tarim Basin were studied,by using the data of the quantification of gas components,carbon isotope compositions,micro temperature measurement of fluid inclusion,and hydrocarbon generation kinetics.The results show that deep-seated natural gas in the Keshen large gas field is dominated by alkanes,of which methane accounts for 87.30%-98.33%,the C2+ content is 0%-0.66%,and the dryness coefficient is 0.99%-1.0%.The δ13C1 and δ13C2 values are from -29.3‰ to -26.4‰ and from -21.4‰ to -16.1‰,respectively,indicative of the over mature coal-derived gas.There are two episodes of hydrocarbon inclusions in the Cretaceous Bashijiqike Formation reservoirs in the Keshen large gas field.The first phase inclusion is liquid inclusion with blue-white fluorescence color,which means that the early light oil was charged.The second phase inclusion is gas inclusion with non-fluorescence color.The homogenization temperature of aqueous inclusion symbiosis with gas inclusion is 145-160℃,which indicates that the late gas was charged.The Keshen large gas field has experienced large-scale natural gas charging history since the Late Kuche Formation sedimentary period (about 2.5Ma).Natural gas in the Keshen large gas field is mainly originated from Jurassic coal-bearing source rocks in the Keshen well area and center of Baicheng Sag,which is the late accumulation under the actions of rapid hydrocarbon-generation in the deep-buried strata and strong pressure difference gradient of resource-reservoir.

Key words: Kuqa Depression, Keshen large gas field, Genesis of natural gas, Fluid inclusion, Hydrocarbon generation kinetics, Accumulation process

中图分类号: 

  • TE122.1+13
［1］Dai Jinxing,Gong Jianming.Establishment of coal-derived gas geological theory and its strategic significance to the development of natural gas industry in China[J].China Petroleum Exploration,2018,23(4):1-10.<br /> 戴金星,龚剑明.中国煤成气理论形成过程及对天然气工业发展的战略意义[J].中国石油勘探,2018,23(4):1-10.<br /> [2]Feng Songbao,Wang Hongzhi.Geochemical characteristics of natural gas in over-pressured large gas field of Kelasu tectonic belt in Kuqa Depression[J].Natural Gas Geoscience,2013,24(4):784-789.<br /> 冯松宝,汪宏志.库车坳陷克拉苏构造带超高压大气田天然气地球化学特征[J].天然气地球科学,2013,24(4):784-789.<br /> [3]Liu Quanyou,Qin Shengfei,Li Jian,et al.Geochemistry and genetic types of natural gas in Kuqa Depression[J].Science in China：Seris D,2007,37(S2):149-156.<br /> 刘全有,秦胜飞,李剑,等.库车坳陷天然气地球化学以及成因类型剖析[J].中国科学:D辑,2007，37(S2):149-156.<br /> [4]Dai J X,Zou C N,Li J,et al.Carbon isotopes of Middle-Lower Jurassic coal-derived alkane gases from the major basins of northwestern China[J].International Journal of Coal Geology,2009,80(2):124-134.<br /> [5]Burruss R C,Laughrey C D.Carbon and hydrogen isotopic reversals in deep basin gas:Evidence for limits to the stability of hydrocarbons[J].Organic Geochemistry,2010,41(12):1285-1296.<br /> [6]Dai J X,Gong D Y,Ni Y Y,et al.Genetic types of the alkane gases in giant gas fields with proven reserves over 1 000×10<sup>8</sup>m<sup>3</sup> in China[J].Energy Exploration & Exploitation,2014,32(1):1-18.<br /> [7]Zhang S C,Zhang B,Zhu G Y,et al.Geochemical evidence for coal-derived hydrocarbons and their charge history in the Dabei Gas Field,Kuqa thrust belt,Tarim Basin,NW China[J].Marine and Petroleum Geology,2011,28(7):1364-1375.<br /> [8]Zhu G Y,Wang H T,Weng N,et al.Geochemistry,origin and accumulation of continental condensate in the ultra-deep-buried Cretaceous sandstone reservoir,Kuqa Depression,Tarim Basin,China[J].Marine and Petroleum Geology,2015,65:103-113.