PETROLEUM EXTRACTION + WORKING OF MINERAL OIL DEPOSITS (MINING)
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BTMINING METHODS + METHODS OF WORKING (MINING)
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UDC622.276
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Descriptor GERERDÖLLAGERSTÄTTENABBAU UND ERDÖLGEWINNUNG (BERGBAU)
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Descriptor ENGPETROLEUM EXTRACTION + WORKING OF MINERAL OIL DEPOSITS (MINING)
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Descriptor FREEXPLOITATION DE GISEMENTS D'HUILE MINÉRALE + EXTRACTION DU PÉTROLE (INDUSTRIE MINIÈRE)
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Variant GERERDÖLFÖRDERUNG (BERGBAU)
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Variant GERERDÖLLAGERSTÄTTENABBAU (BERGBAU)
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Variant GERERDÖLGEWINNUNG (BERGBAU)
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Variant ENGWORKING/MINERAL OIL DEPOSITS (MINING)
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Variant ENGPETROLEUM/MINING, PETROLEUM EXTRACTION (MINING)
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Variant ENGPETROLEUM EXTRACTION/MINING, PETROLEUM EXTRACTION (MINING)
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Variant FREEXPLOITATION/DES GISEMENTS DE PÉTROLE (INDUSTRIE MINIÈRE)
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Variant FREEXTRACTION DU PÉTROLE (INDUSTRIE MINIÈRE)
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Variant FREPÉTROLE/EXTRACTION DU PÉTROLE (INDUSTRIE MINIÈRE)(INDUSTRIE MINIÈRE)
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NTPETROLEUM EXTRACTION FROM THE STRATA (MINING)
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NTPETROLEUM AND GAS FIELDS APPRAISAL (MINING)
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NTOIL TREATMENT IN THE FIELD (MINING)
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NTPETROLEUM EXTRACTION BY MICROBIAL ENHANCEMENT (MINING)
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NTPETROLEUM EXTRACTION BY FLOW OF OIL FROM BOREHOLE UNDER NATURAL PRESSURE (MINING)
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NTPETROLEUM EXTRACTION/SECONDARY RECOVERY, ARTIFICIAL PRESSURE (MINING)
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NTPETROLEUM EXTRACTION BY STIMULATING METHODS + TERTIARY PROCESSES + INFLUENCING THE WELL AREA + BOREHOLE TREATMENT(MINING)
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NTPUMPING EQUIPMENT AND APPARATUS (MINING)