DUAL TUBE DRILL STRING COMPONENTS

DUAL TUBE DRILL STRING COMPONENTS

A drill string component having a central axis can comprise an outer tube having a pin end and a box end. The outer tube can define an inner bore. An inner tube can be disposed within the inner bore of the outer tube. The inner tube can defines an inner bore. A plurality of rolling elements can be d...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: BRUBACHER, Adrian, DRENTH, Christopher 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
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A drill string component having a central axis can comprise an outer tube having a pin end and a box end. The outer tube can define an inner bore. An inner tube can be disposed within the inner bore of the outer tube. The inner tube can defines an inner bore. A plurality of rolling elements can be disposed between the outer tube and the inner tube. The wall thickness of each of the outer tube and the inner tube can be less than 1/4 inch.