鄂尔多斯盆地延长组长7段页岩油形成富集机理

doi:10.11743/ogg20200406

Abstract

Abstract:

Shale oil is a kind of important unconventional hydrocarbon resource in urgent need of exploitation.A systematic analysis of the forming conditions and accumulation mechanisms of shale oil in the 7th member of the Yanchang Formation (Chang 7 member) in Ordos Basin was carried out by using petro-chemistry and source rock geochemistry methods.The results show that the oil shale deposited in the member is extremely rich in organic matter with an average residual organic carbon abundance of 7.4%, and contains well-developed micro- and nano-pores for shale oil accumulation.Three main mechanisms of shale oil accumulation in the member are brought forward in this study:(1) both high organic matter productivity and strong reducing water environment served to effectively preserve organic matters in the super eutrophic lake basin during deposition, and organic shale of high abundance developed thereby provided the material basis for shale oil generation; (2) organic-rich shale characterized by strong oil-generating capacity, high conversion efficiency, and high intensity of oil expulsion in the member provided favorable conditions for the generation of shale oil in large scale; and (3) the dual occurrence mode of shale oil, i.e., organic matter adsorption and pore retention, provided various ways for the enrichment of shale oil in the member.

Key words: organic-rich shale, accumulation mechanism, shale oil, Change 7 member, Ordos Basin

CLC Number:

TE122.1

Shixiang Li, Xiaobing Niu, Guangdi Liu, Jihong Li, Mingliang Sun, Fuliang You, Haonan He. Formation and accumulation mechanism of shale oil in the 7th member of Yanchang Formation, Ordos Basin[J]. Oil & Gas Geology, 2020, 41(4): 719-729.

