Paleoenvironment and chemostratigraphy heterogenity of the Cretaceous organic-rich shales
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Abstract
The Cretaceous Qingshankou Formation in the Songliao Basin is rich in shale oil resources, which has become one of the most important exploration targets of lacustrine shale oil in China. Based on X-ray fluorescence element analysis, X-ray diffraction analysis, total organic carbon, rock pyrolysis, scanning electron microscope and nitrogen adsorption, the Paleoenvironment was reconstructed by comprehensive utilization of integrated prediction error filter analysis of chemical stratigraphy, and its relationship with organic geochemistry, mineralogy and pore structure was discussed. The results indicated that the Qingshankou Formation was deposited in the environment with fresh water-brackish water, semi-deep/deep water and strong reduction. The evolution of Paleoenvironment during the deposition of Qingshankou Formation changed from bottom to top, with increasing water depth, decreasing salinity and oxygen content. Paleosalinity was positively correlated with total organic carbon, residual hydrocarbon and carbonate mineral content. From bottom to top, the contents of carbonate and chlorite decreased, while the contents of plagioclase and clay minerals increased slightly. The pores were dominated by intra-illite pores, intra-I/S mixed-layer pores and intra-pyrite pores. Some intra-plagioclase pores and calcite dissolution pores were developed, and the organic matter pores are slightly few. Nitrogen adsorption data showed that the dominate pore size was 40-53 nm. This study clarifies the Paleoenvironmental evolution of the Qingshankou Formation, and may shed lights on lacustrine shale oil accumulation and sweet-spotting.
Cited as: Guan, M., Wu, S., Hou, L., Jiang, X., Ba, D., Hua, G. Paleoenvironment and chemostratigraphy heterogenity of the Cretaceous organic-rich shales. Advances in Geo-Energy Research, 2021, 5(4): 444-455, doi: 10.46690/ager.2021.04.09
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Attar, A. E., Pranter, M. J. Regional stratigraphy, elemental chemostratigraphy, and organic richness of the Niobrara Member of the Mancos Shale, Piceance Basin, Colorado. AAPG Bulletin, 2016, 100(3): 345-377.
Bohacs, K. M., Carroll, A. R., Neal, J. E., et al. Lake-basin type, source potential, and hydrocarbon character: An integrated sequence-stratigraphic geochemical framework (in lake basins through space and time). AAPG Studies in Geology, 2000, 46: 3-34.
Dean, W. E., Gardner, J. V., Piper, D. Z., et al. Inorganic geochemical indicators of glacialinterglacial changes in productivity and anoxia on the California continental margin. Geochimica et Cosmochimica Acta, 1997, 61: 4507-4518.
Dill, H., Teschner, M., Wehner, H., et al. Petrography, inorganic and organic geochemistry of Lower Permian carbonaceous fan sequences (“Brand-schiefer Series”)-Federal Republic of Germany: Constraints to their palaeogeography and assessment of their source rock potential. Chemical Geology, 1988, 67(3-4): 307-325.
Feng, Q., Xu, S., Xing, X., et al. Advances and challenges in shale oil development: A critical review. Advances in Geo-Energy Research, 2020, 4(4): 406-418.
Feng, Z., Huo, Q., Wang, X., et al. Organic geochemical characteristics and paleosedimentary environments of the source rocks in member 1 of Qingshankou Formation. Petroleum Geology & Oilfield Development in Daqing, 2015, 34(4): 2-7. (in Chinese)
Fu, J., Niu, X., Dan, W., et al. The geological characteristics and the progress on exploration and development of shale oil in Chang7 Member of Mesozoic Yanchang Formation, Ordos Basin. China Petroleum Exploration, 2019, 24(5): 601-614. (in Chinese)
Gallego, T. D., Martinez, R. F., Paytan, A., et al. Pliocene-Holocene evolution of depositional conditions in the eastern Mediterranean: Role of anoxia vs. productivity at time of sapropel deposition. Palaeogeography Palaeocli-matology Palaeoecology, 2007, 246: 424-439.
Gao, R. Characteristics of petroleum generation and expulsion in abnormal pressure shale zones and the formation of fractured shale reservoirs. Petroleum Geology & Oilfield Development in Daqing, 1984, 3(1): 160-167.
