DOWNHOLE ANTIFLIPPING DEVICE

FIELD: mining, particularly to lower downhole tool or instrument connected to haulage rope in well, for instance to lower descaling means in productive gas or oil well. ^ SUBSTANCE: device comprises lower member to be connected to tool, upper member to be fastened to haulage means and central member...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOZLOVSKIJ STANISLAV MARTYNOVICH, VISHNJAKOV ALEKSANDR NIKOLAEVICH
Format:	Patent
Sprache:	eng ; rus
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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