Results 71 to 80 of about 1,480 (171)

Deposition of Yanchang Formation deep-water sandstone under the control of tectonic events in the Ordos Basin

Petroleum Exploration and Development, 2013
A large area of deep-water sandstone was formed under the combined action of delta and gravity flow in the central Ordos Basin during the depositional period of the Ch6 and Ch7 oil-bearing formations of the Yanchang Formation. According to U-Pb dating of
Hua YANG, Xiuqin DENG
doaj   +1 more source

Mechanistic Investigation of Salt Precipitation Induced by Supercritical CO2 in Saline Aquifers

Water Resources Research, Volume 61, Issue 10, October 2025.
Abstract Salt precipitation near injection wells critically influences both the efficiency and integrity of CO2 geological storage in saline aquifers, especially under high‐salinity conditions. To clarify the dominant mechanisms of supercritical CO2 (ScCO2)‐induced salt crystallization and inform mitigation strategies, we conducted static high ...
Danqun Wang, Jingtao Lai, Yan Zhang, Weimin Chen, Zhiping Li, Jianping Guo   +5 more
wiley   +1 more source

A new method of lithologic identification and distribution characteristics of fine - grained sediments: A case study in southwest of Ordos Basin, China

Open Geosciences, 2019
Lithologic identification is critical for studying fine - grained sediments, which further elucidates sedimentary environment, and formation. The oil - bearing Chang 7 Section of the Yanchang Formation in Ordos Basin contains thick dark mudstone with a ...
Lyu Qiqi, Luo Shunshe, Guan Yulong, Fu Jinhua, Niu Xiaobing, Xu Liming, Feng Shengbin, Li Shixiang   +7 more
doaj   +1 more source

Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China

Earth Sciences Research Journal, 2019
Soft-sediment deformation (SSD) structures of the Upper Triassic Yanchang Formation are laterally widespread in the Ordos Basin. In the Huachi-Qingyang (H-Q) area of the Ordos Basin, the Chang6 oil member of the Upper Triassic Yanchang Formation is among
Qingshao Liang, Jingchun Tian, Feng Wang, Xiang Zhang   +3 more
doaj   +1 more source

Ultra‐High‐Capacity of Earth‐Abundant Cathodes Enabled by Excess Fluoride‐Ion Insertion/Extraction

Advanced Energy Materials, Volume 15, Issue 29, August 5, 2025.
A perovskite oxyfluoride SrFeO2Fx can accomodate excess F– beyond x = 1 in the structure with oxygen redox (O–O bond formation). The Sr‐substituted CaFeO2Fx (Ca0.8Sr0.2FeO2Fx) provides an extremely large capacity of 580 mAh g−1 (2595 mAh cm−3). This research will provide new design principles for the development of all‐solid‐state fluoride‐ion battery ...
Yanchang Wang, Kentaro Yamamoto, Yuki Sakaguchi, Jun Miyawaki, Toshiyuki Matsunaga, Datong Zhang, Hisao Kiuchi, Zulai Cao, Koji Nakanishi, Toshiki Watanabe, Neha Thakur, Mukesh Kumar, Hidenori Miki, Hideki Iba, Kazuhiko Maeda, Yoshihisa Harada, Hiroshi Kageyama, Yoshiharu Uchimoto   +17 more
wiley   +1 more source

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

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, Hongwei PING, Xin YANG, Honghan CHEN, Chuanquan LI, Faqi HE, Rong QI   +6 more
doaj   +1 more source

Lithofacies palaeogeography as a guide to petroleum exploration

Journal of Palaeogeography, 2013
Lithofacies palaeogeography as a guide to petroleum exploration is a very important topic. By using the following five exploration examples, this paper discusses the guide of lithofacies palaeogeography or of sedimentary facies to petroleum exploration ...
Feng Zengzhao, Bao Hongping, Jia Jinhua, Wang Yigang, Deng Xiuqin   +4 more
doaj   +1 more source

Effects of organic matter and mineral compositions on pore structures of shales: A comparative study of lacustrine shale in Ordos Basin and Marine Shale in Sichuan Basin, China

Energy Exploration & Exploitation, 2018
The pore structure of shale plays key role in oil and gas storage capacity and accumulation. Twelve representative samples were selected from Triassic Yanchang Formation in the Ordos Basin and Silurian Longmaxi Formation in the Sichuan Basin with ...
Xianglu Tang, Zhenxue Jiang, Shu Jiang, Zhuo Li, Yongmin Peng, Dianshi Xiao, Fengcun Xing   +6 more
doaj   +1 more source

Origin and spatial-temporal evolution of crude oil in coal-oil-gas symbiotic mines in Ordos Basin：Taking Lucun Mining Area as an example

Meitan xuebao
A large number of mines in southern Ordos Basin have coal-oil-gas symbiosis, and the crude oil leaking from the top and bottom of the coal mining process has brought great security risks to the coal mining, so it is necessary to further identify the ...
Delu LI, Xingzhe WANG, Xueyang SUN, Changqing FU, Yingtao CHEN, Shengquan WANG, Haitao XUE, Yue CAI, Zhilong XU, Jianhu WANG   +9 more
doaj   +1 more source

The genesis model of carbonate cementation in the tight oil reservoir: A case of Chang 6 oil layers of the Upper Triassic Yanchang Formation in the western Jiyuan area, Ordos Basin, China

Open Geosciences, 2020
Carbonate cementation is one of the significant tightness factors in Chang 6 reservoir of the western Jiyuan (WJY) area. Based on the observation of core and thin sections, connecting-well profile analysis as well as carbon and oxygen isotope analysis ...
Li Shutong, Li Shixiang, Zhou Xinping, Ma Xiaofeng, Guo Ruiliang, Zhang Jiaqiang, Chen Junlin   +6 more
doaj   +1 more source