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2021 Vol. 43, No. 2

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2021, 43(2): .
Abstract(208) PDF-CN(192)
Abstract:
Characteristics and environment indication of mud shale undergone low temperature metamorphism: a case study of Neoproterozoic Binggounan Formation, Hongliugou Ⅰ section, Altyn Tagh fault
QIAN Yixiong, CHU Chenglin, LI Yuejun, WANG Yi, ZHANG Zhongpei, YANG Xin, LI Wangpeng, MA Hongqiang, CHEN Yue, SHAO Zhibing, ZHUANG Xinbing
2021, 43(2): 193-207. doi: 10.11781/sysydz202102193
Abstract(626) HTML (170) PDF-CN(156) Cited By (4)
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The Neoproterozoic Binggounan Formation mud shale in the Hongliugou Ⅰ section on the northwestern margin of the Altyn Tagh fault was deposited in a passive continental margin. They are shelf sediments about 60 m thick, interbedded with siliceous rocks, undergone a low temperature thermodynamic metam...
Geological background and exploration prospects for the occurrence of high-content hydrogen
MENG Qingqiang, JIN Zhijun, SUN Dongsheng, LIU Quanyou, ZHU Dongya, LIU Jiayi, HUANG Xiaowei, WANG Lu
2021, 43(2): 208-216. doi: 10.11781/sysydz202102208
Abstract(2008) HTML (725) PDF-CN(354) Cited By (23)
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Gas of hydrogen is combustible and has been regarded as one of the important form of clean energy. With the increasing environmental concerns caused by the continues and high dependence on fossil fuels, more attention is being paid to the research on hydrogen exploration. However, only limited under...
Sedimentary characteristics and development model of Cambrian gypsum-salt rocks, Tarim Basin
FAN Qi, FAN Tailiang, LI Qingping, DU Yang, ZHANG Yan, YUAN Yaxuan
2021, 43(2): 217-226. doi: 10.11781/sysydz202102217
Abstract(851) HTML (414) PDF-CN(420) Cited By (23)
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The Cambrian gypsum-salt rocks in the Tarim Basin are key geological elements to the pre-salt play typical marine evaporites, yet little attention has been paid to this set of evaporites. Based on a field survey, the latest 2D seismic interpretation and comprehensive analysis of sixteen exploratory ...
Optimization of multi-layer commingled coalbed methane production in Zhijin area, Guizhou province
GAO Yuqiao, GUO Tao, HE Xipeng, GAO Xiaokang
2021, 43(2): 227-232. doi: 10.11781/sysydz202102227
Abstract(579) HTML (208) PDF-CN(115) Cited By (18)
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Coal seams of the Longtan Formation in the Zhijin area of Guizhou province present the characteristics of multiple layers and small individual thickness. Compared with single thick-layered coal seam, multiple coal seams have differences in reservoir pressure gradient, formation liquid supply capacit...
Formation conditions of shale oil and favorable targets in the second member of Paleogene Funing Formation in Qintong Sag, Subei Basin
ZAN Lin, LUO Weifeng, YIN Yanling, JING Xiaoming
2021, 43(2): 233-241. doi: 10.11781/sysydz202102233
Abstract(1058) HTML (336) PDF-CN(205) Cited By (30)
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The favorable targets of shale oil exploration were optimized based on the analyses of hydrocarbon generation, reservoir conditions and oil content of the shale sections in the second member of Paleogene Funing Formation in the Qintong Sag, Subei Basin. Some favorable zones were predicted according ...
Macro-heterogeneity evaluation based on different sand body structures: a case study of Chang 8 reservoir group in Heshui area, Ordos Basin
CHEN Zhaobing, FU Ling, NAN Fanchi, RAN Jing, CHEN Xinjing, ZONG Chaolun, LI Haoyuan
2021, 43(2): 242-249. doi: 10.11781/sysydz202102242
Abstract(751) HTML (191) PDF-CN(110) Cited By (15)
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Macro-heterogeneity is one of the important factors affecting oilfield development, especially for deltaic sedimentary environments with complex sand body structures. The structure type and characteristics of sand bodies were analyzed for Chang 8 reservoir group (the eighth member of Upper Triassic ...
