METODO E APARELHO PARA A PENETRACAO DE UM TUBO DE SONDAGEM ATRAVES DE SOBRECARGA SENSIVEL OU ESTRUTURAS SENSIVEIS

The present invention relates to a method and a device for driving down casings (2) through sensible overburden or sensible structures, making use of a drilling device (1) activated by compressed air that at the lower part of the drilling device (1) is led through exhaust channels (14, 142) in such...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SVEN-ERICK BJERKING, SVEN-GORAN ANDERSSON
Format:	Patent
Sprache:	por
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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