Apparatus and method for continuous flowing drilling fluid along a drillstring

An apparatus for continuously flowing drilling fluid along a drill string includes a continuous circulation device having at least a first fluid path in fluid communication with a top drive and a second fluid path in communication with a diverter. The diverter is in selective fluid communication wit...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MacPherson, John D, Brecher, Charles A, Krueger, Volker, Blue III, Daniel Duncan
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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