Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent
1998-01-27
2000-01-04
Bagnell, David
Boring or penetrating the earth
With means movable relative to tool to receive, retain, or...
Core-retaining or severing means
175254, E21B 2514
Patent
active
060099607
ABSTRACT:
A coring assembly comprising a body securable at its upper end to a mandrel add at its lower end to a core catcher housing, a ball sleeve slidably disposed about said mandrel and moveable between a first and a second position, a ball closure valve disposed in said body and moveable with said mandrel between the first and second position, the combination operable to remotely cut and collect a loosely consolidated core sample.
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"Posiclose" Brochure, Security DBS No Date.
Clemens Gary W.
Clifton Terry P.
Edmonson Clarence D.
Leitko, Jr. Curtis E.
Bagnell David
Diamond Products International Inc.
Kreck John
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