DOWNHOLE TOOLS WITH POWER UTILIZATION APPARATUS DURING FLOW-OFF STATE

A drilling assembly for use in drilling of a wellbore is disclosed that in one non-limiting embodiment includes a device that detects a flow-off state, a power generator that generates electrical energy in response to a fluid flowing through the drilling assembly during the flow-off state, and a cir...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TEGELER, Sebastian, OHLENDORF, Ole-Hendrik, GATZEN, Matthias, BEULSHAUSEN, Falko, WIESE, Frank, KOENECKE, Andre, KLUGE, Marius
Format:	Patent
Sprache:	eng ; fre
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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