SEAL ARRANGEMENT, METHOD, AND SYSTEM

A seal arrangement includes a body having a face seal, and a flexible arm extending from the body. The arm includes a contact seal. A flapper valve, includes a housing, a flapper and a flapper seat. The flapper seat includes a body having a face seal positioned to make sealing contact with the flapp...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YATES, Chad, ALVAREZ, Miguel, BURRIS, John, SNITKOFF, Joshua Raymond
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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