(in Chinese) He, W., Meng, Q., Zhang, J., et al. Controlling factors and their classification-evaluation of Gulong shale oil enrichment in Songliao Basin. Petroleum Geology & Oilfield Development in Daqing, 2021, 40(5): 1-12. (in Chinses) Hou, L., Ma, W., Luo, X., et al. Characteristics and quantitative models for hydrocarbon generation-retention-production of shale under ICP conditions: Example from the Chang 7 member in the Ordos Basin. Fuel, 2020, 279: 118497.
Hou, L., Ma, W., Luo, X., et al. Hydrocarbon generation-retention-expulsion mechanism and shale oil producibility of the permian lucaogou shale in the Junggar Basin as simulated by semi-open pyrolysis experiments. Marine and Petroleum Geology, 2021, 125: 104880.
Jones, B., Manning, D. A. C. Comparison of geochemical indices used for the interpretation of palaeoredox conditions in ancient mudstones. Chemical Geology, 1994, 111(1-4): 111-129.
Katz, B., Lin, F. Lacustrine basin unconventional resource plays: Key differences. Marine and Petroleum Geology, 2014, 56(3): 255-265.
Koch, J. T., Frank, T. D., Bulling, T. P., et al. Stable-isotope chemostratigraphy as a tool to correlate complex Mississippian marine carbonate facies of the Anadarko shelf, Oklahoma and Kansas. AAPG Bulletin, 2014, 98(6): 1071-1090.
Lee, C. Controls on organic carbon preservation: The use of stratified water bodies to compare intrinsic rates of decomposition in oxic and anoxic systems. Geochimica et Cosmochimica Acta, 1992, 56(8): 3323-3335.
Li, K., Kong, S., Xia, P., et al. Microstructural characterization of organic matter pores in coal-measure shale. Advances in Geo-Energy Research, 2020, 4(4): 372-391.
Liu, B., Shi, J., Fu, X., et al. Petrological characteristics and shale oil enrichment of lacustrine fine-grained sedimentary system: A case study of organic-rich shale in first member of Cretaceous Qingshankou Formation in Gulong Sag, Songliao Basin, NE China. Petroleum Exploration and Development, 2018, 45(5): 884-894.
Loucks, R. G., Reed, R. M., Ruppel, S. C., et al. Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores. AAPG Bulletin, 2012, 96(6): 1071-1098.
Mazzullo, S. J., Harris, P. M. Mesogenetic dissolution: Its role in porosity development in carbonate reservoir. AAPG Bulletin, 1992, 76(5): 607-620.
Meyers, P. A., Ishiwatari, R. Organic matter accumulation records in lake sediments, in Physics and Chemistry of Lakes, edited by A. Lerman., D. M. Imboden, J. R. Gat, Springer, Berlin, Heidelberg, pp. 279-328, 1995.
Nicolas, T., Thomas, J. A., Timothy, L., et al. Trace metals as palaeoredox and palaeoproductivity proxies: An update. Chemical Geology, 2006, 232(1-2): 12-32.
Nio, S. D., Brouwer, J., Smith, D., et al. Spectral trend attributeanalysis: Applications in the stratigraphic analysis of wireline logs. First Break, 2005, 23(4): 71-75.
Perlmutter, M. A., Matthews, M. D. Global cyclostratigraphy: A model, in Quantitative Dynamic Stratigraphy, edited by T. A. Cross, Prentice Hall, Englewood Cliffs, New Jersey, pp. 233-260, 1990.
Peters, K. E., Wright, T. L., Ramos, L. S., et al. Chemometric recognition of genetically distinct oil families in the Los Angeles basin, California. AAPG Bulletin, 2016, 100(1): 115-135.
Ratcliffe, K. T., Wilson, A., Payenberg, T., et al. Ground truthing chemostratigraphic correlations in fluvial systems. AAPG Bulletin, 2015, 99(1): 155-180.
Rowe, H., Hughes, N., Robinson, K., et al. The quantification and application of handheld energy-dispersive X-ray fluorescence (ED-ERF) in mudrock chemostratigraphy and geochemistry. Chemical Geology, 2011, 12(23): 122-131.
