METHOD AND DEVICE FOR MOVING A TUBE IN A BOREHOLE IN THE GROUND

A method for displacing a tube (1) in a bore- hole (2) in the ground (3) is disclosed. The tube is simulta- neously displaced along and about its axis, such that it is axi- ally introduced into or retracted from the borehole. According to the invention, displacing the composed tube about its axis co...

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Bibliographische Detailangaben
1. Verfasser:	BAKKER, THOMAS WALBURGIS
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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Beschreibung
Zusammenfassung:	A method for displacing a tube (1) in a bore- hole (2) in the ground (3) is disclosed. The tube is simulta- neously displaced along and about its axis, such that it is axi- ally introduced into or retracted from the borehole. According to the invention, displacing the composed tube about its axis comprises an oscillating movement. The invention further re- lates to a device for displacing a tube in a borehole.