Characteristics of in situ stress of tight oil reservoirs and its influence on petrophysical properties: a case study of Upper Triassic Yanchang Formation in Ordos Basin
GAO Yi, LIN Lifei, YIN Shuai, HU Guoxiang, MA Rongli
2021, 43(2): 250-258. doi: 10.11781/sysydz202102250
Abstract(678) HTML (174) PDF-CN(144) Cited By (14)
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The petrophysical properties of tight reservoirs and the state of fluid occurrence are affected by current geostress. In the past, there were few studies on the rock mechanical properties and in situ stress of the Yanchang Formation in the central and western regions of the Ordos Basin, which restri...
Accumulation factor matching and model of Bozhong 19-6 buried hill gas reservoir, Bohai Sea area
NIU Chengmin, WANG Feilong, HE Jiangqi, TANG Guomin
2021, 43(2): 259-267. doi: 10.11781/sysydz202102259
Abstract(1068) HTML (266) PDF-CN(168) Cited By (30)
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The accumulation factors and mechanism of the 100 billion cubic meters gas reservoir in the Bozhong 19-6 buried hill of the Bohai Sea area were studied using geochemical analyses and basin modelling based on a large amount of core, cast thin section, well logging and geochemical data. The results sh...
Characteristics of reservoirs for inter-salt shale oil of Qianjiang Formation, Qianjiang Sag, Jianghan Basin: a case study of the Eq34-10 rhythm
LIU Xinrui, WU Shiqiang, CHEN Fengling, ZHANG Liang, DU Xiaojuan, GUAN Wenjing, LIANG Wenchuan
2021, 43(2): 268-275. doi: 10.11781/sysydz202102268
Abstract(981) HTML (256) PDF-CN(141) Cited By (8)
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The inter-salt shale oil of the Eocene Qianjiang Formation in the Jianghan Basin is a hot and difficult research target in recent years. In order to clarify the lithofacies and physical properties of the inter-salt shale reservoirs, based on core observation, thin section observation, X-ray diffract...
Geological significance of late Mid-Permian stratigraphy in northern and eastern Sichuan Basin, SW China
YAO Qianying, LIU Yifeng, JIANG Qingchun, HAO Yi, LI Jingrui, LÜ Xueju, SU Wang, FU Xiaodong
2021, 43(2): 276-287. doi: 10.11781/sysydz202102276
Abstract(674) HTML (180) PDF-CN(157) Cited By (19)
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The Mid-Permian Maokou Formation in the Sichuan Basin shows good petroleum prospectivity. However, knowledge of the stratigraphy in the northern and eastern Sichuan Basin during the late Maokou period are still unclear. The interface between the Maokou and Wujiaping formations was re-identified, and...
Normal fault evolution in Lishu Fault Depression, southern Songliao Basin
DENG Mingzhe, ZUO Zongxin, QIU Qi, BAI Fan
2021, 43(2): 288-296. doi: 10.11781/sysydz202102288
Abstract(831) HTML (188) PDF-CN(134) Cited By (13)
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The formation of the Songliao Basin was affected by multidirectional tectonic stress and various peripheral structural belts, and has a complicated geological structure and basin evolution process. The Lishu Fault Depression in the southern Songliao Basin has the characteristics of superimposed and ...
Thermal evolution history reconstruction of Carboniferous source rocks on the northeastern margin of Junggar Basin using TSM basin simulation technology
ZHOU Yushuang, JIA Cunshan, ZHANG Kuihua, ZHAO Yongqiang, YU Qixiang, JIANG Xingge, CAO Qian
2021, 43(2): 297-306. doi: 10.11781/sysydz202102297
Abstract(674) HTML (207) PDF-CN(104) Cited By (10)
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Multiple sets of source rocks developed in the Carboniferous on the northeastern margin of Junggar Basin. Modelling the thermal evolution history of source rocks is of great importance to deepen the understanding of hydrocarbon accumulation. Based on the study of basin evolution and source rock deve...
Evaluation of geochemical characteristics and source of natural gas in Lower Paleozoic, Daniudi area, Ordos Basin
SUN Xiao, WANG Jie, TAO Cheng, ZHANG Yi, JIA Huichong, JIANG Haijian, MA Liangbang, WANG Fubin
2021, 43(2): 307-314. doi: 10.11781/sysydz202102307
Abstract(687) HTML (231) PDF-CN(169) Cited By (31)
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In recent years, great progress has been made in the exploration of natural gas in the Paleozoic in the Daniudi Gas Field in the northern Ordos Basin, especially the discovery of high yield industrial gas flow in the Ordovician weathering crust. However, the study of the origin and source of natural...
