Core of water injection mandrel

A water distributor core using for an oil field water injection technology comprises an upper contact, an upper caky cap, an upper sealing sleeve, an upper spacer ring, a main body, a water distribution nozzle, a lower spacer ring, a lower sealing sleeve, a lower caky cap and a lower contact. The up...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIWEN MA, ZHIGANG SUN, RENHUA FU
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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