<br /> [9]Wang Zhaoming.Formation mechanism and enrichment regularities of Kelasu subsalt deep large gas field in Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2014,25(2):153-166.王招明.塔里木盆地库车坳陷克拉苏盐下深层大气田形成机制与富集规律[J].天然气地球科学,2014,25(2):153-166.<br /> [10]Li Xianqing,Feng Songbao,Li Jian,et al.Geochemistry of natural gas accumulation in Sulige large gas field in Ordos Basin[J].Acta Petrologica Sinica,2012,28(2):836-846.李贤庆,冯松宝,李剑,等.鄂尔多斯苏里格大气田天然气成藏地球化学研究[J].岩石学报,2012,28(2):836-846.<br /> [11]Pang Xiongqi.Key challenges and research methods of petroleum exploration in the deep superimposed basin in western China[J].Oil and Gas Geology,2010,31(5):517-541.庞雄奇.中国西部叠合盆地深部油气勘探面临的重大挑战及其研究方法与意义[J].石油与天然气地质,2010,31(5):517-541.<br /> [12]Zhao Mengjun,Lu Xuesong,Zhuo Qingong,et al.Characteristics and distribution law of hydrocarbon accumulation in Kuqa foreland basin[J].Acta Petrolei Sinica,2015,36(4):395-404.赵孟军,鲁雪松,卓勤功,等.库车前陆盆地油气成藏特征与分布规律[J].石油学报,2015,36(4):395-404.<br /> [13]Zhang Lei,Zhu Donghui,Huang Qifei,et al.Different types of tight sand gas reservoirs and their controlling on natural gas distribution:A case study of the Denglouku Formation in Xujiaweizi and Gulong regions,Songliao Basin[J].Journal of China University of Mining and Technology,2015,44(2):308-318.张雷,朱东慧,黄琪斐,等.致密砂岩气藏类型差异对天然气分布控制作用——以松辽盆地徐家围子和古龙地区登娄库组为例[J].中国矿业大学学报,2015,44(2):308-318.<br /> [14]Jiang Tongwen,Sun Xiongwei.Development of Keshen ultra-deep and ultra-high pressure gas reservoirs in the Kuqa foreland basin,Tarim Basin:Understanding points and technical countermeasures[J].Natural Gas Industry,2018,38(6):1-9.江同文,孙雄伟.库车前陆盆地克深气田超深超高压气藏开发认识与技术对策[J].天然气工业,2018,38(6):1-9.<br /> [15]Yang Haijun,Li Yong,Tang Yangang,et al.Discovery of Kelasu subsalt deep large gas field,Tarim Basin[J].Xinjiang Petroleum Geology,2019,40(1):12-20.杨海军,李勇,唐雁刚,等.塔里木盆地克拉苏盐下深层大气田的发现[J].新疆石油地质,2019,40(1):12-20.<br /> [16]Shen Y Q,Lü X X,Guo S,et al.Effective evaluation of gas migration in deep and ultra-deep tight sandstone reservoirs of Keshen structural belt,Kuqa Depression[J].Journal of Natural Gas Science and Engineering,2017,46:119-131.<br /> [17]Sun Kexin,Li Xianqing,Wei Qiang,et al.Restore the hydrocarbon charge history by using fluid history analysis techniques in Dabei Gas Field,Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2018,29(9):1289-1300.孙可欣,李贤庆,魏强,等.利用流体历史分析技术研究库车坳陷大北气田油气充注史[J].天然气地球科学,2018,29(9):1289-1300.<br /> [18]Yang Haijun,Zhang Ronghu,Yang Xianzhang,et al.Characteristics and reservoir improvement effect of structural fracture in ultra-deep tight sandstone reservoir:A case study of Keshen Gasfield,Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2018,29(7):942-950.杨海军,张荣虎,杨宪彰,等.超深层致密砂岩构造裂缝特征及其对储层的改造作用——以塔里木盆地库车坳陷克深气田白垩系为例[J].天然气地球科学,2018,29(7):942-950.<br /> [19]Zhao Libin,Zhang Tonghui,Yang Xuejun,et al.Gas-water distribution characteristics and formation mechanic in deep tight sandstone gas reservoirs of Keshen block,Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2018,29(4):500-509.赵立彬,张同辉,杨学君,等.塔里木盆地库车坳陷克深区块深层致密砂岩气藏气水分布特征与成因机理[J].天然气地球科学,2018,29(4):500-509.<br /> [20]Qin Shengfei,Li Xianqi,Xiao Zhongyao,et al.Geochemistry,origin and distribution of natural gases in Tarim Basin,NW China[J].Petroleum Exploration and Development，2005,32(4):70-78.秦胜飞,李先奇,肖中尧,等.塔里木盆地天然气地球化学及成因与分布特征[J].石油勘探与开发,2005,32(4):70-78.