Drill string design methodology for mitigating fatigue failure

A drill string design methodology which utilizes a "comparative approach" in the selection of drill string components. The comparative approach in accordance with the present invention can lead to dramatic reductions in fatigue-related problems. In accordance with one aspect of the inventi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ELLIS SEAN E, REYNOLDS NICHOLAS M, HILL TOM H, ZHENG NANJIU
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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