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2019 Vol. 41, No. 1

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2019, 41(1): .
Abstract(286) PDF-CN(194)
Abstract:
Shale gas reservoir geology of the Upper Ordovician Wufeng Formation-Lower Silurian Longmaxi Formation in western Hubei and northeastern Chongqing
ZHOU Zhi, ZHAI Gangyi, SHI Dishi, WANG Shengjian, GUO Tianxu, LIU Yimin, WANG Hao
2019, 41(1): 1-9. doi: 10.11781/sysydz201901001
Abstract(1887) PDF-CN(406) Cited By (14)
Abstract:
The Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation are important strata for shale gas exploration in the western Hubei and northeastern Chongqing area. At present, no breakthrough has been made in exploration, and the main factors controlling shale gas enrichment are unc...
Geochemical characteristics of organic-rich shale in the Dawuba Formation, western Guizhou Province
CHEN Rong, YUAN Kun, ZHANG Ziya, XU Qiufeng, LU Shufan, HE Jingbo
2019, 41(1): 10-15. doi: 10.11781/sysydz201901010
Abstract(1235) PDF-CN(208) Cited By (10)
Abstract:
Consideration of the organic-rich shale of the Upper Paleozoic in the southern part of China has been stimulated by the advancement of shale gas exploration and development in China. The organic shale section of the Lower Carboniferous Dawuba Formation in the western part of Guizhou Province, which ...
Shale gas characteristics of organic-rich shale in Luofu Formation in Guizhong Depression
ZHANG Ziya, WEI Jiaqi, SHI Dishi, QIN Yinglun, ZHAO Yingquan, PANG Chunyu, LIU Yang
2019, 41(1): 16-22. doi: 10.11781/sysydz201901016
Abstract(1171) PDF-CN(230) Cited By (8)
Abstract:
The characteristics of organic-rich shale in the Middle Devonian Luofu Formation in the Guizhong Depressionwere studied using whole rock and clay mineral X-ray diffraction, and organic geochemical analyses. The shale was deposited as a black mud shale, carbonaceous shale, siliceous shale and siliceo...
Micro pore characteristics of Wufeng-Longmaxi shale and their control on gas content: a case study of well Anye 1 in Zunyi area, Guizhou Province
GE Mingna, PANG Fei, BAO Shujing
2019, 41(1): 23-30. doi: 10.11781/sysydz201901023
Abstract(1149) PDF-CN(247) Cited By (32)
Abstract:
The Anchang syncline is a complex tectonic area for shale gas exploration in South China, located in the northern part of Guizhou Province. The shale of the Upper Ordovician Wufeng-Lower Silurian Longmaxi formations in the well Anye 1 in Zunyi area of Guizhou Province was studied using argon ion pol...
Evaluation of shale gas resources of the Sinian Doushantuo Formation in the southern Huangling anticline, western Hubei Province
LI Haohan, CHEN Ke, BAO Shujing, ZHANG Yanlin, SONG Teng, WANG Peng
2019, 41(1): 31-37. doi: 10.11781/sysydz201901031
Abstract(1280) PDF-CN(178) Cited By (12)
Abstract:
With the first discovery of the world's oldest shale gas in the Sinian Doushantuo Formation on the southern limb of the Huangling anticline in the western Hubei Province, the gas-bearing properties of the dark shale in this layer have been confirmed. The gas content and density data of the dark shal...
Petrological characteristics and sedimentary environment in the southern Guizhou during the Late Carboniferous
YUAN Kun, CHEN Rong, LIN Tuo, FANG Xinxin, QIN Yinglun, WANG Chao, ZHOU Zhi, SUN Xiangcan
2019, 41(1): 38-44. doi: 10.11781/sysydz201901038
Abstract(1009) PDF-CN(184) Cited By (8)
Abstract:
The sedimentary environment changed frequently from carbonate terraces to basin in the Late Carboniferous in the south part of Guizhou. There were two lithologic combinations at the same time, namely the Nandan Formation (black limestones and siliceous shale limestones) and the Weining Formation (li...
