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Investigation on Barail Formation Coals of Upper Assam with Reference of Coal Bed Methane (CBM)
Coal is liberally accessible energy resource utilized by mankind for its comfort. Though economical it still has unfavorable impact on the...
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Evolution and Evaluation of Coal-bed Methane in Cambay Basin, Western India: Insights from Stable Isotopic and Molecular Composition
Owing to a rapid rate of depletion of conventional energy resources and to keep pace with the ever increasing energy demand, scientists all over the...
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Geochemical and petrographical fingerprints of coal bed methane potential in the Son-valley Basin, India
The present investigation aims to evaluate the coal bed methane (CBM) potential of the Permian coal deposits in the Son-valley Basin, India, using a...
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A Comparative Study of Pre-Stack Fracture Prediction Methods for Coal Bed Methane
The No.8 coal seam in the Taiyuan Formation of the lower Permian with a burial depth greater than 2,000 m in the XX block of the eastern margin of...
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Main control factors of coalbed methane occurrence differences in adjacent coal seams - a case study of Luling coal mine, Huaibei Coalfield, China
Coalbed methane (CBM) is a natural gas resource related with coal deposits. In general, Gas status parameters gradually with the depth of the...
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Predicting the engineering sweet spot of coal-bed methane reservoirs: a case study from Central China
In this paper, a model for predicting the “sweet spots” of favorable areas of coal-bed methane (CBM) reservoirs was proposed. Four parameters were...
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A review on microbial metabolism to increase coalbed methane generation and coal pretreatment to improve its bioavailability
Abundant unminable coal in deep strata and abandoned mines are also precious sources of clean gas energy, under which biotransformation is a...
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Effect of Moisture on Time-Varying Diffusion Properties of Methane in Low-Rank Coal
AbstractHigh moisture content affecting coal bed methane (CBM) occurrence and transport is a typical feature of low-rank coal (LRC). The mechanism of...
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Contribution of Mineral Impurities to Coalbed Methane Accumulation and Retention
AbstractThe implemented research shows that coalbed gas content in face area is proportional to pyrite content of coal, calculated with respect to...
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Diffusion-seepage coupling model and its application of oil-bed gas in coal seam with overlap** resources
In order to reveal the overlap** area of coal and oil resources, the flow law and distribution characteristics of oil-bed gas in the coal seam...
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Stress sensitivity of coal reservoir and its impact on coalbed methane production in the southern Qinshui Basin, north China
Stress sensitivity has significant negative effects on the permeability and production of coalbed methane (CBM) reservoirs. To effectively minimize...
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Logging Evaluation of Coalbed Methane Reservoir and Perforation Interval Optimization
At present, the development of medium and high-rank coalbed methane (hereinafter referred to as CBM) has not yet achieved large scale benefits. One...
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Gas Generation from Coal and Coal-Measure Mudstone Source Rocks of the Xujiahe Formation in the Western Sichuan Depression, Sichuan Basin
The Triassic and Jurassic tight sandstone gas in the western Sichuan depression, Sichuan Basin has attracted much attention in recent years, and the...
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Coalbed methane desorption characteristics controlled by coalification and its implication on gas co-production from multiple coal seams
In this work, CH 4 isothermal adsorption measurements were carried out on 64 coal samples collected from western Guizhou Province of China, and the...
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Interference Analysis of Methane Co-Production from Two Coal Seams in Southern Qinshui Basin
Gas co-production has been touted to be a cost-effective way to increase the recoverable coal-bed methane (CBM) resource in multiple coal seams....
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Effect of electromagnetic field on coal seepage characteristics
To increase coal bed methane production and accurately predict gas transport in coal bed, it is important to improve the permeability and find out...
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Laboratory investigation of coal characteristics from Tikak Parbat formation of North-East India for coal bed methane study
The increasing demand for cleaner source of energy forces India to explore various energy sources, and in this process, coal bed methane gas attracts...
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Evaluation of coal reservoir coalbed methane production potential in considering different coal structures in a coal seam section: a case study of the Shizhuang North Block in the Qinshui Basin
Gas content and permeability are important parameters for the evaluation of coal reservoir gas production potential. When heterogeneity of these...
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Quantitative Characterization of Coal Cleat Pores Based on NMR and Its Application
The pore system of coal beds is dominated by matrix pores and cleat pores, and has typical dual-pore structure characteristics. Cleat pores are the...
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Geochemical characteristics, generation, and evolution mechanism of coalbed methane in the south-western Ordos Basin, China
The south-western Ordos Basin is rich in low-middle rank coalbed methane (CBM) resources; while the geochemical characteristics and genetic mechanism...