Non-rotating drill pipe protector tool having multiple types of hydraulic bearings

Non-rotating drill pipe protector tool having multiple types of hydraulic bearings

A non-rotating drill pipe protector comprising a collar for attachment to a drill pipe and a sleeve positioned around the collar wherein drilling fluid passing between flexible bearing surfaces between the collar and the sleeve which generate hydrodynamic fluid bearings in both an axial and thrust d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Sarah Banks, Norman Bruce Moore
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:A non-rotating drill pipe protector comprising a collar for attachment to a drill pipe and a sleeve positioned around the collar wherein drilling fluid passing between flexible bearing surfaces between the collar and the sleeve which generate hydrodynamic fluid bearings in both an axial and thrust direction of the drill pipe.