渤海湾盆地沧东凹陷孔店组二段细粒沉积岩形成机理与环境演化

doi:10.11743/ogg20200414

Abstract

Abstract:

The development of unconventional oil and gas has triggered an upsurge of research in fine-grained sedimentary rocks.However, more research on the formation mechanism and depositional environment of lacustrine fine-grained sedimentary rocks is still needed.Through detailed description of core, thin section identification, X-ray diffraction analysis, automated mineral identification and characterization system (AMICS) and geochemical analysis, this paper establishes a classification scheme for lithofacies based on rock types and sedimentary structures.Fine-grained sedimentary rocks in the second member of the Kongdian Formation in the Cangdong Sag of Bohai Bay Basin was divided into five lithofacies: the laminated felsic fine-grained sedimentary rocks, massive mixed fine-grained sedimentary rocks, laminated mixed fine-grained sedimentary rocks, laminated dolomite and massive dolomite.The depositional environment and formation mechanism of each lithofacies type were analyzed.Four types of lithofacies assemblages were identified based on the superimposition patterns of different lithofacies.These assemblages vary in climate conditions, water body characteristics and terrigenous clastic input; and correspond to four depositional modes characterized respectively by intensive terrigenous sediment input, seasonal climate influence, semiarid seasonal influence, and prolonged arid.Analyses of the classification and geochemical indexes of the lithofacies assemblages show that the depositional environment in the second member of the Kongdian Formation can be divided into three stages from bottom to top: the seasonal climate stage from Ek²⁽⁴⁾ to Ek²⁽³⁾, the humid climate stage for Ek²⁽²⁾ and the arid-humid transitory stage for Ek²⁽¹⁾.

Key words: fine-grained sedimentary rock, lithofacies, formation mechanism, depositional environment, Cangdong Sag, Bohai Bay Basin

CLC Number:

TE122.2

Yuan Deng, Shiyue Chen, Xiugang Pu, Jihua Yan, Jia Chen. Formation mechanism and environmental evolution of fine-grained sedimentary rocks from the second member of Kongdian Formation in the Cangdong Sag, Bohai Bay Basin[J]. Oil & Gas Geology, 2020, 41(4): 811-823, 890.