Silicon sources and hydrocarbon accumulation in shale, Triassic Yanchang Formation, Ordos Basin
LIU Guoheng, ZHAI Gangyi, ZOU Caineng, HUANG Zhilong, XIA Xianghua, SHI Dishi, ZHOU Zhi, CHEN Rong, ZHANG Cong, YU Shufang
2019, 41(1): 45-55. doi: 10.11781/sysydz201901045
Abstract(1171) PDF-CN(254) Cited By (17)
Abstract:
A series of analyses, including major and trace element analysis, X-ray diffraction for bulk and clay mineral composition, Rock-Eval analysis, TOC analysis and scanning electron microscope observation, were conducted in order to determine the different silica sources and hydrocarbon accumulation bet...
Gas-bearing characteristics and controls of the Cambrian Shuijingtuo Formation in Yichang area, Middle Yangtze region
LUO Shengyuan, LIU An, LI Hai, CHEN Xiaohong, ZHANG Miao
2019, 41(1): 56-67. doi: 10.11781/sysydz201901056
Abstract(1297) PDF-CN(227) Cited By (27)
Abstract:
The Yichang area in the Middle Yangtze region is a new exploration target for shale gas outside the Sichuan Basin. The shale of the Cambrian Shuijingtuo Formation has an enormous gas resource potential in view of gas shows in most wells. Gas contents vary in different wells. We investigated the gas-...
Shale pore characteristics and controls in well Qian XY 1, Zunyi City, Guizhou Province
XIE Ting, ZHANG Cong, YANG Yuru, XIA Xianghua, LI Qi, WANG Xianghua, YU Weixin
2019, 41(1): 68-75. doi: 10.11781/sysydz201901068
Abstract(1404) PDF-CN(172) Cited By (4)
Abstract:
Twenty-two intact shale core samples from 1 029.91-1 140.4 m in the well Qian XY 1 in the Zunyi City of the Guizhou Province were studied using FE-SEM combined with PerGeos. Qualitative and quantitative analyses of pore development characteristics and main controlling factors were identified based o...
Characteristics of the Cambrian Shuijingtuo shale reservoir on Yichang Slope, western Hubei Province: a case study of well EYY 1
LI Hai, LIU An, LUO Shengyuan, CHEN Xiaohong, CHEN Lin
2019, 41(1): 76-82. doi: 10.11781/sysydz201901076
Abstract(1191) PDF-CN(186) Cited By (23)
Abstract:
The characteristics of shale reservoirs on the Yichang Slope in the western Hubei Province were studied using organic geochemistry, mineral X-ray diffraction, field emission scanning electron microscopy and nuclear magnetic resonance methods on black shale samples collected from the Cambrian Shuijin...
Shale gas accumulation in the Upper Permian Leping Formation: a case study of well Ganfengdi-1 in the central Pingle Depression, Jiangxi Province
FANG Chaogang, XU Zhenyu, TENG Long, HUANG Zhengqing, ZHENG Hongjun, XU Feifei
2019, 41(1): 83-93. doi: 10.11781/sysydz201901083
Abstract(1044) PDF-CN(130) Cited By (8)
Abstract:
The Upper Permian Leping coal measures are widely developed in the Pingle Depression, Jiangxi Pro-vince, which is a key area for shale gas exploration in the Lower Yangtze region. The core data of well Ganfengdi-1, the first geological survey well in the Pingle Depression, which drilled through the ...
Shale gas accumulation conditions and resource potential evaluation of the Cambrian in the Lower Yangtze area
HUANG Zhengqing, ZHOU Daorong, LI Jianqing, WU Tong, XU Feifei
2019, 41(1): 94-98. doi: 10.11781/sysydz201901094
Abstract(1399) PDF-CN(162) Cited By (20)
Abstract:
The Cambrian in the Lower Yangtze region is a marine sedimentary stratum with an area of 130×103km2. The Lower Cambrian Hetang Formation (Makufushan Formation) comprisesblack carbonaceous mudstones with a thickness of 276 m and an organic carbon content (TOC) rangingfrom 0.25%-23.52%, averaging 4.54...
Pore characterization of shale in Shanxi Formation, Yan'an area, Ordos Basin
WANG Zilong, GUO Shaobin
2019, 41(1): 99-107. doi: 10.11781/sysydz201901099
Abstract(2205) PDF-CN(267) Cited By (14)
Abstract:
The shale reservoirs in the Upper Paleozoic Shanxi Formation in the Yan'an area of the Ordos Basin were studied. The whole porosity of the shale was characterized in detail using NMR, SEM, high pressure mercury intrusion, nitrogen adsorption and carbon dioxide adsorption. The Shanxi Formation in the...
