Experimental study and field application of hydraulic flushing technology in soft coal seam [PDF]
Scientific ReportsTo enhance the safety of coal mining operations and improve the efficiency of gas extraction, hydraulic flushing technology has been widely used in low permeability coal seams.
Xun Zhao +7 more
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Hydraulic Flushing of Sediment in Reservoirs: Best Practices of Numerical Modeling
FluidsThis article provides a comprehensive review and best practices for numerically simulating hydraulic flushing for reservoir sediment management. Three sediment flushing types are discussed: drawdown flushing, pressure flushing, and turbidity current ...
Yong G. Lai +2 more
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Application of Acoustic Emission Technique to the Evaluation of Coal Seam Hydraulic Flushing Effect
Energies, 2019 Hydraulic flushing has the advantages of reducing coal stress and improving coal seam permeability, so it is widely used in high gas outburst coal seams in China.
Rongxi Shen +5 more
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Numerical simulation study on gas drainage by interval hydraulic flushing in coal seam working face
Energy Exploration & Exploitation, 2021 In order to solve the problem of difficult gas extraction in coal mine, a method of gas extraction from coal seam by interval hydraulic flushing is put forward.
Shengrong Xie +3 more
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Morphological Characteristics of Hydraulic Flushing under Multifactor Coupling and Its Enlightenment
Geofluids, 2022 The shape of the hydraulic flushing hole is an important basis to determine the effective pumping radius. In the design and evaluation of the drilling hole, it is usually equivalent to a cylinder.
Xiao Liu +5 more
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Hydraulic flushing in soft coal sublayer: Gas extraction enhancement mechanism and field application
Energy Science & Engineering, 2019 In China, one or several ultrathin soft coal sublayers are widely developed in the coal seam. Therefore, a method of using hydraulic flushing in soft sublayer to enhance the gas extraction in these particular coal seams is developed in this work.
Hao Zhang +4 more
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Life Cycle Assessment of Microplastic Fouling Mitigation Strategies in Membrane Filtration [PDF]
MembranesWhile membrane technologies are critical for preventing microplastics (MPs) release into aquatic ecosystems, MPs-induced fouling remains a persistent bottleneck, necessitating energy-intensive cleaning strategies that introduce their own environmental ...
Rendra Hakim Hafyan +3 more
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Numerical investigation of bed-load changes on sediment flushing cavity [PDF]
Journal of Hydraulic Structures, 2023 The tanks' useful life will be reduced if their sediments are not discharged with a suitable method. Various hydraulic and mechanical methods can be used in many countries to discharge sediments from reservoirs.
Reza Nematzadeh +2 more
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Removal of hydrocarbons from heterogenous soil using electrokinetics and surfactants
Environmental Challenges, 2021 Removal of hydrocarbons from sediments could be achieved using various techniques such as hydraulic flushing aided by surfactants, which works well for sand and gravel but not as effective for finer textured media, such as clay.
Meghana Parameswarappa Jayalakshmamma +7 more
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Pressure relief law and application of deep-buried high-stress bedding coal by hydraulic flushing
Gong-kuang zidonghua, 2022 In order to solve the problem of the high risk of coal and gas outburst in deep coal working face, taking 12090 working face of Shoushan No.1 Coal Mine as the engineering background, the paper analyzes the deformation and stress variation law of coal ...
ZHANG Jianguo, ZHAI Cheng
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