Mathematical Description of Gas Drainage Radius for Underground Gas Storage
Sign Up to like & getrecommendations! Published in 2018 at "Chemistry and Technology of Fuels and Oils"
DOI: 10.1007/s10553-018-0952-5
Abstract: Most underground gas storage in China encounters the problem of evaluating gas drainage. In order to evaluate the gas reservoir parameters, we propose a mathematical model for calculating the gas drainage radius. The model describes… read more here.
Keywords: drainage radius; gas drainage; gas; drainage ... See more keywords
Improvement on gas drainage of soft gassy coal seam with underground hydraulic flushing and fracturing: a case study in Huainan
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-020-5200-8
Abstract: The low gas drainage efficiency of soft coal seam is a key factor that induces gas disasters, such as gas explosion and outburst, in China. This study aims to improve the gas drainage efficiency of… read more here.
Keywords: coal; coal seam; gas drainage;
An integrated drilling, protection and sealing technology for improving the gas drainage effect in soft coal seams
Sign Up to like & getrecommendations! Published in 2020 at "Energy Reports"
DOI: 10.1016/j.egyr.2020.07.017
Abstract: Abstract There are many problems within drilling in soft and broken coal seams, such as borehole collapse, borehole air leakage, CO Toxic gas generated during borehole construction, coal dust pollution to the working environment and… read more here.
Keywords: coal; protection; technology; gas drainage ... See more keywords
A case study of gas drainage to low permeability coal seam
Sign Up to like & getrecommendations! Published in 2017 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2017.05.014
Abstract: Abstract Gas drainage at low gas permeability coal seam is a main barrier affecting safety and efficient production in coal mines. Therefore, the research and application of drainage technology at low permeability coal seam is… read more here.
Keywords: coal seam; gas drainage; gas; drainage ... See more keywords
Experimental and measured research on three-dimensional deformation law of gas drainage borehole in coal seam
Sign Up to like & getrecommendations! Published in 2020 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2020.04.001
Abstract: Abstract Using self-researched gas drainage borehole stability dynamic monitoring device, three-dimensional deformation characteristics of borehole under steady vertical load were researched experimentally and systematically. This research indicated that under the action of steady loading, the… read more here.
Keywords: strain; drainage borehole; borehole; gas drainage ... See more keywords
Simulation investigation of N2-injection enhanced gas drainage: Model development and identification of critical parameters
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.04.016
Abstract: Abstract The performance of pre-gas drainage in low permeable seams especially in CO 2 abundant coal seams is not satisfactory. Due to the high affinity of coal to CO 2 , much lead time is… read more here.
Keywords: coal; coal seam; gas; gas drainage ... See more keywords
Experimental study and field verification of stability monitoring of gas drainage borehole in mining coal seam
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2020.106985
Abstract: Abstract Gas drainage through boreholes can effectively reduce gas disasters and significantly promote the efficient drainage and clean utilization of gas during mining activities. Gas drainage boreholes will deform and fail as the mining proceeds,… read more here.
Keywords: drainage; mining coal; gas; gas drainage ... See more keywords
Non-Darcy Flow in Hydraulic Flushing Hole Enlargement-Enhanced Gas Drainage: Does It Really Matter?
Sign Up to like & getrecommendations! Published in 2018 at "Geofluids"
DOI: 10.1155/2018/6839819
Abstract: In recent years, the non-Darcy flow has seen a significant increase in interest in conventional and unconventional gas developments. The nonlinear behavior can be described by adding a quadratic term of the velocity with the… read more here.
Keywords: gas drainage; darcy flow; gas; drainage ... See more keywords
Experimental Study on the Gas Flow Characteristics and Pressure Relief Gas Drainage Effect under Different Unloading Stress Paths
Sign Up to like & getrecommendations! Published in 2020 at "Geofluids"
DOI: 10.1155/2020/8837962
Abstract: Coal seam gas is a critical substance because it can be a source of a large quantity of clean energy as well as a dangerous source of risk. A pressure relief gas drainage is an… read more here.
Keywords: gas drainage; relief gas; gas; pressure relief ... See more keywords
Evaluation of gas drainage and coal permeability improvement with liquid CO2 gasification blasting
Sign Up to like & getrecommendations! Published in 2018 at "Advances in Mechanical Engineering"
DOI: 10.1177/1687814018768578
Abstract: With the increasing mining depths of underground coal mines, gas drainage and coal permeability improvement with conventional coal seam fracture stimulating methods have shown some deficiencies. In this work, an application of liquid CO2 gasification… read more here.
Keywords: gas drainage; gas; liquid co2; coal ... See more keywords
Characterization and field application of a novel dual-liquid gas leakage material: Mechanical properties and microscopic hydration mechanism
Sign Up to like & getrecommendations! Published in 2023 at "PLOS ONE"
DOI: 10.1371/journal.pone.0284140
Abstract: Gas drainage materials are one critical aspect of preventing coal mine gas explosions. Here, a novel dual-liquid gas sealing material was developed to improve gas extraction. The mechanical properties and hydration mechanism of the proposed… read more here.
Keywords: gas; gas drainage; dual liquid; novel dual ... See more keywords