IGGCAS OpenIR  > 岩石圈演化国家重点实验室
The chemical kinetics of the semi-open hydrous pyrolysis system: Time series analysis of lithostatic pressure and fluid pressure
Zhang, Dongwei1,2,6; Wang, Lihui1,6; Su, Long1,2; Wu, Yuandong3; Sun, Rui4,5,6; Wu, Chenjun1,2; Song, Dongjun1,2,6; Tuo, Jincai1,2
2020-03-01
Source PublicationINTERNATIONAL JOURNAL OF COAL GEOLOGY
ISSN0166-5162
Volume220Pages:21
AbstractAs a problem that has plagued geochemists, the perspective of time has long been recognized as an important factor in organic matter evolution and hydrocarbon generation. This article discusses two time series analysis methods based on econometrics, damping trend and autoregressive integrated moving average (ARIMA), to mine the potential value of data and abstract useful information from pyrolysis experiments. The case studies use marine source rocks (depth of 3119-3230 m, in the LH29-2 well) from the Enping Formation in the Baiyun Sag, the deep-water area (depth of > 300 m) of the northern South China Sea, which has a geological background of high temperature, high pressure and rapid burial in the late stage. A tubular plug flow microreactor is used to artificially mature the source rock in the laboratory, and the conditions of hydrous pyrolysis are listed as follows: temperatures of 250 degrees C, 300 degrees C, 350 degrees C, 400 degrees C, 450 degrees C, and 500 degrees C; lithostatic pressure of 33 similar to 89 MPa; fluid pressure of 16 similar to 38 MPa; and time duration of 72 h. The results revealed that as the degree of maturation increased (Ro from 0.27 to 2.04), the cumulative yield of hydrocarbon gas increased rapidly (max = 311.64 ml/g.TOC), the yield of the expelled oil increased first and then decreased (peak = 350.69 mg/g.TOC at 350 degrees C), and the yield of residual oil extracted from residue decreased gradually. Although the kinetic parameters of kerogen can be calculated by conventional pyrolysis experiments, the long-term cumulative effect of episodic-hydrocarbon expulsion in real conditions is often neglected. The major contributions of our statistical approach for geological applications are described as follows: (1) the recognition of qualitative changes within hydrocarbon generation and expulsion; (2) the characterization of episodic-hydrocarbon expulsion that describes the evolution of the lithostatic pressure and fluid pressure; (3) the disclosure of new influencing factors abstracted from time series models to describe the frequency distribution of hydrocarbon expulsion; and (4) an evaluation of the dependency of new variables.
KeywordDeep-water area Microreactor Time series analysis Damping trend model ARIMA model
DOI10.1016/j.coal.2020.103418
Funding OrganizationNational Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation ; National Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation ; National Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation ; National Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation
WOS KeywordSOURCE ROCKS IMPLICATIONS ; ORGANIC-MATTER EVOLUTION ; RIVER MOUTH BASIN ; SOUTH CHINA SEA ; IN-SOURCE ROCKS ; HYDROCARBON GENERATION ; WATER-PRESSURE ; GAS GENERATION ; OIL GENERATION ; BAIYUN SAG
Language英语
Funding ProjectNational Petroleum Major Projects[2016ZX05026-007-005] ; National Natural Science Foundation of China[41672127] ; National Natural Science Foundation of China[41602151] ; Western Light Talent Culture Project of the Chinese Academy of Sciences[Y404RC1] ; Science and Technology Program of Gansu Province[1501RJYA006] ; Key Laboratory Project of Gansu Province[1309RTSA041] ; Beijing Research Institute of the China National Offshore Oil Corporation
Funding OrganizationNational Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation ; National Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation ; National Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation ; National Petroleum Major Projects ; National Petroleum Major Projects ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Western Light Talent Culture Project of the Chinese Academy of Sciences ; Science and Technology Program of Gansu Province ; Science and Technology Program of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Beijing Research Institute of the China National Offshore Oil Corporation ; Beijing Research Institute of the China National Offshore Oil Corporation
WOS Research AreaEnergy & Fuels ; Geology
WOS SubjectEnergy & Fuels ; Geosciences, Multidisciplinary
WOS IDWOS:000527281500011
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96236
Collection岩石圈演化国家重点实验室
Corresponding AuthorSu, Long
Affiliation1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, 382 Donggang West Rd, Lanzhou 730000, Peoples R China
2.Key Lab Petr Resources, Lanzhou 730000, Gansu, Peoples R China
3.Dongguan Univ Technol, Res Ctr Ecoenvironm Engn, Dongguan 523808, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
5.CNOOC Res Inst Co Ltd, Beijing 100028, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Dongwei,Wang, Lihui,Su, Long,et al. The chemical kinetics of the semi-open hydrous pyrolysis system: Time series analysis of lithostatic pressure and fluid pressure[J]. INTERNATIONAL JOURNAL OF COAL GEOLOGY,2020,220:21.
APA Zhang, Dongwei.,Wang, Lihui.,Su, Long.,Wu, Yuandong.,Sun, Rui.,...&Tuo, Jincai.(2020).The chemical kinetics of the semi-open hydrous pyrolysis system: Time series analysis of lithostatic pressure and fluid pressure.INTERNATIONAL JOURNAL OF COAL GEOLOGY,220,21.
MLA Zhang, Dongwei,et al."The chemical kinetics of the semi-open hydrous pyrolysis system: Time series analysis of lithostatic pressure and fluid pressure".INTERNATIONAL JOURNAL OF COAL GEOLOGY 220(2020):21.
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