DEVICE FOR THREAD CUTTING ON PIPES AT WELL HEAD

FIELD: mining.SUBSTANCE: access to adjusting screws of the device assembly is provided; rotary drive of tool head about the well axis is performed with two hydraulic motors. Hydraulic motors are located diametrically opposite to each other. They ensure the alignment of cutting forces at turning of c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PETIN VLADISLAV ALEKSANDROVICH, KUZNETSOV VIKTOR GENAD'EVICH, MATVEEV VIKTOR MIKHAJLOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS THREAD CUTTING TRANSPORTING WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTIONTHEREWITH
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