Results 1 to 10 of about 309,171 (269)

The status and development strategy of coalbed methane industry in China

open access: yesPetroleum Exploration and Development, 2023
To achieve the goals of carbon peaking and carbon neutrality under the backgrounds of poor resource endowments, weak theoretical basis and other factors, the development of the coalbed methane industry of China faces many bottlenecks and challenges. This
Fengyin XU   +13 more
doaj   +4 more sources

Investigation into the variation characteristics and influencing factors of coalbed methane gas content in deep coal seams. [PDF]

open access: yesSci Rep
Gas saturation is a critical parameter for the selection and development of coalbed methane, as well as a key indicator reflecting the challenges in coalbed methane development and productivity evaluation of coalbed methane wells.
Zhu Q, Du X, Zhang T, Yu H, Liu X.
europepmc   +2 more sources

Multiscale Fracturing in Medium- to Low-Rank Coals and Its Implications on Coalbed Methane Production in the Baode Area, Eastern Ordos Basin, China

open access: yesGeofluids, 2022
Coal fractures are crucial in affecting the production of methane from coal. Multiscale fracturing and its implications on coalbed methane production have still not been fully understood.
Wei Zhang   +6 more
doaj   +1 more source

Research on support vector machine method for comprehensive evaluation after compression [PDF]

open access: yesE3S Web of Conferences, 2020
Hydraulic fracturing is one of the important measures to increase production of oil and gas reservoirs. Pressure after the assessment of the existing technology is usually divided into direct and indirect diagnosis of hydraulic fracture. The diversity of
Chengwang Wang   +3 more
doaj   +1 more source

Quantitative Prediction of Deep Coalbed Methane Content in Daning-Jixian Block, Ordos Basin, China

open access: yesProcesses, 2023
The potential of deep coalbed methane resources is substantial. Gas content is an important parameter for resource assessment. At present, the gas content test method commonly used for shallow coal reservoirs is not suitable for determining deep coalbed ...
Zheyuan Ouyang   +10 more
semanticscholar   +1 more source

Recalculation and understanding of middle and low rank coalbed methane reserves: a case study of Baode Coalbed Methane Field on the eastern edge of Ordos Basin

open access: yesShiyou shiyan dizhi, 2020
The Baode Coalbed Methane Field is located in the northern section of Jinxi Flex Belt on the eastern edge of Ordos Basin. It is a typical coal seam gas field of middle and low ranks.
Lei ZHANG   +7 more
doaj   +1 more source

Optimization of drilling system for CBM horizontal wells in Zhengzhuang Block of Qinshui Basin

open access: yesMeitan kexue jishu, 2023
Zhengzhuang block is located in the southwest of Qinshui Basin. The main gas producing horizons are No.3 coal of Shanxi Formation and No.15 coal of Taiyuan formation. The occurrence characteristics and gas bearing properties of coal seams in the area are
Guishan LI   +4 more
doaj   +1 more source

South Anze Structure and Its Control on Coalbed Methane Aggregation in the Qinshui Basin and the Mechanism of Syncline Gas Enrichment in the Qinshui Basin

open access: yesEnergies, 2023
The phenomenon of coalbed-methane synclinal accumulation in the Qinshui Basin has been widely reported, but it has mainly been observed in the core block of the Qinshui Syncline.
Bo Wang   +3 more
semanticscholar   +1 more source

Drilling and completion technologies of coalbed methane exploitation: an overview

open access: yesInternational Journal of Coal Science & Technology, 2022
Coalbed methane (CBM) drilling and completion technologies (DCTs) are significant basis for achieving efficient CBM exploration and exploitation. Characteristics of CBM reservoirs vary in different regions around the world, thereby, it is crucial to ...
Tianshou Ma   +3 more
semanticscholar   +1 more source

Research on directional drilling technology for superimposed “three zones” passing through goaf

open access: yesMeitan kexue jishu, 2023
Guizhou has a large amount of coal resources, which have been mined for a long period of time, resulting in the formation of a large area of goaf. There is a large amount of coalbed methane resources in the goaf, but the exploitation and utilization rate
Yi LOU   +5 more
doaj   +1 more source

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