Figures/Tables 11

Fig.1

Fig.2

Fig.3

Fig.4

Table 1

Fig.5

Fig.6

Fig.7

Table 2

Fig.8

Fig.9

References 40

1	Aplin A C , Macquaker J S H . Mudstone diversity:Origin and implications for source, seal, and reservoir properties in petroleum systems[J]. AAPG Bulletin, 2011, 95 (12): 2031- 2059. doi: 10.1306/03281110162
2	董大忠, 邹才能, 杨桦, 等. 中国页岩气勘探开发进展与发展前景[J]. 石油学报, 2012, 33 (A01): 107- 114.
	Dong Dazhong , Zou Caineng , Yang Hua , et al. Progress and prospects of shale gas exploration and development in China[J]. Acta Petrolei Sinica, 2012, 33 (A01): 107- 114.
3	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, 2013, 34 (6): 1031- 1039.
4	Lazar O R , Bohacks K M , Macquaker J H S , et al. Capturing key attributes of fine-grained sedimentary rocks in outcrops, cores, and thin sections:nomenclature and description guidelines[J]. Journal of Sedimentary Research, 2015, 85 (3): 230- 246. doi: 10.2110/jsr.2015.11
5	Loucks R G , Reed R M , Ruppel S C , et al. Morphology, genesis, and distribution of nanometer-scale pores in siliceous mudstones of the Mississippian Barnett Shale[J]. Journal of sedimentary research, 2009, 79 (12): 848- 861. doi: 10.2110/jsr.2009.092
6	Ibrahim M A A , Sarg J F , Hurley N , et al. Depositional environments and sequence stratigraphy of carbonate mudrocks using conventional geologic observations, multiscale electrofacies visualization, and geochemical analysis:The case of the Tuwaiq Mountain and Hanifa Formations in a basinal setting, Saudi Arabia[J]. AAPG Bulletin, 2017, 101 (5): 683- 714. doi: 10.1306/08051615221
7	聂海宽, 张金川, 包书景, 等. 四川盆地及其周缘上奥陶统-下志留统页岩气聚集条件[J]. 石油与天然气地质, 2012, 33 (3): 335- 345.
	Nie Haikuan , Zhang Jinchuan , Bao Shujing , et al. Shale gas accumulation conditions of the Upper Ordovician-Lower Silurian in Sichuan Basin and its periphery[J]. Oil & Gas Geology, 2012, 33 (3): 335- 345.
8	Abouelresh M O , Slatt R M . Lithofacies and sequence stratigraphy of the Barnett Shale in east-central Fort Worth Basin, Texas[J]. AAPG bulletin, 2012, 96 (1): 1- 22. doi: 10.1306/04261110116
9	何陈诚, 何生, 郭旭升, 等. 焦石坝区块五峰组与龙马溪组一段页岩有机孔隙结构差异性[J]. 石油与天然气地质, 2018, (3): 472- 484.
	He Chencheng , He Sheng , Guo Xusheng , et al. Structural differences in organic pores between shales of the Wufeng Formation and of the Longmaxi Formation's first Member, Jiaoshiba Block, Sichuan Basin[J]. Oil & Gas Geology, 2018, (3): 472- 484.
10	杨智, 侯连华, 陶士振, 等. 致密油与页岩油形成条件与"甜点区"评价[J]. 石油勘探与开发, 2015, 42 (5): 555- 565.
	Yang Zhi , Hou Lianhua , Tao Shizhen , et al. Formation conditions and "sweet spot" evaluation of tight oil and shale oil[J]. Petroleum Exploration and Development, 2015, 42 (5): 555- 565.
11	卢炳雄, 郑荣才, 梁西文, 等. 川东地区侏罗系自流井组大安寨段页岩气(油)储层评价[J]. 石油与天然气地质, 2015, 36 (3): 488- 496.
	Lu Bingxiong , Zheng Rongcai , Liang Xiwen , et al. Evaluation of reservoirs in the Da'anzhai member of the Jurassic Ziliujing Formation in Sichuan Basin[J]. Oil & Gas Geology, 2015, 36 (3): 488- 496.
