Sub-surface release plug system

Sub-surface release plug system

A plug mandrel has a body; a bore; an adjustable sleeve 120 to prevent fluid from flowing through a port 118, fig 4; a first channel portion 110 and an insert 108c, fig 2 connected to the plug body and having a second portion of the channel. Also claimed is a subsurface release plug system incorpora...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Marcel Budde
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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Beschreibung
Zusammenfassung:A plug mandrel has a body; a bore; an adjustable sleeve 120 to prevent fluid from flowing through a port 118, fig 4; a first channel portion 110 and an insert 108c, fig 2 connected to the plug body and having a second portion of the channel. Also claimed is a subsurface release plug system incorporating the plug mandrel and a method of operating a subsurface plug system where there is a protrusion 148, fig 4 disposed in a second longitudinal channel of an insert.