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The status and development strategy of coalbed methane industry in China
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
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Investigation into the variation characteristics and influencing factors of coalbed methane gas content in deep coal seams. [PDF]
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.
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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
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Research on support vector machine method for comprehensive evaluation after compression [PDF]
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
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Quantitative Prediction of Deep Coalbed Methane Content in Daning-Jixian Block, Ordos Basin, China
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
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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
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Optimization of drilling system for CBM horizontal wells in Zhengzhuang Block of Qinshui Basin
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
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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
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Drilling and completion technologies of coalbed methane exploitation: an overview
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
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Research on directional drilling technology for superimposed “three zones” passing through goaf
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
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