PROCEDURE FOR SEALING HEAD WITH SPLIT STRING

FIELD: gas and oil production. ^ SUBSTANCE: in cylinder boring of press-on reel there is installed packing unit consisting of support ring, of self-packing rubber collar in form of non-split ring, of press-on ring with internal conic surface, of split ring with external conic surface conjugated with...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BESKROVNYJ ALEKSEJ NIKOLAEVICH, PETIN VLADISLAV ALEKSANDROVICH, SOLOMAKHIN VLADIMIR BORISOVICH, KUZNETSOV VIKTOR GENAD'EVICH, MATVEEV VIKTOR MIKHAJLOVICH
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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