<br /> [21]Gao Wenjie,Li Xianqing,Zhang Guangwu,et al.The relationship research between densification of reservoir and accumulation of the deep tight sandstone gas reservoirs of the Kelasu tectonic zone in Kuqa Depression,Tarim Basin[J].Natural Gas Geoscience,2018,29(2):226-235.高文杰,李贤庆,张光武,等.塔里木盆地库车坳陷克拉苏构造带深层致密砂岩气藏储层致密化与成藏关系[J].天然气地球科学,2018,29(2):226-235.<br /> [22]Wei Qiang,Li Xianqing,Liang Wanle,et al.Geochemical characteristics and genesis of deep tight sandstone gas in the Dabei-Keshen zone,Kuqa Depression[J].Bulletin of Mineralogy,Petrology and Geochemistry,2019,38(2):418-427.魏强,李贤庆,梁万乐,等.库车坳陷大北—克深地区深层致密砂岩气地球化学特征及成因[J].矿物岩石地球化学通报,2019,38(2):418-427.<br /> [23]Jia Chengzao,Li Qiming.Petroleum geology of Kela-2,the most productive gas field in China[J].Marine and Petroleum Geology,2008，25(4/5):335-343.<br /> [24]Lei Ganglin,Xie Huiwen,Zhang Jingzhou,et al.Structural features and natural gas exploration in the Kelasu structural belt,Kuqa Depression[J].Oil and Gas Geology,2007,28(6):816-820.雷刚林,谢会文,张敬洲,等.库车坳陷克拉苏构造带构造特征及天然气勘探[J].石油与天然气地质,2007,28(6):816-820.<br /> [25]Graham S A,Hendrix M S,Wang L B,et al.Collision successor basins of western China,impact of tectonic inheritance on sand composition[J].Geological Society of America Bulletin,1993,105:323-344.<br /> [26]Liang Digang,Zhang Shuichang,Chen Jianping,et al.Organic geochemistry of oil and gas in the Kuqa Depression,Tarim Basin,NW China[J].Organic Geochemistry,2003,34:873-888.<br /> [27]Sun Shuai,Hou Guiting,Zheng Chunfang.Prediction of tensile fractures in KS2 trap,Kuqa Depression,NW China[J].Marine and Petroleum and Geology,2019,101:108-116.<br /> [28]Dai Jinxing.Carbon and hydrogen isotope characteristics of natural gas and identification of various natural gases[J].Natural Gas Geoscience,1993,4(2-3):1-40.戴金星.天然气碳氢同位素特征和各类天然气鉴别[J].天然气地球科学,1993,4(2-3):1-40.<br /> [29]Dai Jinxing,Qi Houfa.The relationship between δ<sup>13</sup>C and R<sub>O</sub> of coal-derived alkane in China[J].Chinese Science Bulletin,1989,34(9):690-692.戴金星,戚厚发.我国煤成烃气的<span>δ</span><sup>13</sup><span>C</span>—R<sub>O</sub>关系[J].科学通报,1989,34(9):690-692.<br /> [30]Li Xianqing,Xiao Xianming,Tian Hui.Natural Gas Generation Kinetics and Its Application[M].Beijing:Geological Publishing House,2011.李贤庆,肖贤明,田辉.天然气生成动力学及其应用[M].北京:地质出版社,2011.<br /> [31]Dai Jinxing.Coal-derived gas theory and its discrimination[J].Chinese Science Bulletin,2018,63(14):1290-1305.戴金星.煤成气及鉴别理论研究进展[J].科学通报,2018,63(14):1290-1305.<br /> [32]Hu G Y,Yu C,Tian X W.The origin of abnormally high benzene in light hydrocarbons associated with the gas from the Kuqa Depression in the Tarim Basin,China[J].Organic Geochemistry,2014,74:98-105.<br /> [33]Guo X W,Liu K Y,Jia C Z,et al.Effects of tectonic compression on petroleum accumulation in the Kelasu thrust belt of the Kuqa Sub-Basin,Tarim Basin,NW China[J].Organic Geochemistry,2016,101:22-37.<br /> [34]Zhao Z F,Pang X Q,Jiang F J,et al.Hydrocarbon generation from confined pyrolysis of Lower Permian Shanxi Formation coal and coal measure mudstone in the Shenfu area,northeastern Ordos Basin,China[J].Maine and Petroleum Geology,2018,97:355-369.<br /> [35]Rooney M A,Claypool G E,Chung H M.Modeling thermogenic gas generation using carbon isotope ratios of natural gas hydrocarbons[J].Chemistry Geology 1995,126:219-232.<br /> [36]Zhao Xin.Research of Oil and Gas Fluid Inclusion of Mesozoic-Cenozoic Reservoir in Kuqa Region of Tarim Basin[D].Beijing:China University of Geosciences,2017.赵欣.塔里木盆地库车地区中—新生代油气藏流体包裹体研究[D].北京:中国地质大学,2017.<br /> <br />
[1] 吴小奇, 倪春华, 陈迎宾, 朱建辉, 李贶, 曾华盛. 鄂尔多斯盆地定北地区上古生界天然气来源[J]. 天然气地球科学, 2019, 30(6): 819-827.
