DEVICE FOR OBTAINING GROUND SAMPLES OR CORES

1,206,676. Boring earth &c. INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS. 8 March, 1968 [9 March, 1967], No. 11444/68. Heading E1F. In coring apparatus comprising a body 1, a core barrel 8, and a plug 9 within the barrel and having cutters 30, the plug is fixed to the barrel during...

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Hauptverfasser:	WLADIMIR TIRASPOLSKY, ROGER ROUVIERE, YVES WILLM
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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