E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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Mining & Mineral Resources
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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Geochemistry & Mineralogy
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Geology
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Mechanical Engineering
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Filling Or Discharging Of Gas Storage Vessels
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Méthode et dispositif pour stimuler une zone souterraine par injection différée de fluide provenant d'une zone voisine, le long de fractures faites depuis un drain foré dans une couche intermédiaire peu perméable
Methode et dispositif pour stimuler une zone souterraine par injection controlee de fluide provenant d'une zone voisine que l'on relie a la premiere par un drain traversant une couche intermediaire peu permeable
Spatial distribution and tectonic framework of fossil tubular concretions as onshore analogues of cold seep plumbing systems, North Island of New Zealand
Origin of hydrocarbon and noble gases, carbon dioxide and molecular nitrogen in Devonian, Pennsylvanian and Miocene strata of the Polish Lublin and Ukrainian Lviv basins, southern part of the Upper Silesian Coal Basin and western part of the Carpathian Foredeep (Poland)
Quantification de la Réserve Régulatrice d’une Nappe Alluviale dans un Contexte d’Irrigation: Cas de la Vallée de Boghol dans le Massif de l’Aïr (Niger)