SELF RELIEVING SEAL

Self relieving seals of this invention comprise an elastomeric seal body having a first sealing surface and a second sealing surface for contact with respecti ve drill bit sealing surfaces. The seal includes a pair of external surfaces that each extend alo ng the seal body between the first and seco...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LOCKSTEDT, ALAN, SIRACKI, MICHAEL, LARSEN, JAMES L, NEVILLE, JAMES L, CARIVEAU, PETER T, BANDI, MANIKIRAN, GRIFFO, ANTHONY, WHITE, ALYSIA C, PETERSON, STEVEN W
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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