Tetningsanordning

The present invention relates to a sealing device comprising a sealing (1) which is threaded onto a sleeve (7), where the sleeve (7) is located in a base tube (11) comprising valve ports (12), and where the sealing device shall seal between the sleeve (7) and the base tube (11). The invention is cha...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	Bode, Tom Henning
Format:	Patent
Sprache:	nor
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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