The Chinese-made QYJ III type fully-mechanized system and the QY 200-14/31 type shield support are investigated. This set of mining machinery has been demonstrated in the Songzao Coal Mine Administration for six months. The average monthly output is 38,386 tons and the average productivity reaches 18. 8 tons per man-shift. The price of the whole set is lower than 5 million yuans, amounting to 71. 4% of the price for the same sort of Chinese-made equipment.
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Tech Univ Dresden, Fac Business & Econ, Chair Energy Econ, D-01069 Dresden, GermanyTech Univ Dresden, Fac Business & Econ, Chair Energy Econ, D-01069 Dresden, Germany
Hinz, Fabian
Moest, Dominik
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Tech Univ Dresden, Fac Business & Econ, Chair Energy Econ, D-01069 Dresden, GermanyTech Univ Dresden, Fac Business & Econ, Chair Energy Econ, D-01069 Dresden, Germany
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Well Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United StatesWell Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United States
Khankishiyev, Orkhan
Salehi, Saeed
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Well Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United StatesWell Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United States
Salehi, Saeed
Vivas, Cesar
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Well Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United StatesWell Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United States
Vivas, Cesar
Nygaard, Runar
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Mewbourne School of Petroleum and Geological Engineering, The University of Oklahoma, 100 Boyd Street, Norman,OK,73069, United StatesWell Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United States
Nygaard, Runar
Rehg, Danny
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Criterion Energy Partners, 808 Travis Street, Houston,TX,77002, United StatesWell Construction Technology Center, The University of Oklahoma, 1101 Lexington Ave, Norman,OK,73069, United States