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Genesis of bitumen and high resistivity water layer in Yanchang formation, Ordos Basin, China
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2021Many oil-bearing basins in the world have found high-resistivity water layers, which brings difficulties to the identification of oil-water layers and the exploration and development of oil fields....
Zhenglu Xiao +5 more
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Oil reserves of Chang 7 Shale, Triassic Yanchang Formation, Ordos Basin
Petroleum Science and Technology, 2017With the successful exploration of unconventional hydrocarbons such as shale oil and shale gas, scholars paid more attention to the residual hydrocarbons within the shale.
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Interpretation, 2016
A chemostratigraphic study of a 300 m long core recovered from the southeastern central Ordos depocenter reveals thick ([Formula: see text]) intervals of fine-grained, organic-rich lacustrine strata, interpreted to represent deepwater deposition under meromictic conditions (incomplete watermass overturn) during lake highstand phases, interspersed with ...
Harry Rowe +10 more
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A chemostratigraphic study of a 300 m long core recovered from the southeastern central Ordos depocenter reveals thick ([Formula: see text]) intervals of fine-grained, organic-rich lacustrine strata, interpreted to represent deepwater deposition under meromictic conditions (incomplete watermass overturn) during lake highstand phases, interspersed with ...
Harry Rowe +10 more
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Journal of Natural Gas Science and Engineering, 2018
Abstract To study the occurrence state and content of shale gas in different depositional environments, 15 marine shale samples from Longmaxi Formation in the Sichuan Basin and 15 continental shale samples from Yanchang Formation in the Ordos Basin were sampled. Then a series of experiments, including X-ray diffraction analysis, TOC content analysis,
Qianwen Li +5 more
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Abstract To study the occurrence state and content of shale gas in different depositional environments, 15 marine shale samples from Longmaxi Formation in the Sichuan Basin and 15 continental shale samples from Yanchang Formation in the Ordos Basin were sampled. Then a series of experiments, including X-ray diffraction analysis, TOC content analysis,
Qianwen Li +5 more
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Geological and Mining Engineering
This study thoroughly analyzes the petrological and physical properties of the Chang 4+5 and Chang 6 reservoirs of the Triassic Yanchang Formation in the Majiahe area of the Ordos Basin. The lithology in the study area is mainly composed of gray fine-grained feld-spathic sandstone, followed by medium to fine-grained and silt to fine-grained ...
Jiadong Ji, Guicheng Wang
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This study thoroughly analyzes the petrological and physical properties of the Chang 4+5 and Chang 6 reservoirs of the Triassic Yanchang Formation in the Majiahe area of the Ordos Basin. The lithology in the study area is mainly composed of gray fine-grained feld-spathic sandstone, followed by medium to fine-grained and silt to fine-grained ...
Jiadong Ji, Guicheng Wang
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Applied Mechanics and Materials, 2014
The tight sand in the layer 7 of YanChang Formation, Ordos Basin major develops braided river delta and gravity flow deposits. In this paper, based on previous studies on lake pelvic shape, provenance and hydrodynamic, the sand body in the research area has been systematically studied through core observation, logging data, and sedimentary theory ...
Qi Qi Lv +4 more
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The tight sand in the layer 7 of YanChang Formation, Ordos Basin major develops braided river delta and gravity flow deposits. In this paper, based on previous studies on lake pelvic shape, provenance and hydrodynamic, the sand body in the research area has been systematically studied through core observation, logging data, and sedimentary theory ...
Qi Qi Lv +4 more
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International Journal of Oil, Gas and Coal Technology, 2023
Xia Wang, Guomin Fu
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Xia Wang, Guomin Fu
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Petrophysical characteristics of shale oil reservoirs in the Yanchang Formation, Ordos Basin
Applied Geophysics, 2022Si-Xin Zhu +4 more
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Characteristics of High‐Gamma‐Ray Sandstone Reservoirs for Yanchang Formation in Ordos Basin
Chinese Journal of Geophysics, 2010AbstractOn the basis of geological data and well log interpretation, the characteristics of the high‐gamma‐ray reservoirs for Yanchang Formation are analyzed. The results show that the high‐gamma‐ray reservoirs have the typical logging response characteristics, such as significant spontaneous potential (SP) negative anomalies, high gamma ray, high ...
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