Roy, D. K., Roser, B. P. Climate control on the composition of Carboniferous-Permian Gondwana sediments, Khalaspir basin, Bangladesh. Gondwana Research, 2013, 23(3): 1163-1171.
Sonnenberg, S. A., Pramudito, A. Petroleum Geology of the giant elm coulee field, Williston Basin. AAPG Bulletin, 2009, 93(9): 1127-1153.
Sun, L., Liu, H., He, W., et al. An analysis of major scientific problems and research paths of Gulong shale oil in Daqing Oilfield, NE China. Petroleum Exploration and Development, 2021, 48(3): 453-463. (in Chinese)
Talbot, M. R., Kelt, K. Palaeoclimnological signatures from carbon and oxygen isotopic ratios in carbonates from organic carbon-rich lacustrine sediments. AAPG Memoir, 1990, 50(6): 99-112.
Tyson, R. V. The “productivity versus preservation” controversy: Cause, flaws and resolution, in The Deposition of Organic-carbon-rich Sediments: Models, Mechanisms, and Consequences, edited by N. B. Harris, SEPM Special Publication, pp. 17-33, 2005.
Walls, J. D., Diaz, E., Derzhi, N., et al. Eagle Ford shale reservoir properties from digital rock physics. First Break, 2011, 29(6): 97-100.
Wang, C., Feng, Z., Wu, H., et al. Preliminary achievement of the Chinese cretaceous continental scientific drilling project-SK-I. Acta Geologica Sinica, 2008, 82(1): 10-20.
(in Chinese) Wu, L., Zhang, Z., Li, B., et al. Rock pyrolysis analysis, GB/T 18602-2001, 2001. (in Chinese)
Wu, S., Zhu, R., Cui, J., et al. Characteristics of lacustrine shale porosity evolution, Triassic Chang 7 Member, Ordos Basin, NW China. Petroleum Exploration and Development, 2015, 42(2): 185-195.
Wu, S., Zhu, R., Yang, Z., et al. Distribution and characteristics of lacustrine tight oil reservoirs in China. Journal of Asian Earth Sciences, 2019, 178: 20-36.
Xu, G., Gao, Y., Dong, S., et al. Determination of total organic carbon in sedimentary rocks, GB/T 19145-2003, 2003.
(in Chinese) Zeng, L., Wang, L., Xu, H., et al. Analysis method for clay minerals and ordinary non-clay minerals in sedimentary rocks by the X-ray diffraction, SY/T 5163-2010, 2010.
(in Chinese) Zhang, S., Cao, Y., Liu, K., et al. Characterization of lacustrine mixed fine-grained sedimentary rocks using coupled chemostratigraphic-petrographic analysis: A case study from a tight oil reservoir in the Jimusar Sag, Junggar Basin. Marine and Petroleum Geology, 2019, 99: 453-472.
Zhao, X., Zhou, L., Pu, X., et al. Geological characteristics of shale rock system and shale oil exploration breakthrough in a lacustrine basin: A case study from the Paleogene 1st sub-member of Kong 2 Member in Cangdong sag, Bohai Bay Basin, China. Petroleum Exploration and Development, 2018, 45(3): 377-388.
Zhao, Z., Littke R., Zieger, L., et al. Depositional environment, thermal maturity and shale oil potential of the Cretaceous Qingshankou Formation in the eastern Changling Sag, Songliao Basin, China: An integrated organic and inorganic geochemistry approach. International Journal of Coal Geology, 2020, 232: 103621.
Zhi, D., Tang, Y., Deng, M., et al. Geological characteristics and accumulation controlling factors of shale reservoirs in Fengcheng Formation, Mahu sag, Junggar Basin. China Petroleum Exploration, 2019, 40(3): 524-534. (in Chinese)
Zhu, R., Zou, C., Wu, S., et al. Mechanism for generation and accumulation of continental tight oil in China. Oil & Gas Geology, 2019, 40(6): 1168-1184. (in Chinese)
Zou, C., Pan, S., Jing, Z., et al. Shale oil and gas revolution and its impact. Acta Petrolei Sinica, 2020, 41(1): 1-12. (in Chinese)
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