12	张晨晨, 王玉满, 董大忠, 等. 四川盆地五峰组-龙马溪组页岩脆性评价与"甜点层"预测[J]. 天然气工业, 2016, 36 (9): 51- 59.
	Zhang Chenchen , Wang Yuman , Dong Dazhong , et al. Evaluation of the Wufeng-Longmaxi shale brittleness and prediction of "sweet spot layers" in the Sichuan Basin[J]. Natural Gas Industry, 2016, 36 (9): 51- 59.
13	姜在兴, 梁超, 吴靖, 等. 含油气细粒沉积岩研究的几个问题[J]. 石油学报, 2013, 34 (6): 1031- 1039.
	Jiang Zaixing , Liang Chao , Wu Jing , et al. Several issues in sedimentological studies on hydrocarbon-bearing fine-grained sedimentary rocks[J]. Acta Petrolei Sinica, 2014, 34 (6): 1031- 1039.
14	杨万芹, 王学军, 丁桔红, 等. 渤南洼陷细粒沉积岩岩相发育特征及控制因素[J]. 中国矿业大学学报, 2017, 46 (2): 365- 374.
	Yang Wanqin , Wang Xuejun , Ding Juhong , et al. Characteristics and control factors of fine-grained sedimentary rock lithofacies in Bonan subsag[J]. Journal of China University of Mining & Technology, 2017, 46 (2): 365- 374.
15	张顺, 王永诗, 刘惠民, 等. 渤海湾盆地东营凹陷细粒沉积微相对页岩油储层微观结构的控制作用[J]. 石油与天然气地质, 2016, 37 (6): 923- 934.
	Zhang Shun , Wang Yongshi , Liu Huimin , et al. Controlling effect of fine-grained sedimentary microfacies upon the microstructure of shale oil reservoirs in the Dongying Sag, Bohai Bay Basin[J]. Oil & Gas Geology, 2016, 37 (6): 923- 934.
16	任建业, 廖前进, 卢刚臣, 等. 黄骅坳陷构造变形格局与演化过程分析[J]. 大地构造与成矿学, 2010, 34 (4): 461- 472. doi: 10.3969/j.issn.1001-1552.2010.04.002
	Ren Jianye , Liao Qianjin , Lu Gangchen , et al. Deformation framework and evolution of the Huanghua Depression, Bohai Gulf[J]. Geotectonica et Metallogenia, 2010, 34 (4): 461- 472. doi: 10.3969/j.issn.1001-1552.2010.04.002
17	蒲秀刚, 周立宏, 韩文中, 等. 细粒相沉积地质特征与致密油勘探——以渤海湾盆地沧东凹陷孔店组二段为例[J]. 石油勘探与开发, 2016, 43 (1): 24- 33.
	Pu Xiugang , Zhou Lihong , Han Wenzhong , et al. Geologic features of fine-grained facies sedimentation and tight oil exploration:A case from the second Member of Paleogene Kongdian Formation of Cangdong sag, Bohai Bay Basin[J]. Petroleum Exploration and Development, 2016, 43 (1): 24- 33.
18	鄢继华, 蒲秀刚, 周立宏, 等. 基于X射线衍射数据的细粒沉积岩岩石定名方法与应用[J]. 中国石油勘探, 2015, 20 (1): 48- 54. doi: 10.3969/j.issn.1672-7703.2015.01.005
	Yan Jihua , Pu Xiugang , Zhou Lihong , et al. Naming method of fine-grained sedimentary rocks on basis of X-ray diffraction data[J]. China Petroleum Exploration, 2015, 20 (1): 48- 54. doi: 10.3969/j.issn.1672-7703.2015.01.005
19	张少敏, 操应长, 朱如凯, 等. 雅布赖盆地小湖次凹细粒沉积岩岩相特征与沉积环境探讨[J]. 天然气地球科学, 2016, 27 (2): 309- 319.
	Zhang Shaomin , Cao Yingchang , Zhu Rukai , et al. The lithofacies and depositional environment of fine-grained sedimentary rocks of Xiaohu Subsag in Yabulai Basin[J]. Natural Gas Geoscience, 2016, 27 (2): 309- 319.
20	Loucks R G , Ruppel S C . Mississippian Barnett Shale:Lithofacies and depositional setting of a deep-water shale-gas succession in the Fort Worth Basin, Texas[J]. AAPG bulletin, 2007, 91 (4): 579- 601. doi: 10.1306/11020606059
21	Hickey J J , Bo H . Lithofacies summary of the Mississippian Barnett Shale, Mitchell 2 T.P.Sims well, Wise County, Texas[J]. AAPG Bulletin, 2007, 91 (4): 437- 443. doi: 10.1306/12040606053
