ACCELEROMETER CALIPER WHILE DRILLING

ACCELEROMETER CALIPER WHILE DRILLING

An accelerometer caliper while drilling arrangement comprising a drill b it 10 having an axis 12 of rotation and a gauge region 14, a caliper tool body 20, a first accelerometer 24 mounted upon the caliper tool body 20 and arranged to measure acceleration in a first direction 25, and a second accele...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BOUCHER, MARCEL L, MCCARTHY, TIM, JARVIS, BRIAN P
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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Beschreibung
Zusammenfassung:An accelerometer caliper while drilling arrangement comprising a drill b it 10 having an axis 12 of rotation and a gauge region 14, a caliper tool body 20, a first accelerometer 24 mounted upon the caliper tool body 20 and arranged to measure acceleration in a first direction 25, and a second accelerometer 28 mounted upon the caliper tool body 20 and arranged to measure acceleration i n a second direction 29 orthogonal to the first direction 25, wherein the caliper tool body 20 and the drill bit 10 are coupled to one another in such a manner tha t the first and second accelerometers 24, 28 are mounted in a known relationship t o the drill bit 10.