Lifting operation well mouth oil tube centralizer

The utility model discloses a lifting operation well mouth oil tube centralizer. The lifting operation well mouth oil tube centralizer comprises a balance base, a cylindrical supporting rod, a bevel gear turbine, a driving motor, a rotary supporting bearing base, a connecting rotation pin roll, a sq...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI XIAOHONG, JIANG ZIYIN, MA HAONAN, YU WENPING, XING ZHANLONG
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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