Down-Hole Swivel Sub

The present disclosure relates to a down-hole swivel sub (10) for connection in a work-string between a work-string and a down-hole apparatus, the sub comprising a first substantially cylindrical body (12) with a sleeve portion (22), a second substantially cylindrical body (28) being partially locat...

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Bibliographische Detailangaben
Hauptverfasser:	POLLOCK IAN, MARR GRAEME THOMAS, HANTON JOHN, HYLAND ROSS
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:	The present disclosure relates to a down-hole swivel sub (10) for connection in a work-string between a work-string and a down-hole apparatus, the sub comprising a first substantially cylindrical body (12) with a sleeve portion (22), a second substantially cylindrical body (28) being partially located within the sleeve portion (22) and the bodies being arranged to rotate relative to each other; and a clutch (90) disposed between said first and second substantially tubular bodies.