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Influence of tight sandstone gas in roof on gas production in deep coalbed methane wells: A case study of Shenfu block in Ordos Basin [PDF]
Youqicang pingjia yu kaifaIn the Shenfu block located on the eastern margin of the Ordos Basin, the deep coal seam is intimately interlayered with the tight sandstone layer. During the development of deep coalbed methane, a notable phenomenon has been observed whereby tight ...
WANG Xiaodong, WANG Yuchuan, LIANG Xiaolei, KANG Lifang, CHAO Weiwei, LIU Shiqi, HUANG Fansheng, WANG Wenkai, LIANG Yu
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Formation condition of deep gas reservoirs in tight sandstones in Kuqa Foreland Basin
Petroleum Research, 2018 Due to the high expense of deep oil and gas exploration, prediction of gas-bearing properties before drilling is crucial for deep gas reservoir of tight sandstone. Deep tight sandstone gas fields in Kuqa Foreland Basin are characterized by high abundance,
Xuesong Lu +6 more
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Influence of Supercritical CO2 on the Formation Sensitivity of Tight Sandstone
Frontiers in Energy Research, 2022 It is challenging to get water-based fracture fluid to flow back into low-pressure gas reservoirs. In order to solve the problem, supercritical CO2 is a novel type of non-aqueous fracturing technique with a wide range of applications prospect in low ...
Huan Peng +12 more
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Two-scale analysis of a tight gas sandstone
Physical Review E, 2016 Tight gas sandstones are low porosity media, with a very small permeability (i.e., below 1 mD). Their porosity is below 10%, and it is mainly composed of fine noncemented microcracks, which are present between neighboring quartz grains. While empirical models of permeability are available, their predictions, which do not compare well with macroscopic ...
Song, Yang +6 more
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Geofluids, 2021 Pore structures with rich nanopores and permeability in tight gas reservoirs are poorly understood up to date. Advanced techniques are needed to be employed to accurately characterize pore structures, especially tiny pores which include micron and nanopores.
Chaohui Lyu +4 more
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Frontiers in Earth Science, 2022 The Carboniferous-Permian coal measures in China contain abundant natural gas resources. Shale, coal and tight sandstone reservoirs are developed in coal measures, and the quantitative characterization of the pore structures of different types of ...
Jiao Pengfei +6 more
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, 2022 The existence of bedding fractures has a very important influence on the formation and distribution of tight sandstone oil and gas reservoirs. In this paper, the occurrence characteristics of bedding fractures and their influence on oil and gas ...
Wang, Weili +5 more
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Effectiveness of Oil Filling in Tight Sandstone Reservoirs of Yancheng Formation in Ordos Basin
Journal of Chemistry, 2022 The Ordos basin is one of the important oil-bearing basins in China, with abundant tight sandstone oil resources, wide distribution, and large thickness. It is the most realistic field of unconventional oil and gas exploration in China, and it is also an
Yu Han +5 more
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Unconventional natural gas accumulation system
Natural Gas Industry B, 2022 Unlike conventional natural gas accumulations, unconventional ones have obvious particularity in reservoir forming conditions, enrichment mechanism, distribution modes, prediction method, and exploration technology.
Zhijun Jin, Jinchuan Zhang, Xuan Tang
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Study of the effect of movable water saturation on gas production in tight sandstone gas reservoirs
, 2020 The movable water saturation of tight sandstone reservoirs is an important parameter in characterizing water production capacity, and there is a great need to understand the relationship between movable water saturation and water production ...
Zhang J +6 more
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