HOISTING EQUIPMENT FOR OPERATION OF WELLS

FIELD: mining industry. SUBSTANCE: equipment can be used for operation of gas and oil wells. Hoisting facility has body. Arranged in axial passage of body is pipe connection which by its upper end is coupled to string of lift pipes. Accommodated inside body are sealing collar, axle box, and inhibiti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GNOEVYKH A.N, BARANTSEVICH STANISLAV VLADIMIROVICH, ABUBAKIROV V.F, KEJBAL A.V, KABANOV N.I, TUGUSHEV R.SH
Format:	Patent
Sprache:	eng
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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