DEVICE FOR CUTTING OFF THE CASING OF DEEP-BORED WELLS ADVANTAGEOUSLY OIL ONES AFTER PLACING

The appts. comprises a cylindrical housing contg. a piston. A slanting lock is attached to the piston, such that the lock is in a groove which forms a knife holder.

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Bibliographische Detailangaben
Hauptverfasser:	FLORIAN,ZOLTAN,HU, TOEROEK,IVAN,HU
Format:	Patent
Sprache:	eng
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:	The appts. comprises a cylindrical housing contg. a piston. A slanting lock is attached to the piston, such that the lock is in a groove which forms a knife holder.