22	Wang G , Carr T R . Organic-rich Marcellus Shale lithofacies modeling and distribution pattern analysis in the Appalachian Basin[J]. AAPG bulletin, 2013, 97 (12): 2173- 2205. doi: 10.1306/05141312135
23	赵建华, 金之钧, 金振奎, 等. 四川盆地五峰组-龙马溪组页岩岩相类型与沉积环境[J]. 石油学报, 2016, 37 (5): 572- 586.
	Zhao Jianhua , Jin Zhijun , Jin Zhenkui , et al. Lithofacies types and depositional environment of shale in Wufeng-Longmaxi Formation, Sichuan Basin[J]. Acta Petrolei Sinica, 2016, 37 (5): 572- 586.
24	温利刚, 曾普胜, 詹秀春, 等. 矿物表征自动定量分析系统(AMICS)技术在稀土稀有矿物鉴定中的应用[J]. 岩矿测试, 2018, 37 (2): 121- 129.
	Wen Ligang , Zeng Pusheng , Zhan Xiuchun , et al. Application of the automated mineral identification and characterization system (AMICS) in the identification of rare earth and rare minerals[J]. Rock and Mineral Analysis, 2018, 37 (2): 121- 129.
25	王冠民. 济阳坳陷古近系页岩的纹层组合及成因分类[J]. 吉林大学学报:地球科学版, 2012, 42 (3): 666- 671.
	Wang Guanmin . Laminae combination and genetic classification of Eogene shale in Jiyang Depression[J]. Journal of Jilin University (Earth Science Edition), 2012, 42 (3): 666- 671.
26	Liang C , Jiang Z , Cao Y , et al. Deep-water depositional mechanisms and significance for unconventional hydrocarbon exploration:A case study from the lower Silurian Longmaxi shale in the southeastern Sichuan Basin[J]. AAPG Bulletin, 2016, 100 (5): 773- 794. doi: 10.1306/02031615002
27	Schieber J , Southard J B , Kissling P , et al. Experimental deposition of carbonate mud from moving suspensions:importance of flocculation and implications for modern and ancient carbonate mud deposition[J]. Journal of Sedimentary Research, 2013, 83 (11): 1025- 1031. doi: 10.2110/jsr.2013.77
28	袁静, 梁绘媛, 梁兵, 等. 湖相重力流沉积特征及发育模式——以苏北盆地高邮凹陷深凹带戴南组为例[J]. 石油学报, 2016, 37 (3): 348- 359.
	Yuan Jing , Liang Huiyuan , Liang Bing , et al. Sedimentary characteristics and development model of lacustrine gravity flow:a case study of Dainan Formation in deep sag belt of Gaoyou Depression, Northern Jiangsu Basin[J]. Acta Petrolei Sinica, 2016, 37 (3): 348- 359.
29	郑一丁, 雷裕红, 张立强, 等. 鄂尔多斯盆地东南部张家滩页岩元素地球化学、古沉积环境演化特征及油气地质意义[J]. 天然气地球科学, 2015, 26 (7): 1395- 1404.
	Zheng Yiding , Lei Yuhong , Zhang Liqiang , et al. Characteristics of element geochemistry and paleo depositional environment evolution of Zhangjiatan shale in the southeast of Ordos Basin and its geological significance for oil and gas[J]. Natural Gas Geoscience, 2015, 26 (7): 1395- 1404.
30	王淑芳, 董大忠, 王玉满, 等. 四川盆地南部志留系龙马溪组富有机质页岩沉积环境的元素地球化学判别指标[J]. 海相油气地质, 2014, 19 (3): 27- 34. doi: 10.3969/j.issn.1672-9854.2014.03.004
	Wang Shufang , Dong Dazhong , Wang Yuman , et al. Geochemistry evaluation index of redox-sensitive elements for depositional environments of Silurian Longmaxi organic-rich shale in the south of Sichuan Basin[J]. Marine Origin Petroleum Geology, 2014, 19 (3): 27- 34. doi: 10.3969/j.issn.1672-9854.2014.03.004
31	陈中红, 查明, 金强. 东营凹陷古近系中深层湖盆演化中的无机元素响应[J]. 沉积学报, 2008, 26 (6): 925- 932.
