Results 31 to 40 of about 588,838 (198)
Impact of Dynamic Elastic Modulus on Coal Permeability: Modeling and Analysis
Coalbed methane is a kind of high-quality clean energy. The underground gas drainage can achieve the efficient utilization of coalbed methane. Permeability is the key factor affecting gas drainage.
Jia Kong +4 more
doaj +1 more source
Research on prediction of bottom hole flowing pressure for vertical coalbed methane wells based on improved SSA-BPNN [PDF]
Coalbed methane resources are extensively developed using vertical wells, with controlled-pressure and controlled-water drainage systems. The flowing bottom hole pressure is a crucial parameter in the design of drainage schemes and equipment selection ...
YU Yang, DONG Yintao, LI Yunbo, BAO Yu, ZHANG Lixia, SUN Hao
doaj +3 more sources
Inspirations of typical commercially developed coalbed methane cases in China
The coalbed methane resources in China are characterized by wide geographical distribution, large time span, significant quality differences and complex coal-forming conditions, thus establishing a coalbed methane development system suitable for ...
Yong LI +6 more
doaj +1 more source
Hydrological control mode and production characteristics of coalbed methane field in Shouyang Block
The relationship between groundwater replenishment, runoff and discharge to the coal seam affects not only the degree of coalbed methane (CBM) enrichment, but also the gas production characteristics of CBM wells.
Fengfeng DU +4 more
doaj +1 more source
3D Visualized Technique for Coalbed Methane Integrated Surface and Underground Drainage
According to the different features of 3D elements in the coalbed methane (CBM) surface and underground drainage system in the coal mining area, and adopting the 3DMAX static modeling of the drainage equipment and the dynamic modeling of the geological body based on the borehole data, the 3D model of the CBM drainage element in coal mining area is ...
openaire +2 more sources
Foamed Concrete Sealing Materials for Coal Seam Gas Drainage Boreholes: A Review
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
wiley +1 more source
Methanogen consortium metabolism characteristic analysis of Illinois basin by real time monitor method [PDF]
Microbially Enhance Coalbed Methane technology is used to improve methane content in coalbeds. The methanogen consortium metabolism process is the basic avenue for MECoM to yield methane with some organic compounds in coal. Detailed information about the
Enyuan Wang, Dong Xiao
core
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang +5 more
wiley +1 more source
Accurate classification of drainage and extraction reservoir types of coalbed methane wells can lay a foundation for the study of pressure propagation in drainage process. Taking 3# coal seam of Changcun Mine Field as the research object, the main parameters affecting the conductivity of coal reservoir and the recharge capacity of surrounding rock in ...
DU Fengfeng +4 more
openaire +1 more source