[2] 贾爱林, 唐海发, 韩永新, 吕志凯, 刘群明, 张永忠, 孙贺东, 黄伟岗, 王泽龙. 塔里木盆地库车坳陷深层大气田气水分布与开发对策[J]. 天然气地球科学, 2019, 30(6): 908-918.
[3] 吴伟涛, 王一, 赵靖舟, 杨特波, 李军, 黄正良. 鄂尔多斯盆地中部奥陶系马家沟组中组合天然气成藏规律[J]. 天然气地球科学, 2019, 30(6): 828-839.
[4] 王伟锋, 张仲达. 准噶尔盆地五彩湾地区石炭系烃源岩演化及油气成藏过程[J]. 天然气地球科学, 2019, 30(4): 447-455.
[5] 张辉, 尹国庆, 王海应. 塔里木盆地库车坳陷天然裂缝地质力学响应对气井产能的影响[J]. 天然气地球科学, 2019, 30(3): 379-388.
[6] 孔庆芬 , 张文正, 李剑锋, 昝川莉, . 鄂尔多斯盆地奥陶系盐下天然气地球化学特征及成因[J]. 天然气地球科学, 2019, 30(3): 423-432.
[7] 刘树根, 孙玮, 宋金民, 雍自权, 王浩, 赵聪. 四川盆地中三叠统雷口坡组天然气勘探的关键地质问题[J]. 天然气地球科学, 2019, 30(2): 151-167.
[8] 张荣虎，王珂，王俊鹏，孙雄伟，李君，杨学君，周露. 塔里木盆地库车坳陷克深构造带克深8区块裂缝性低孔砂岩储层地质模型[J]. 天然气地球科学, 2018, 29(9): 1264-1273.
[9] 包建平, 朱翠山, 申旭. 金刚烷类化合物与库车坳陷克拉2构造凝析油的形成机理研究[J]. 天然气地球科学, 2018, 29(9): 1217-1230.
[10] 孙可欣，李贤庆，魏强，梁万乐，李剑，张光武. 利用流体历史分析技术研究库车坳陷大北气田油气充注史[J]. 天然气地球科学, 2018, 29(9): 1289-1300.
[11] 杨海军，张荣虎，杨宪彰，王珂，王俊鹏，唐雁刚，周露. 超深层致密砂岩构造裂缝特征及其对储层的改造作用——以塔里木盆地库车坳陷克深气田白垩系为例[J]. 天然气地球科学, 2018, 29(7): 942-950.
[12] 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.
[13] 赵力彬，张同辉，杨学君，郭小波，饶华文. 塔里木盆地库车坳陷克深区块深层致密砂岩气藏气水分布特征与成因机理[J]. 天然气地球科学, 2018, 29(4): 500-509.
[14] 高文杰，李贤庆，张光武，魏强，张吉振，祁帅，陈金明. 塔里木盆地库车坳陷克拉苏构造带深层致密砂岩气藏储层致密化与成藏关系[J]. 天然气地球科学, 2018, 29(2): 226-235.
[15] 李国欣, 易士威, 林世国, 高阳, 李明鹏, 李德江, 王昌勇. 塔里木盆地库车坳陷东部地区下侏罗统储层特征及其主控因素[J]. 天然气地球科学, 2018, 29(10): 1506-1517.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!