	Chen Zhonghong , Zha Ming , Jin Qiang . Mineral elemental response to the evolution of terrestrial brine faulted-basin:A case study in the Pleogene of well Haoke-1, Dongying Sag[J]. Acta Sedmentologica Sinica, 2008, 26 (6): 925- 932.
32	潘树新, 陈彬滔, 刘华清, 等. 陆相湖盆深水底流改造砂:沉积特征、成因及其非常规油气勘探意义[J]. 天然气地球科学, 2014, 25 (10): 1577- 1585. doi: 10.11764/j.issn.1672-1926.2014.10.1577
	Pan Shuxin , Chen Bintao , Liu Huaqing , et al. Deepwater bottom current rework sand(BCRS) in lacustrine basins:sedimentary characteristics, identification criterion, formation mechanism and its significance for unconventional oil/gas exploration[J]. Natural Gas Geoscience, 2014, 25 (10): 1577- 1585. doi: 10.11764/j.issn.1672-1926.2014.10.1577
33	邓宏文, 钱凯. 深湖相泥岩的成因类型和组合演化[J]. 沉积学报, 1990, 8 (3): 1- 20.
	Deng Hongwen , Qian Kai . The genetic types and association evolution of deep lacustrine facies mudstones[J]. Acta Sedmentologica Sinica, 1990, 8 (3): 1- 20.
34	Yang T , Cao Y , Wang Y , et al. Status and Trends in Research on Deep-Water Gravity Flow Deposits[J]. Acta Geologica Sinica(English Edition), 2015, 89 (2): 610- 631. doi: 10.1111/1755-6724.12451
35	Zolitschka B , Francus P , Ojala A E K , et al. Varves in lake sediments-a review[J]. Quaternary Science Reviews, 2015, 117, 1- 41. doi: 10.1016/j.quascirev.2015.03.019
36	陈世悦, 张顺, 刘惠民, 等. 湖相深水细粒物质的混合沉积作用探讨[J]. 古地理学报, 2017, 19 (2): 271- 284.
	Chen Shiyue , Zhang Shun , Liu Huimin , et al. Discussion on mixing of fine-grained sediments in lacustrine deep water[J]. Journal of Palaeogeography, 2017, 19 (2): 271- 284.
37	朱光有, 金强, 张水昌, 等. 济阳坳陷东营凹陷古近系沙河街组深湖相油页岩的特征及成因[J]. 古地理学报, 2005, 7 (1): 59- 69. doi: 10.3969/j.issn.1671-1505.2005.01.006
	Zhu Guangyou , Jin Qiang , Zhang Shuichang , et al. Characteristics and origin of deep lake oil shale of the Shahejie Formation of Paleogene in Dongying Sag, Jiyang Depression[J]. Journal of Palaeogeography, 2005, 7 (1): 59- 69. doi: 10.3969/j.issn.1671-1505.2005.01.006
38	马义权, 杜学斌, 刘惠民, 等. 东营凹陷沙四上亚段陆相页岩岩相特征、成因及演化[J]. 地球科学-中国地质大学学报, 2017, 42 (7): 1195- 1208.
	Ma Yiquan , Du Xuebin , Liu Xuebin , et al. Characteristics, depositional processes, and evolution of shale lithofaceis of the upper submember of Es⁴ in the Dongying Depression[J]. Earth Science, 2017, 42 (7): 1195- 1208.
39	吴靖, 姜在兴, 潘悦文, 等. 湖相细粒沉积模式——以东营凹陷古近系沙河街组四段上亚段为例[J]. 石油学报, 2016, 37 (9): 1080- 1089.
	Wu Jing , Jiang Zaixing , Pan Yuewen , et al. Lacustrine fine-grained depositional model:a case study of the upper submember of the fourth Member of Paleogene Shahejie Formation in Dongying Sag[J]. Acta Petrolei Sinica, 2016, 37 (9): 1080- 1089.
40	鄢继华, 邓远, 蒲秀刚, 等. 渤海湾盆地沧东凹陷孔二段细粒混合沉积岩特征及控制因素[J]. 石油与天然气地质, 2017, 38 (1): 98- 109.
	Yan Jihua , Deng Yuan , Pu Xiugang , et al. Characteristics and controlling factors of fine-grained mixed sedimentary rocks from the 2^nd Member of Kongdian Formation in the Cangdong Sag, Bohai Bay Basin[J]. Oil & Gas Geology, 2017, 38 (1): 98- 109.

