DEVICE FOR MOUNTING PROFILED OVERLAPPING MEANS IN WELL

FIELD: oil industry. ^ SUBSTANCE: device has serially connected assemblies, including bodies, central passing channels and dies. Rods are placed in central passing channels and interacts with dies by means of pushers. Dies are fixed in slanting grooves of body. Rods of upper assemblies are spring-lo...

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Bibliographische Detailangaben
Hauptverfasser:	IBATULLIN R.R, JAGAFAROV A.S, KAVEEV KH.Z, VIL'DANOV N.N, KHAMIT'JANOV N.KH, JUNYSHEV L.V, ABDRAKHMANOV R.G, ABDRAKHMANOV G.S, JUSUPOV I.G, KIRSHIN A.V
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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Beschreibung
Zusammenfassung:	FIELD: oil industry. ^ SUBSTANCE: device has serially connected assemblies, including bodies, central passing channels and dies. Rods are placed in central passing channels and interacts with dies by means of pushers. Dies are fixed in slanting grooves of body. Rods of upper assemblies are spring-loaded to hold dies in non-operating position, and of lower ones - to force dies to operating position. ^ EFFECT: higher reliability and efficiency. ^ 2 cl, 5 dwg