2020 Vol. 26, No. 1

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2020, 26(1): .
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2020, 26(1): .
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Inside Cover
2020, 26(1): 封二-封三.
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Core-mantle-type extensional mode and dynamic mechanism of the magmatic metallogenic explosion of the Yanshanian in the Cathaysian metallogenic province
YANG Minggui, WANG Guanghui
2020, 26(1): 1-12. doi: 10.12090/j.issn.1006-6616.2020.26.01.001
Abstract (432) HTML (382) PDF (14506KB)(51) [Cited by] (9)
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The Cathaysian metallogenic province in the southeastern China is the most important multi-metal and non-metal metallogenic province with W, Sn and precious metals along the marginal-Pacific metallogenic megaprovince. The geological investigation results and the isotopic dating data show that the ma...
The types, characteristics and mechanism of seismic migration
ZHAO Genmo, WU Zhonghai, LIU Jie
2020, 26(1): 13-32. doi: 10.12090/j.issn.1006-6616.2020.26.01.002
Abstract (995) HTML (277) PDF (17759KB)(78) [Cited by] (19)
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The migration of seismicity refers to the sequential occurrence of earthquakes in a certain direction, which is the ordered structure in the local area in the overall disorder of seismicity. Through the systematic analysis of the typical seismic migration phenomena in the region, it can be found tha...
Analysis on the application prospect of ASR in-situ stress measurement method in underground mine
SUN Dongsheng, CHEN Qunce, ZHANG Yanqing
2020, 26(1): 33-38. doi: 10.12090/j.issn.1006-6616.2020.26.01.003
Abstract (399) HTML (126) PDF (3850KB)(24) [Cited by] (14)
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Present in-situ stress state is an important data for the underground construction, tunnel stability analysis and rock burst (coal and gas burst) prediction in underground mine. At present, in-situ stress measurement in underground mine is mainly based on hollow inclusion gauge method. In practice, ...
Width of stress disturbed zone near fault and its influencing factors
WENG Jianqiao, ZENG Lianbo, LYU Wenya, LIU Qi, ZU Kewei
2020, 26(1): 39-47. doi: 10.12090/j.issn.1006-6616.2020.26.01.004
Abstract (715) HTML (125) PDF (3232KB)(95) [Cited by] (53)
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3D normal fault models in a triaxial crustal stress state were established in finite element simulation software to study the characteristics of in-situ stress in the fault developed areas. Simulated data show that the disturbed zones of in-situ stress widely exist in the surrounding rocks due to th...
Tectonic stress field research on the Ordovician reservoirs in the Tahe Oilfield
LIU Jiageng, LI Jing, SU Yuliang, FAN Zuosong, LIU Xuliang, GUO Hao
2020, 26(1): 48-54. doi: 10.12090/j.issn.1006-6616.2020.26.01.005
Abstract (424) HTML (96) PDF (8969KB)(35) [Cited by] (8)
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The distribution characteristics of tectonic stress field in carbonate reservoir are of great significance to the study on oil and gas migration law, reasonable arrangement of injection-production pattern, reservoir transformation, etc. In this paper, starting with the geological tectonic evolution ...
Investigation on fracture propagation in fractured-cavity reservoirs based on FEMM-fracflow modelling
WANG Hui, LIU Quansheng
2020, 26(1): 55-64. doi: 10.12090/j.issn.1006-6616.2020.26.01.006
Abstract (367) HTML (125) PDF (4916KB)(17) [Cited by] (7)
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The propagation path of hydraulic fractures is critical to oil recovery in fractured-cavity reservoirs. Based on Hybrid Finite-element and Mesh-free Method-Fracflow (FEMM-Fracflow) numerical simulation platform, this paper explores the influence of natural caves, in-situ stress and injection velocit...
Fluid potential characteristics of Carboniferous and the division of hydrocarbon migration and accumulation units in the eastern depression of the Bayanhaote Basin
XUE Mingwang, ZHANG Tan, DING Wenlong, JIAO Baocheng, ZHOU Zhicheng, DU Xiaoyu
2020, 26(1): 65-73. doi: 10.12090/j.issn.1006-6616.2020.26.01.007
Abstract (303) HTML (142) PDF (6231KB)(15) [Cited by] (5)
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The Bayanhaote Basin is the focus of hydrocarbon exploration, but its fluid potential characteristics and hydrocarbon migration and accumulation units have not been studied, which limits the optimization of regional hydrocarbon accumulation research and exploration objectives. This paper discusses t...