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References 41

1	贾承造, 郑民, 张永峰. 中国非常规油气资源与勘探开发前景[J]. 石油勘探与开发, 2012, 39 (2): 121- 136.
	Jia Chengzao , Zheng Min , Zhang Yongfeng . Unconventional hydrocarbon resources in China and the prospect of exploration and development[J]. Petroleum Exploration and Development, 2012, 39 (2): 121- 136.
2	李登华, 刘卓亚, 张国生, 等. 中美致密油成藏条件、分布特征和开发现状对比与启示[J]. 天然气地球科学, 2017, 28 (7): 1126- 1138.
	Li Denghua , Liu Zhuoya , Zhang Guosheng , et al. Comparison and reve-lation of tight oil accumulation conditions, distribution characteristics and development status between China and U.S[J]. Natural Gas Geoscience, 2017, 28 (7): 1126- 1138.
3	罗承先, 周韦慧. 美国页岩油开发现状及其巨大影响[J]. 中外能源, 2013, 18 (3): 3- 40.
	Luo Chengxian , Zhou Weihui . Shale oil development in US and implications[J]. Sino-Global Energy, 2013, 18 (3): 3- 40.
4	宋岩, 李卓, 姜振学, 等. 非常规油气地质研究进展与发展趋势[J]. 石油勘探与开发, 2017, 44 (4): 638- 648.
	Song Yan , Li Zhuo , Jiang Zhenxue , et al. Progress and development trend of unconventional oil and gas geological research[J]. Petroleum Exploration and Development, 2017, 44 (4): 638- 648.
5	王红军, 马锋, 童晓光, 等. 全球非常规油气资源评价[J]. 石油勘探与开发, 2016, 43 (6): 850- 862.
	Wang Hongjun , Ma Feng , Tong Xiaoguang , et al. Assessment of global unconventional oil and gas resources[J]. Petroleum Exploration and Development, 2016, 43 (6): 850- 862.
6	周庆凡, 杨国丰. 美国页岩油气勘探开发现状与发展前景[J]. 国际石油经济, 2018, 26 (9): 39- 46. doi: 10.3969/j.issn.1004-7298.2018.09.006
	Zhou Qingfan , Yang Guofeng . Current situation and development prospect of shale oil and gas exploration and development in the United States[J]. International Petroleum Economy, 2018, 26 (9): 39- 46. doi: 10.3969/j.issn.1004-7298.2018.09.006
7	贾承造, 邹才能, 李建忠, 等. 中国致密油评价标准、主要类型、基本特征及资源前景[J]. 石油学报, 2012, 33 (3): 343- 350.
	Jia Chengzao , Zou Caineng , Li Jianzhong , et al. Assessment criteria, main types, basic features and resource prospects of the tight oil in China[J]. Acta Petrolei Sinica, 2012, 33 (3): 343- 350.
8	邹才能, 陶士振, 侯连华. 非常规油气地质[M]. 北京: 地质出版社, 2011: 1- 310.
	Zou Caineng , Tao Shizhen , Hou Lianhua . Unconventional petroleum geology[M]. Beijing: Geological Publishing House, 2011: 22- 71.
9	邹才能, 朱如凯, 白斌, 等. 致密油与页岩油内涵、特征、潜力及挑战[J]. 矿物岩石地球化学通报, 2015, 34 (01): 1- 17.1-17+1-2 doi: 10.3969/j.issn.1007-2802.2015.01.001
	Zou Cai-neng , Zhu Rukai , Bai Bin , et al. Significance, geologic chara-cteristics, resource potential and future challenges of tight oil and shale oil[J]. Bulletin of Mineralogy, Petrology and Geochemistry, 2015, 34 (01): 1- 17. 1-17+1-2 doi: 10.3969/j.issn.1007-2802.2015.01.001
10	邹才能, 朱如凯, 吴松涛, 等. 常规与非常规油气聚集类型、特征、机理及展望——以中国致密油和致密气为例[J]. 石油学报, 2012, 33 (2): 173- 187.
	Zou Caineng , Zhu Rukai , Wu Songtao , et al. Types, characteristics, genesis and prospects of conventional and unconventional hydrocarbon accumulations:taking tight oil and tight gas in China as an instance[J]. Acta Petrolei Sinica, 2012, 33 (2): 173- 187.
11	邹才能, 翟光明, 张光亚, 等. 全球常规-非常规油气形成分布、资源潜力及趋势预测[J]. , 2015, 42 (1): 13- 26. doi: 10.3969/j.issn.1674-5183.2015.01.006
