ENHANCED BACKUP RING FEATURES FOR METAL FACE SEAL IN ROLLER CONE DRILL BITS

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Bibliographic Details
Main Authors KOLTERMANN, TERRY, J, ZAHRADNIK, ANTON, F, FLORES, ALEJANDRO, RICKS, GREGORY, L, LIN, CHIH
Format Patent
LanguageEnglish
Published 29.09.2015
Subjects
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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Bibliography:Application Number: SG11201506256R