Results 31 to 40 of about 16,144,632 (222)
Frontiers in Microbiology, 2023 Coalbed water is a semi-open system connecting underground coalbeds with the external environment. Microorganisms in coalbed water play an important role in coal biogasification and the carbon cycle.
Li Fu +4 more
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Triple Porosity Model and Its Application for Coal Seam Gas Injection Displacement of CH4
Energy Science &Engineering, EarlyView.(1)Compared with injecting CO2, injecting N2 has a shorter penetration time, but the CH4 flow rate takes longer to stabilize, meaning the displacement process lasts longer. (2)The flow rate of CH4 rapidly decreases and gradually approaches 0; the flow rates of N2 and CO2 are 0 before breakthrough, then increase rapidly and eventually stabilize.
Qingwei Zhang +2 more
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Production analysis for fractured vertical well in rectangular coal reservoirs
Oil & Gas Science and Technology, 2018 As one kind of unconventional natural gas, coalbed methane is an important energy resource that is subject to active research. Gas exists in coalbed methane reservoirs in two forms: free gas and adsorbed gas.
Li Chen, Dong Zhenzhen, Li Xiang
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Energy Science &Engineering, EarlyView.1. The synergistic effects of carbonate mineral dissolution, coal matrix drying/shrinkage, and supercritical CO2 (ScCO2)‐induced organic matter extraction collectively enhance pore/fracture connectivity, thereby significantly improving permeability. 2.
Junwen Zhou, Enguang Han
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CO2 sequestration enhances coalbed methane production [PDF]
, 2013 Since 1980s, petroleum engineers and geologists have conducted researches on Enhanced Coalbed Methane Recovery (ECBM). During this period, many methods are introduced to enhance the production of coalbed methane. One of the methods called CO2-ECBM, which
Pang, Yu
core +1 more source
Meitan kexue jishuAffected by factors such as coal resources exhaustion, elimination of outdated and excess capacity, the number of closed coal mines in Shanxi Province has increased year by year, and the evaluation and exploration of closed or abandoned coal mine coalbed
Yang WANG +6 more
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Foamed Concrete Sealing Materials for Coal Seam Gas Drainage Boreholes: A Review
Safety Science and Technology, Volume 1, Issue 4, December 2026.This study investigates the sealing performance of foamed concrete in gas drainage boreholes. By comparing leakage pathways (a, c) with sealed systems (b, d), the research demonstrates how foamed concrete effectively fills mining‐induced fractures and resists deformation.
Jiaxing Zou +6 more
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Engineering Reports, Volume 8, Issue 10, October 2026.This study reviews CO2 storage methods: geological (depleted reservoirs, saline aquifers, salt caverns, basalt), oceanic (dissolution, hydrates, phytoplankton), and biological (microalgae like Chlorella and Spirulina with 10–50× higher capture than plants; MICP by Sporosarcina pasteurii).
Mohmmadreza Alipour +3 more
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Energy Exploration & Exploitation, 2020 Wireline logging plays a critical role in coalbed methane exploration. However, the lack of crucial log data, such as neutron and sonic logs, makes coalbed methane exploration difficult.
Wan Li +4 more
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Deterministic Cost Estimation Approaches for Carbon Capture, Utilization, and Storage: A Review
Greenhouse Gases: Science and Technology, Volume 16, Issue 5, Page 835-859, October 2026.ABSTRACT Carbon capture, utilization, and storage (CCUS) is regarded as a connection between traditional, high‐emission sectors and future green energy. This study encompasses literature from 2003 to early 2026 to review methodologies and formulae used for cost estimating in the various segments of carbon capture, transport, utilization, and storage ...
Majid Mohajeri, Saman Azadbakht
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