Off-line mud circulation during lithosphere drilling

During the drilling of a bore hole in the litosphere, mud is fed to a drill string (2) via a mud circulation structure and canalized through the drill string (2) to a distal end of the drill string (2). Each time the drill string (2) has progressed into the litosphere over a predetermined distance,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	THOMAS WALBURGIS BAKKER, GUSTAAF LOUIS VAN WE
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!