SEALED JAR

A device (500) has a first, lower sub housing (112), a second, upper sub housing (102), and an extensible joint (110) connecting the lower sub housing (112) to the upper sub housing (102). A pressure equalization chamber (502) is attached to the upper sub housing (102) and demarcates an inner zone (...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HRADECKY, JASON, A, SAVILLE, JOHN, EDWARD
Format:	Patent
Sprache:	eng ; fre
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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