	Zou Caineng , Zhai Guangming , Zhang Guangya , et al. Formation, distribution, potential and prediction of global conventional and unconventional hydrocarbon resources[J]. Petroleum Exploration and Development, 2015, 42 (1): 13- 26. doi: 10.3969/j.issn.1674-5183.2015.01.006
12	E IA . Technically recoverable shale oil and shale gas resources:An assessment of 137 shale formations in 41 countries outside the United States[M]. Washington DC: U.S.Department of Energy, 2013.
13	U.S.Energy Information Administration.Annual energy outlook 2017[R].Washington DC: U.S.Energy Information Administration, 2017.
14	USGS.Assessment of undiscovered oil resources in the Devonian-Mississippian Bakken Formation, Williston Basin Province, Montana and North[R].USGS Fact Sheet, 2008, 115-165.
15	章新文, 余志远, 黄庆, 等. 泌阳凹陷陆相页岩油富集主控因素分析[J]. 石油地质与工程, 2013, 27 (3): 5- 11. doi: 10.3969/j.issn.1673-8217.2013.03.002
	Zhang Xinwen , Yu Zhiyuan , Huang Qing , et al. Discussion on main controlling factors of continental shale oil enrichment in Biyang Depression[J]. Pet Geol Eng, 2013, 27 (3): 5- 11. doi: 10.3969/j.issn.1673-8217.2013.03.002
16	朱景修, 章新文, 罗曦, 等. 泌阳凹陷陆相页岩油资源与有利区评价[J]. 石油地质工程, 2015, 29 (5): 38- 43.
	Zhu Jinxiu , Zhang Xinwen , Luo Xi , et al. Continental shale oil resources and favorable area evaluation of Biyang depression[J]. Petroleum Geology and Engineering, 2015, 29 (5): 38- 43.
17	陈祥, 王敏, 严永新, 等. 泌阳凹陷陆相页岩油气成藏条件[J]. 石油与天然气地质, 2011, 32 (4): 568- 576.
	Chen Xiang , Wang Min , Yan Yongxin , et al. Accumulation conditions for continental shale oil and gas in the Biyang Depression[J]. Oil Gas Geol, 2011, 32 (4): 568- 576.
18	武晓玲, 高波, 叶欣, 等. 中国东部断陷盆地页岩油成藏条件与勘探潜力[J]. 石油与天然气地质, 2013, 34 (4): 455- 462.
	Wu Xiaoling , Gao Bo , Ye Xin , et al. Shale oil accumulation conditions and exploration potential of faulted basins in the east of China[J]. Oil Gas Geol, 2013, 34 (4): 455- 462.
19	杨华, 李士祥, 刘显阳. 鄂尔多斯盆地致密油、页岩油特征及资源潜力[J]. 石油学报, 2013, 34 (1): 1- 11.
	Yang Hua , Li Shixiang , Liu Xianyang . Characteristics and resource prospects of tight oil and shale oil in Ordos Basin[J]. Acta Petrolei Sinica, 2013, 34 (1): 1- 11.
20	赵贤正, 周立宏, 蒲秀刚, 等. 陆相湖盆页岩层系基本特征与页岩油勘探突破:以渤海湾盆地沧东凹陷古近系孔店组二段一亚段为例[J]. 石油勘探与开发, 2018, 45 (3): 361- 372.
	Zhao Xianzheng , Zhou Lihong , Pu Xiugang , et al. Geological characteristics of shale rock system and shale oil exploration break through in a lacustrine basin:A case study from the Paleogene 1st sub-member of Kong 2 Member in Cangdong sag, Bohai Bay Basin, China[J]. Petroleum Exploration and Development, 2018, 45 (3): 361- 372.
21	赵贤正, 周立宏, 赵敏, 等. 陆相页岩油工业化开发突破与实践——以渤海湾盆地沧东凹陷孔二段为例[J]. 中国石油勘探, 2019, 24 (5): 589- 600. doi: 10.3969/j.issn.1672-7703.2019.05.006
	Zhao Xianzheng , Zhou Lihong , Zhao Min , et al. Breakthrough and practice of industrial development on continental shale oil:a case study on Kong-2 Member in Cangdong sag, Bohai Bay Basin[J]. China Petroleum Exploration, 2019, 24 (5): 589- 600. doi: 10.3969/j.issn.1672-7703.2019.05.006
22	付金华, 邓秀芹, 楚美娟, 等. 鄂尔多斯盆地延长组深水岩相发育特征及其石油地质意义[J]. 沉积学报, 2013, 31 (5): 928- 938.
	Fu Jinhua , Deng Xiuqin , Chu Meijuan , et al. Features of deepwater lithofacies, Yanchang Formation in Ordos Basin and its petroleum significance[J]. Acta Sedimentologica Sinica, 2013, 31 (5): 928- 938.
