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Characteristics of tight oil in Triassic Yanchang Formation, Ordos Basin
By comprehensive study of reservoir and source rock distribution, petrology and geochemistry, the tight oil and its exploration potential was analyzed in the Triassic Yanchang Formation, Ordos Basin.
Jingli YAO +5 more
doaj +5 more sources
Geochemical Characteristics of Crude Oil in Member 7 of Yanchang Formation in Yanchang Oilfield
Oil is an important primary energy for national production and life and national defense, and China is the key to rapid development. It is of great strategic significance to ensure the safe and efficient production of the oil industry.
Wenming Li +5 more
doaj +3 more sources
By analyzing the hydrocarbon accumulation conditions under the guideline of sequence stratigraphy, the hydrocarbon accumulation mechanism in the low permeability, tight reservoirs of the Yanchang Formation in the Ordos Basin is studied from the ...
Yanru GUO +7 more
doaj +4 more sources
To uniformly evaluate the fracture development of the Triassic Yanchang Formation in Ordos Basin, a set of evaluation methods for fracture development degree is established by observation and account of fractures developed in the sandstone cores of the ...
Geyun LIU +4 more
doaj +4 more sources
Genesis of the high gamma sandstone of the Yanchang Formation in the Ordos Basin, China [PDF]
Recently, more attention has been paid on the high gamma sandstone reservoirs of the Yanchang Formation in the Ordos Basin, China. These high gamma sandstones have logging characteristics different from conventional sandstones, which influences the identification of sandstone reservoirs. Zhang et al (2010) proposed that the high gamma sandstones of the
Huaqing Liu
exaly +2 more sources
The Chang-8 and Chang-6 members of the Upper Triassic Yanchang Formation (lower part) are regarded as the main oil producing members of the Ordos Basin. Recently, new hydrocarbon discoveries have been made in the upper part of the Yanchang Formation (e.g.
Siyi Fu +3 more
doaj +2 more sources
Through analyzing the gas composition and isotopes of carbon and hydrogen of the shale gas samples, the geochemical characteristics of the upper Triassic Yanchang Formation shale from the Yanchang exploration area in the southeastern Ordos basin were ...
Xu Hongwei +6 more
doaj +1 more source
Investigation on Pore Structures of Yanchang Formation Shale Using Micro X-ray Microscopy
BACKGROUND Shale pore structure is the key to determine reservoir storage and migration capacity. It is of great significance for improving the productivity assessment of continental shale gas in China, and fracturing technology.
WANG Yu +3 more
doaj +2 more sources
There are several sets of source rocks in the Yanchang Formation of Mesozoic in the Ordos Basin. At present, Chang 7 source rock is considered to be the main source rock of the Yanchang Formation, although there are no evaluation methods for hydrocarbon ...
Jingwei Cui +7 more
doaj +1 more source

