ACOUSTIC EMISSION IN DRILLING WELLS

Method of drilling a well in subterranean strata having an uneven fluid pressure distribution comprising periodically stopping drilling, observing the acoustic emission characteristics of the formation rock in the vicinity of the drill bit, and adjusting the weight of the drilling fluid to balance t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HADEN, ELARD L
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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Beschreibung
Zusammenfassung:	Method of drilling a well in subterranean strata having an uneven fluid pressure distribution comprising periodically stopping drilling, observing the acoustic emission characteristics of the formation rock in the vicinity of the drill bit, and adjusting the weight of the drilling fluid to balance the formation pressure as expressed by the acoustic emission characteristics.