23	杨华, 梁晓伟, 牛小兵, 等. 陆相致密油形成地质条件及富集主控因素——以鄂尔多斯盆地三叠系延长组7段为例[J]. 石油勘探与开发, 2017, 44 (1): 12- 20.
	Yang Hua , Liang Xiaowei , Niu Xiaobing , et al. Geological conditions for continental tight oil formation and the main controlling factors for the enrichment:A case of Chang 7 Member, Triassic Yanchang Formation, Ordos Basin, NW China[J]. Petroleum Exploration and Development, 2017, 44 (1): 12- 20.
24	杨华, 张文正. 论鄂尔多斯盆地长7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. doi: 10.3321/j.issn:0379-1726.2005.02.007
	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. doi: 10.3321/j.issn:0379-1726.2005.02.007
25	张文正, 杨华, 候林慧, 等. 鄂尔多斯盆地延长组不同烃源岩17α(H)-重排藿烷的分布及其地质意义[J]. 中国科学(D辑:地球科学), 2009, 39 (10): 1438- 1445.
	Zhang Wenzheng , Yang Hua , Hou Linhui , et al. Distribution and geological significance of 17α(H)-diahopanes from different hydrocarbon source rocks of Yanchangn Formation in Ordos Basin[J]. Sci China Ser D-Earth Sci, 2009, 39 (10): 1438- 1445.
26	张文正, 杨华, 李剑峰, 等. 论鄂尔多斯盆地长7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. doi: 10.3321/j.issn:1000-0747.2006.03.006
	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[J]. Petroleum Exploration and Development, 2006, 33 (3): 289- 293. doi: 10.3321/j.issn:1000-0747.2006.03.006
27	张文正, 杨华, 杨奕华, 等. 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. doi: 10.3321/j.issn:0379-1726.2008.01.008
	Zhang Wenzheng , Yang Hua , Yang Yihua , et al. 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. doi: 10.3321/j.issn:0379-1726.2008.01.008
28	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, 2001: 36- 37.
	Yang Junjie . Structural Evolution and Hydrocarbon Distribution of Ordos Basin[M]. Beijing: Petroleum Industry Press, 2001: 36- 37.
29	付金华, 罗顺社, 牛小兵, 等. 鄂尔多斯盆地陇东地区长7段沟道型重力流沉积特征研究[J]. 矿物岩石地球化学通报, 2015, 34 (1): 29- 37+1. doi: 10.3969/j.issn.1007-2802.2015.01.003
	Fu Jinhua , Luo Shunshe , Niu Xiaobing , et al. Sedimentary Characteri-stics of Channel Type Gravity Flow of the Member 7 of Yanchang Formation in the Longdong Area, Ordos[J]. Basin Bulletin of Mineralogy, Petrology and Geochemistry, 2015, 34 (1): 29- 37+1. doi: 10.3969/j.issn.1007-2802.2015.01.003
30	付金华, 喻建, 徐黎明, 等. 鄂尔多斯盆地致密油勘探开发新进展及规模富集可开发主控因素[J]. 中国石油勘探, 2015, 20 (05): 9- 19. doi: 10.3969/j.issn.1672-7703.2015.05.002
	Fu Jinhua , Yu Jian , Xu Liming , et al. New progress in exploration and development of tight oil in Ordos Basin and main controlling factors of large-scale enrichment and exploitable capacity[J]. China Petroleum Exploration, 2015, 20 (05): 9- 19. doi: 10.3969/j.issn.1672-7703.2015.05.002
31	姚泾利, 赵彦德, 邓秀芹, 等. 鄂尔多斯盆地延长组致密油成藏控制因素[J]. 吉林大学学报(地球科学版), 2015, 45 (4): 983- 992.
	Yao Jingli , Zhao Yande , Deng Xiuqin , et al. Controlling factors of tight oil reservior in Triassic Yanchang Formation in Ordos Basin[J]. Journal of Jilin University(Earth Science Edition), 2015, 45 (4): 983- 992.
32	杨华, 牛小兵, 徐黎明, 等. 鄂尔多斯盆地三叠系长7段页岩油勘探潜力[J]. 石油勘探与开发, 2016, 43 (4): 511- 520.
