Results 1 to 10 of about 72 (66)
Sequence division and coal facies research methods of the deep No. 8 coal seam in the Daning-Jixian Block, eastern margin of Ordos basin [PDF]
Scientific ReportsWith the large-scale commercial development of deep coalbed methane in the Ordos Basin, the refined research on deep coal seams (with a burial depth > 2000 m) has begun to attract much attention. In this study, the No.
Jintao Kong, Xianyue Xiong, Rong Ding
doaj +2 more sources
Pore structure of deep high-rank coal and its impact on coalbed methane adsorption: a case study of the Daning-Jixian block, Eastern Ordos Basin [PDF]
Scientific ReportsThe pore structure of deep coal reservoirs is the key to evaluating the potential of coalbed methane resources and optimizing the development strategy.
Haonan Chen +8 more
doaj +2 more sources
Pore Size Distribution and Fractal Characteristics of Deep Coal in the Daning–Jixian Block on the Eastern Margin of the Ordos Basin [PDF]
ACS OmegaBeixi Zhang +10 more
doaj +2 more sources
Journal of Natural Gas Geoscience, 2022 The shales in the 2nd Member of Permian Shanxi Formation (Shan2 Member) at the Daning-Jixian block at the eastern margin of the Ordos Basin were deposited in a marine–continental transitional environment.
Qin Zhang +8 more
doaj +1 more source
Geofluids, Volume 2023, Issue 1, 2023., 2023 The production of coalbed methane resources is greatly dependent on the reservoir depletion process. To improve the depressurization efficiency of deep coalbed methane (DCBM) reservoirs, the fluid production characteristics and implications of in situ stress and reservoir pressure for reservoir depletion in the eastern margin of the Ordos Basin are ...
Rui Li +5 more
wiley +1 more source
Geofluids, Volume 2022, Issue 1, 2022., 2022 This study focuses on the organic‐rich mud shale in the Upper Palaeozoic transitional facies in the southeastern margin of the Ordos Basin. It systematically analyzes the shale gas accumulation conditions of the organic‐rich mud shale in the Lower Permian Shanxi‐Taiyuan Formation, including the thickness, distribution, organic matter type and content ...
Xu Zeng +8 more
wiley +1 more source
Study on Downhole Throttling Characteristics of High Water Content Gas
Geofluids, Volume 2022, Issue 1, 2022., 2022 In order not to hinder gas production, we usually hope that the bottom hole effusion can be discharged to the surface with high‐pressure natural gas. For the production data of high water content gas wells, the problems of insufficient water content and liquid‐carrying capacity affecting gas well production should be considered.
Jie Zheng +7 more
wiley +1 more source
A Comparative Study of the Micropore Structure between the Transitional and Marine Shales in China
Geofluids, Volume 2021, Issue 1, 2021., 2021 To compare the micropore structure of marine‐continental transitional shale with marine shale, organic geochemical, field emission scanning electron microscopy, and low‐temperature nitrogen adsorption experiments were conducted on shale samples from the Shanxi Formation in the eastern Ordos Basin and the Longmaxi Formation in the southern Sichuan Basin.
Pengfei Jiao +5 more
wiley +1 more source
Geofluids, Volume 2021, Issue 1, 2021., 2021 Liquid nitrogen freeze‐thaw fracturing has attracted more and more attention in improving the coal reservoir permeability. In order to reveal the impact of liquid nitrogen freeze‐thaw on the multiscale structure of deep coal, the multiscale structure evolution law of deep and shallow coal samples from the same seam in the Qinshui coalfield during the ...
Yingfeng Sun +5 more
wiley +1 more source
Energies, 2023 Coal measure gas resources, including coalbed methane (CBM), shale gas, and tight gas are abundant in the Daning–Jixian Block. The complexity of the source–reservoir–cap relationship in the coal measure strata leads to unclear symbiotic characteristics ...
Wenguang Tian +6 more
doaj +1 more source