CASING STRING CENTRALISER WITH VARIED GEOMETRY

FIELD: mining.SUBSTANCE: in a casing string centraliser with varied geometry, comprising a vessel and centralising elements from elastic material rigidly fixed on the vessel, having an inner cavity, arranged along a spiral on the vessel surface. The inner cavity of the centralising elements is fille...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AGZAMOV FARIT AKRAMOVICH, TIKHONOV MIKHAIL ALEKSEEVICH, KARIMOV IL'SHAT NAZIFOVICH
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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