SEAL ARRANGEMENT

A sealing method and sealing arrangement is described. The sealing arrangement comprises a body and first and second sealing elements mounted thereon. The sealing elements are each movable between a retracted configuration and an extended configuration and are configured to move from the retracted c...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MOYES, PETER B
Format:	Patent
Sprache:	eng ; fre
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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