Downhole sampling tool and method for using same

Methods and apparatuses for sampling fluid from a subterranean formation penetrated by a wellbore are provided. The subterranean formation has clean formation fluid therein, and the wellbore has a contaminated fluid therein extending into an invaded zone about the wellbore. A shaft is extended from...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BITTLESTON SIMON H, RAMOS ROGERIO T, TARVIN JEFFREY A, POP JULIAN J, MELBOURNE ANGUS J
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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