Stress field simulation and fracture development prediction of the Wufeng Formation-Longmaxi Formation in the Fushun-Yongchuan Block, Sichuan Basin
REN Haolin, LIU Chenglin, LIU Wenping, YANG Xiya, LI Wenyan
2020, 26(1): 74-83. doi: 10.12090/j.issn.1006-6616.2020.26.01.008
Abstract (512) HTML (164) PDF (7168KB)(58) [Cited by] (14)
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The tectonic fractures in rocks are mainly controlled by the regional tectonic stress field where the strata are located. Tectonic stress plays an important role in the migration, accumulation and distribution of oil and gas. The stress field of the Wufeng Formation-Longmaxi Formation in the Fushun-...
Application of basin simulation technology on the assessment of hydrocarbon resources potential of the Lunpola Basin in Tibet
WANG Rui, WU Xinhe, XIA Xianghua, LI Yinglie, CAO jie
2020, 26(1): 84-95. doi: 10.12090/j.issn.1006-6616.2020.26.01.009
Abstract (419) HTML (69) PDF (21335KB)(16) [Cited by] (6)
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The Lunpola Basin is the only petroliferous basin in Tibet that has obtained industrial oil flows. Due to the complicated geologic conditions and the oil is relatively thick, the progress of its oil-gas exploration is slow. In order to analyze the potentiality of hydrocarbon resources and effectivel...
Study on pore structure characteristics of tight sandstone in Block 4 of the central Junggar Basin
LIU Huimin, WANG Xuejun, DU Zhenjing, TANG Dong, LI Jing, WANG Hao
2020, 26(1): 96-105. doi: 10.12090/j.issn.1006-6616.2020.26.01.010
Abstract (556) HTML (125) PDF (8583KB)(17) [Cited by] (10)
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The pore structure of tight sandstone is the major factor affecting physical property, performance and seepage characteristics of reservoir. The accurate characterization of rock pore structure is one of the important contents of reservoir evaluation. Therefore, the pore structure characteristics of...
Study on the influence of valley topographic parameter on the moving distance of landslide
FAN Xiaoyi, ZHANG Ruixiao, HU Xiaobo
2020, 26(1): 106-114. doi: 10.12090/j.issn.1006-6616.2020.26.01.011
Abstract (478) HTML (232) PDF (4221KB)(34) [Cited by] (19)
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The valley topography, located on the landslide motion path, can restrain, deflect, divert and prevent the landslide movement and result in the difference of landslide moving distance. The valley topography of landslide is divided into straight-valley and deflection-valley based on the angle between...
Research of dynamic response patterns of high steep rock slope under earthquake effects
LIU Zheng, LI Bin, HE Kai, GAO Yang, WANG Chenhui
2020, 26(1): 115-124. doi: 10.12090/j.issn.1006-6616.2020.26.01.012
Abstract (449) HTML (187) PDF (5031KB)(23) [Cited by] (15)
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Base on the research of single-sided high steep slopes in southwestern China, dynamic responses of double-sided slopes are analysed which include changes of height, angle and width. Results show that predominant frequencies of slopes mainly concentrate in 1~4 Hz when inputting Ricker waves with vary...
Ostracod characteristics of the eastern Hetao Basin and its sedimentary environmental significance during the Middle and Late Quaternary
WU Lijie, SHI Jiansheng, ZHANG Yilong, LI Zhenghong, WANG Wenzhong, WANG Lijuan, YU Juan
2020, 26(1): 125-134. doi: 10.12090/j.issn.1006-6616.2020.26.01.013
Abstract (617) HTML (204) PDF (3669KB)(25) [Cited by] (6)
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By the comprehensive analysis of lithology, lithofacies and ostracod biological assemblages of the DTLC core in the eastern Hetao Basin, the ostracod biostratigraphy and its sedimentary environmental significance during the middle and late Quaternary was emphatically discussed. The conclusions are a...
Quantitative structure analysis of ore-bearing garnet-rich crystal in the Huogeqi mining area in Inner Mongolia and its significance
YAN Yan, PENG Runmin, CHEN Siyu, CHEN Junlin, QIN Xiang
2020, 26(1): 135-150. doi: 10.12090/j.issn.1006-6616.2020.26.01.014
Abstract (357) HTML (96) PDF (42943KB)(18) [Cited by] (2)
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Crystal size distribution(CSD) is an important method to quantitatively analyze the structure of igneous rocks and metamorphic rocks. The CSD measured in metamorphic rocks provides quantitative information about crystal nucleation, growth rate and growth time during metamorphism. In this paper, garn...

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