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FU R PRAKTISCHE LAGERSTATTENFO
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FU R PRAKTISCHE LAGERSTATTENFO
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Application filed by FU R PRAKTISCHE LAGERSTATTENFOfiledCriticalFU R PRAKTISCHE LAGERSTATTENFO
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Publication of FR882937ApublicationCriticalpatent/FR882937A/fr
E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
E21B49/005—Testing the nature of borehole walls or the formation by using drilling mud or cutting data
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FR882937D1939-05-241942-06-06Procédé d'exploration ou de prospection de gisements de bitume
ExpiredFR882937A
(fr)