岩相大类	岩相类型	识别标志
细粒长英沉积岩相	层状细粒长英沉积岩相	灰色-灰白色,发育长英质层或条带
细粒混积岩相	块状细粒混积岩相	灰色,均匀块状,易于破碎,断面呈蛛网状
细粒混积岩相	纹层状细粒混积岩相	深灰色-灰黑色,纹层清晰、细密平直,纹层间发育层理缝
碳酸盐岩相	纹层状白云岩相	灰褐色-褐色,纹层发育,亮暗纹层相间
碳酸盐岩相	块状白云岩相	褐色,均匀块状或透镜状,常见成岩收缩缝

岩相类型	Rb/Sr	Sr/Ba	δU	TOC/%
层状细粒长英沉积岩相	0.21	0.60	0.87	2.08
块状细粒混积岩相	0.17	0.92	0.97	0.96
纹层状细粒混积岩相	0.14	1.01	1.15	5.29
纹层状白云岩相	0.06	1.62	1.33	2.21
块状白云岩相	0.04	1.83	1.11	1.27

[1]	Hongyan Wang, Zhensheng Shi, Shasha Sun, Leifu Zhang. Characterization and genesis of deep shale reservoirs in the first Member of the Silurian Longmaxi Formation in southern Sichuan Basin and its periphery [J]. Oil & Gas Geology, 2021, 42(1): 66-75.
[2]	Cheng Shen, Lan Ren, Jinzhou Zhao, Mingpei Chen. Division of shale lithofacies associations and their impact on fracture network formation in the Silurian Longmaxi Formation, Sichuan Basin [J]. Oil & Gas Geology, 2021, 42(1): 98-106, 123.
[3]	Yong'an Xue, Qi Wang, Chengmin Niu, Quanyun Miao, Mengxing Liu, Jie Yin. Hydrocarbon charging and accumulation of BZ 19-6 gas condensate field in deep buried hills of Bozhong Depression, Bohai Sea [J]. Oil & Gas Geology, 2020, 41(5): 891-902.
[4]	Anwen Hu, Deying Wang, Haibo Yu, Tao Jiang, Zhe Sun. Genesis of natural gas and genetic relationship between the gas and associated condensate in Bozhong 19-6 gas condensate field, Bohai Bay Basin [J]. Oil & Gas Geology, 2020, 41(5): 903-912, 984.
[5]	Hua Liu, Jun Li, Yuelin Feng, Xuefeng Hao, Hongmei Lin, Feifei Yuan. Relationship between excess pressure gradient and hydrocarbon distribution in the 3rd member of Shahejie Formation in Bonan Sag, Bohai Bay Basin [J]. Oil & Gas Geology, 2020, 41(5): 1083-1091.
[6]	Xunyu Cai, Guiqiang Qiu, Dongsheng Sun, Hongquan Zhu, Wei Wang, Zhiping Zeng. Types and characteristics of tight sandstone sweet spots in large basins of central-western China [J]. Oil & Gas Geology, 2020, 41(4): 684-695.
[7]	Longlong Guo, Hongde Cheng, Xiaobo Huang, Jun Wang, Chong Feng. Quantitative analysis on pore evolution in feldspar-rich coarse clastic sandstone: A case study of Es² in the north part of Liaodong uplift [J]. Oil & Gas Geology, 2020, 41(4): 874-883.
[8]	Wang Zhaosheng, Dong Shaoqun, Meng Ningning, Liu Daojie, Gao Wei. Fracture network in the low-permeability fault block reservoirs in deep-buried Gaoshangpu oilfield,Bohai Bay Basin,and its controlling factors [J]. Oil & Gas Geology, 2020, 41(3): 534-542,626.
[9]	Youlu Jiang, Shengmin Su, Hua Liu, Yongshi Wang, Xiaojun Cui. Differential hydrocarbon enrichment of the Paleogene and its main controlling factors in the Bohai Bay Basin [J]. Oil & Gas Geology, 2020, 41(2): 248-258.
[10]	Haifeng Yang, Changgui Xu, Chengmin Niu, Geng Qian, Zhengyu Li, Yanfei Gao, Zhen Huang. Quantitative evaluation of hydrocarbon accumulation pattern and the controlling factors in the Neogene of Huanghekou Sag, Bohai Bay Basin [J]. Oil & Gas Geology, 2020, 41(2): 259-269.
[11]	Zhenhuan Shen, Bingsong Yu, Chenyang Bai, Shujun Han, Zhihui Yang, Zhibin Fei. The impact of thermodynamics and kinetics of feldspar dissolution-precipitation on reservoir quality: A case study from the Es³, Bonan Sag, Bohai Bay Basin [J]. Oil & Gas Geology, 2020, 41(2): 270-283.
[12]	Shi Juye, Jin Zhijun, Liu Quanyou, Huang Zhenkai, Zhang Rui. Quantitative classification of high-frequency sequences in fine-grained lacustrine sedimentary rocks based on Milankovitch theory [J]. Oil & Gas Geology, 2019, 40(6): 1205-1214.
[13]	Zhang Pengfei, Lu Shuangfang, Li Junqian, Xue Haitao, Li Wenbiao, Zhang Yu, Wang Siyuan, Feng Wenjun. Identification method of sweet spot zone in lacustrine shale oil reservoir and its application: A case study of the Shahejie Formation in Dongying Sag,Bohai Bay Basin [J]. Oil & Gas Geology, 2019, 40(6): 1339-1350.
[14]	Fu Hongjun, Jiang Hongfu, Wang Yunzeng, Li Ang, Fu Guang, Hu Huiting, Fan Zili. Improvement and application of the method for quantifying lateral transport capacity of fault-sandstone configuration [J]. Oil & Gas Geology, 2019, 40(5): 1048-1055.
[15]	Wang Yuhan, Ding Weiming, Liu Xuan, Wei Ren, Dong Lin. Lithofacies and causal mechanism of organic matter enrichment in the lower submember of the 3rd member of Shahejie Formation, Bonan Sag,Bohai Bay Basin [J]. Oil & Gas Geology, 2019, 40(5): 1106-1114.

Formation mechanism and environmental evolution of fine-grained sedimentary rocks from the second member of Kongdian Formation in the Cangdong Sag, Bohai Bay Basin

RichHTML

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 11

References 40

Related Articles 15

Recommended Articles

Metrics