Apparatus for measuring bending on a drill bit operating in a well

An apparatus for measuring the bending on a drill bit operating down hole in a well may comprise at least three pockets circumferentially spaced equidistantly around the drill collar of the drill string to which the drill bit is attached. Four strain gauges are equidistantly circumferentially spaced...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	COBERN MARTIN E, WASSELL MARK ELLSWORTH, PERRY CARL ALLISON
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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