Origin and mixing ratio of crude oils in different charging episodes of Yangjiang Sag of Pearl River Mouth Basin
XIONG Wanlin, LONG Zulie, ZHU Junzhang, YANG Xingye, FENG Yong
2021, 43(2): 315-324. doi: 10.11781/sysydz202102315
Abstract(613) HTML (163) PDF-CN(99) Cited By (3)
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The oil and gas exploration in the Yangjiang Sag of Pearl River Mouth Basin has successfully carried out and breakthroughs have been achieved in the past two years. The generation mechanisms of crude oils of multiple charging episodes were studied and the sources, mixing ratios were quantitatively c...
Recent progress in the theory and technology of microbial prospecting for oil and gas
TANG Yuping, XU Kewei, GU Lei, YANG Fan, GAO Junyang, REN Chun, WANG Guojian
2021, 43(2): 325-334. doi: 10.11781/sysydz202102325
Abstract(926) HTML (425) PDF-CN(234) Cited By (8)
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Microbial prospecting for oil and gas (MPOG) is a surface exploration technology derived from the principle of light hydrocarbon micro-seepage from oil and gas reservoirs. The light hydrocarbons (C1-C5) in oil and gas reservoirs permeate the overlying sedimentary layer in the way of micro-seepage, w...
Accurate evaluation of source rocks in source-reservoir integration: a case study of source rocks in Lucaogou Formation, Jimsar Sag, Junggar Basin
LI Erting, WANG Jian, LI Ji, HE Dan, GAO Xiuwei, LIU Cuimin, WANG Haijing
2021, 43(2): 335-342. doi: 10.11781/sysydz202102335
Abstract(603) HTML (255) PDF-CN(140) Cited By (22)
Abstract:
In the Middle Permian Lucaogou Formation in the Jimsar Sag of Junggar Basin, source rocks and reservoirs are integrated. Crude oil impregnation is very common in core samples, which leads to the inaccurate determination of source rock evaluation parameters. The impact of migrated hydrocarbon on sour...
Mechanical properties and influencing factors of Funing Formation sandstone reservoir in Jinhu Sag, Subei Basin
SUN Ke, CHEN Qinghua
2021, 43(2): 343-353. doi: 10.11781/sysydz202102343
Abstract(588) HTML (193) PDF-CN(115) Cited By (5)
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Reservoir rock mechanics plays a key role in oil and gas field development. The relationship between lithology, temperature, fluid and confining pressure and the mechanical properties of sandstone reservoirs and the influence mechanism of each factor were discussed using rock mechanics tests, X-ray ...
Geophysical methods for quantitative resumption of paleo-structures and its application
JING Keyao, CHEN Xia, JIN Xiaohui
2021, 43(2): 354-359. doi: 10.11781/sysydz202102354
Abstract(557) HTML (215) PDF-CN(145) Cited By (8)
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Paleo-structures can be resumed and the fine studies of tectonic evolution can be achieved using bedding flattening technique and paleo-stratigraphic thickness calculation based on the interpretation of seismic data. The synthetic records of stratigraphic and seismic refection characteristics of mul...
Ar-ion polishing FE-SEM analysis of organic maceral identification
GAO Fenglin, WANG Chengxi, SONG Yan, CHEN Zhenhong, LIU Qingxin, LI Zhuo, JIANG Zhenxue, ZHANG Xinxin
2021, 43(2): 360-367. doi: 10.11781/sysydz202102360
Abstract(1104) HTML (442) PDF-CN(179) Cited By (26)
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Argon-ion polishing field emission-scanning electron microscopy (FE-SEM) is a common method to characterize the microscopic pore structure characteristics of shale reservoirs, but organic macerals cannot be directly identified by FE-SEM alone. Fluorescence microscopy is the main method for identifyi...
Constant velocity mercury injection and nuclear magnetic resonance in evaluation of tight sandstone reservoirs in western Sichuan Basin
FENG Dongjun, XIAO Kaihua
2021, 43(2): 368-376. doi: 10.11781/sysydz202102368
Abstract(900) HTML (264) PDF-CN(159) Cited By (33)
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The reservoir porosity, pore structure type, pore-throat characteristics, pore-throat ratio and their correlations with porosity and permeability of the fourth member of Upper Triassic Xujiahe Formation in the Xinchang area of the western Sichuan Basin were discussed based on constant velocity mercu...
2021, 43(2): 377-377.
Abstract(374) PDF-CN(164)
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