Prediction of brittle index and its relationship with log data in marine-terrigenous shale of Qinshui Basin
FU Juanjuan, GUO Shaobin
2019, 41(1): 108-112. doi: 10.11781/sysydz201901108
Abstract(1157) PDF-CN(134) Cited By (10)
Abstract:
Rock brittleness, as a key factor affecting the fracture properties of shale, is one of most important parameters for shale gas reservoir evaluation and "sweet spot" prediction. At present, the brittleness evaluation of shale reservoirs in the Qinshui Basin is mostly based on qualitative analysis be...
Laminated texture of shale and its storage space significance in Western Depression, Liaohe Basin
MAO Junli, ZHANG Jinchuan, LIU Tong, DING Jianghui
2019, 41(1): 113-120. doi: 10.11781/sysydz201901113
Abstract(1117) PDF-CN(158) Cited By (9)
Abstract:
Almost all organic-rich shale contains stratigraphic structures to varying degrees, reflecting different sedimentary facies, shale organic matter abundance, hydrocarbon generation capacity, reservoir space and gas content. The organic matter (OM) can be divided into three types of occurrence state, ...
Inorganic geochemical characteristics and paleoenvironment of Chang 7 oil shale in Yanchang Formation, Tongchuan area, Shaanxi Province
QIAO Shihai, LI Yuhong, GUO Wang, ZHANG Yunpeng, WANG Yong
2019, 41(1): 121-126. doi: 10.11781/sysydz201901121
Abstract(1055) PDF-CN(127) Cited By (13)
Abstract:
The geochemistry of shale core samples from the 7th member (Chang 7) of Triassic Yanchang Formation were analyzed in order to study the characteristics of sedimentary palaeoenvironment such as salinity, redox condition, depth, hydrothermal activity and palaeoclimate when the Chang 7 member was depos...
Occurrence and controls of shale absorbed gas in Liupanshan Basin
HAN Wei, AI Ning, LI Yuhong, ZHANG Yunpeng, GUO Wang
2019, 41(1): 127-133. doi: 10.11781/sysydz201901127
Abstract(928) PDF-CN(114) Cited By (8)
Abstract:
The Liupanshan Basin has potentially favorable conditions for oil and gas exploration. An absorbed gas model and other methods were used to study the mud shale in the Cretaceous Madongshan Formation in the well GY 1 in the Liupanshan Basin in order to discuss the occurrence and controls of the shale...
Rock mechanical properties and fracability of continental shale in Zhanhua Sag, Bohai Bay Basin
XIA Zunyi, MA Haiyang, FANG Kun
2019, 41(1): 134-141. doi: 10.11781/sysydz201901134
Abstract(1310) PDF-CN(124) Cited By (31)
Abstract:
The rock mechanical properties and fracability of a shale reservoir play an important role in the development of shale oil and gas. There is limited literature on the rock mechanical properties and fracability of continental shale. The mineral composition, compressive strength, Young's modulus and P...
Lithofacies characteristics and impact on pore structure of the Shahezi Formation shale, Changling Fault Depression, Songliao Basin
ZHANG Yinghan, LI Zhuo, LIU Dongdong, GAO Fenglin, JIANG Zhenxue, LIANG Zhikai, YANG Dongxu, YU Hailong
2019, 41(1): 142-148. doi: 10.11781/sysydz201901142
Abstract(1521) PDF-CN(124) Cited By (8)
Abstract:
A lithofacies classification was established based on TOC and XRD data on cores of the Shahezi Formation in the Changling Fault Depression of the Songliao Basin. There are 7 lithofacies in the study area. Scanning electron microscopy, CO2 and N2 adsorption and high pressure mercury intrusion experim...
Micro-pore characteristics of shale in Zhanhua Sag, Bohai Bay Basin
MA Haiyang, XIA Zunyi, WEN Qingzhi, ZHANG Pengyu
2019, 41(1): 149-156. doi: 10.11781/sysydz201901149
Abstract(1123) PDF-CN(108) Cited By (16)
Abstract:
The micro-pore structure of shale is a key contol of shale oil and gas accumulation and seepage. The micro-pore structure of the continental shale in the Shahejie Formation in the Zhanhua Sag was analyzed by using argon-ion polishing SEM, CO2 adsorption, N2 adsorption, MIP and NMR. The shale display...
2019, 41(1): 157-157.
Abstract(350) PDF-CN(83)
Abstract:

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