	Yang Hua , Niu Xiaobing , Xu Liming , et al. Exploration potential of shale oil in Chang7 Member, Upper Triassic Yanchang Formation, Ordos Basin, NW China[J]. Petroleum Exploration and Development, 2016, 43 (4): 511- 520.
33	张文正, 杨华, 杨伟伟, 等. 鄂尔多斯盆地延长组长7湖相页岩油地质特征评价[J]. 地球化学, 2015, 44 (5): 505- 515. doi: 10.3969/j.issn.0379-1726.2015.05.010
	Zhang Wenzheng , Yang Hua , Yang Weiwei , et al. Assessment of geological characteristics of lacustrine shale oil reservoir in Chang7 Member of Yanchang Formation, Ordos Basin[J]. Geochimica, 2015, 44 (5): 505- 515. doi: 10.3969/j.issn.0379-1726.2015.05.010
34	Mongenot T , Tribovillard N P , Desprairies A , et al. Trace elements as palaeoenvironmental markers in strongly mature hydrocarbon source rocks:the Cretaceous La Luna Formation of Venezuela[J]. Sedimentary Geology, 1996, 103 (103): 23- 37.
35	Algeo T J , Hinnov l , Moser J , et al. Changes in productivity and redox conditions in the Panthalassic Ocean during the latest Permian[J]. Geology, 2010, 38 (2): 187- 190.
36	Algeo T J , Maynard J B . Trace-element behavior and redox facies in core shales of Upper Pennsylvanian Kansas-type cyclothems[J]. Chemical Geology, 2004, 206 (3-4): 289- 318. doi: 10.1016/j.chemgeo.2003.12.009
37	Muller P J.Suess E . Productivity, sedimentation rate, and sedimentary organic matter in the oceans-Organic carbon preservation[J]. Deep Sea Research Part A.Oceanographic Research Papers, 1979, 26 (12): 1347- 1362. doi: 10.1016/0198-0149(79)90003-7
38	Liu K , Ostadhassan M . The impact of pore size distribution data prese-ntation format on pore structure interpretation of shales[J]. Advances in Geo-Energy Research, 2019, 3 (2): 187- 197. doi: 10.26804/ager.2019.02.08
39	Tribovillard N , Algeo T J , Lyons T , et al. Trace metals as paleoredox and paleoproductivity proxies:An update[J]. Chemical Geology, 2006, 232, 12- 32. doi: 10.1016/j.chemgeo.2006.02.012
40	Yang H , Zhang W Z , Wu K , et al. Uranium enrichment in lacustrine oil source rocks of the Chang 7 member of the Yanchang Formation, Erdos Basin, China[J]. Journal of Asian Earth Sciences, 2010, 39, 285- 29. doi: 10.1016/j.jseaes.2010.03.013
41	付金华, 李士祥, 徐黎明, 等. 鄂尔多斯盆地三叠系延长组长7段古沉积环境恢复及意义[J]. 石油勘探与开发, 2018, 45 (6): 936- 946.
	Fu Jinhua , Li Shixiang , Xu Liming , et al. Paleo-sedimentary environmental restoration and its significance of Chang 7 Member of Triassic Yanchang Formation in Ordos Basin, NW China[J]. Petroleum Exploration and Development, 2018, 45 (6): 936- 946.

层位	TOC/%		氯仿沥青“A”/%		(S₁+S₂)/(mg·g^-1)
层位	范围(样品个数)	均值	范围(样品个数)	均值	范围(样品个数)	均值
长7	0.19~35.85(703)	7.44	0.004~6.340(177)	0.670	0.06~94.02(203)	24.78
长7¹	0.28~25.60(149)	3.62	0.004~1.130(38)	0.310	0.42~51.11(42)	13.45
长7²	0.31~31.60(235)	5.02	0.024~1.500(52)	0.460	0.06~94.02(68)	14.95
长7³	0.19~35.85(319)	11.02	0.015~6.340(87)	0.860	0.71~80.66(93)	33.58

层位	长7³亚段	长7²亚段	长7¹亚段
还原S含量/%	5.40	2.13	1.05
V/(V+Ni)	0.84	0.79	0.75
V/Cr	6.10	2.07	1.69
U/Th	6.15	1.63	0.85
δCe	0.93	0.97	0.94
Ce_anom	-0.08	-0.05	-0.07
结论	强还原	强还原	还原

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Formation and accumulation mechanism of shale oil in the 7th member of Yanchang Formation, Ordos Basin

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