Oil nozzle sleeve for high-pressure oil-gas well

The utility model discloses an oil nozzle sleeve for a high-pressure oil-gas well, which comprises a body, an oil nozzle sleeve channel arranged on the body, an oil nozzle accommodating channel arranged at one section of the upper end of the oil nozzle sleeve channel, a contraction channel arranged...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU SHOUCHAO, SUN TONGCHENG, ZHANG ZHIGANG, ZHANG JIANGJIANG, LIANG HONGYUN, TANG ZHI
Format:	Patent
Sprache:	chi ; 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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