sistema e método de perfuração com cabo

A device and a method for seabed and water bottom drilling, core sampling and measuring, include a vertically movable and horizontally fixed cross beam, a winch fixed to the cross beam and having a rope wound thereon, a drill head disposed on the cross beam, a spindle having a bore formed therein an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Peter Nellessen Jr, Allan Spencer, Gregory Ham
Format:	Patent
Sprache:	por
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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