Results 21 to 30 of about 4,182,523 (196)

Oil Accumulation Model and Its Main Controlling Factors in Lower Yanchang Formation, Wuqi-Dingbianarea, Ordos Basin, China

open access: yesGeofluids, 2021
Based on the studies of sedimentary facies, oil-source correlation, formation pressure structure, homogenization temperature of fluid inclusions, etc., the oil and gas accumulation model and main controlling factors in lower Yanchang Formation in Wuqi ...
Jintao Yin   +8 more
doaj   +2 more sources

Investigation on Pore Structures of Yanchang Formation Shale Using Micro X-ray Microscopy

open access: yesYankuang ceshi, 2020
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

Exploration potential of Chang 9 member, Yanchang Formation, Ordos Basin

open access: yesPetroleum Exploration and Development, 2008
New discoveries have been achieved in the exploration of the Yanchang Formation Chang 9 member. This article discusses the exploration potential of the Chang 9 member from the hydrocarbon source rock condition, reservoir condition, and the pattern of hydrocarbon generation and storage.
Jin-gao ZHOU   +6 more
openaire   +3 more sources

Carbonate Concretions in Triassic Yanchang Formation (Ordos Basin, China) as Evidence of Hydrothermal Activity

open access: yesEnergies, 2023
The discovery of concretions of Chang 7 shale formations in the Ordos basin has increased interest in the exploration of lacustrine carbonate genesis in these basins.
Mengsi Sun, Congjun Feng, Chiyang Liu
doaj   +2 more sources

Relationship between potentiometric surface and abnormally low pressure in the Yanchang Formation, Zhenjing area, Ordos Basin, China

open access: yesNatural Gas Industry B
Abnormally low pressure commonly develops in petroliferous basins. It is closely associated with hydrocarbon distribution and can hinder safe drilling operations.
Chao Li   +8 more
doaj   +2 more sources

Comparison of hydrocarbon generation, expulsion periods, and accumulation periods of source rocks in Member 7 of the Yanchang Formation in the Jinghe Oilfield, southern Ordos Basin

open access: yes地质科技通报
Objective Commercial oil accumulation in the Jinghe Oilfield of the Southwest Ordos Basin was primarily found in the Northeast area. Previous studies have shown that oil mainly sourced from the oil shale in Member 7 of the Yanchang Formation.
Xinle ZHANG   +6 more
doaj   +2 more sources

Lacustrine fine-grained sedimentary features and organicrich shale distribution pattern: A case study of Chang 7 Member of Triassic Yanchang Formation in Ordos Basin, NW China

open access: yesPetroleum Exploration and Development, 2015
The Chang 7 Member of Triassic Yanchang Formation in Ordos Basin is taken as an example to study the distribution rule and major controlling factors of the fine-grained sedimentary system by core description, thin section observation, X-ray diffraction ...
Xuanjun YUAN   +7 more
doaj   +3 more sources

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+2 more sources

Hydrocarbon generation and expulsion quantification and contribution of multiple source rocks to hydrocarbon accumulation in Yanchang Formation, Ordos Basin, China

open access: yesJournal of Natural Gas Geoscience, 2021
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

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