Quickly reconfigurable core barrel head assembly

A core barrel head assembly positionable within a drill string of a drilling apparatus. The core barrel head assembly comprises an upper latch body having a latch assembly for engageably latching the drill string, and a reduced diametric portion below the latch assembly for receiving a seal member....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LAMBERT, PAUL, SALVADOR, PATRICK, GROULX, DENNIS
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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