FULL SLEEVE CONCENTRIC LUBRICATOR

A lubricator for receiving a reciprocating plunger has (a) an elongate lubricator body with an inner bore, a lower inlet passage and a side outlet port; (b) an upper lubricator assembly capping an upper end of the lubricator body; and (c) a sleeve extending the length of the lubricator body, and hav...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Geldenhuys, Mathys Lourens, Buttnor, Clinton Stanley
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A lubricator for receiving a reciprocating plunger has (a) an elongate lubricator body with an inner bore, a lower inlet passage and a side outlet port; (b) an upper lubricator assembly capping an upper end of the lubricator body; and (c) a sleeve extending the length of the lubricator body, and having an outside diameter smaller than an inside diameter of the inner bore, defining an annular flow passage which is in fluid communication with the side outlet port. The sleeve defines an upper hole allowing fluid communication between an inner volume of the sleeve and the annular flow passage, and a lower hole allowing fluid communication between an inner volume of the sleeve and the annular flow passage.