Roller cone drill bit with cleaning nozzles

A rotary cone rock bit comprises one or more hole cleaning nozzles and one or more bit cleaning nozzles, the hole cleaning nozzle 1260 defining a projected fluid path disposed at a lateral angle of less than six degrees, the bit cleaning nozzle 1240, 1250 defining a projected fluid path fluid dispos...

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Bibliographic Details
Main Authors JAMES L LARSEN, DWAYNE P TERRACINA, SYED HOSSAIN
Format Patent
LanguageEnglish
Published 08.06.2005
Edition7
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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Summary:A rotary cone rock bit comprises one or more hole cleaning nozzles and one or more bit cleaning nozzles, the hole cleaning nozzle 1260 defining a projected fluid path disposed at a lateral angle of less than six degrees, the bit cleaning nozzle 1240, 1250 defining a projected fluid path fluid disposed at a lateral angle of at least six degrees, the nozzles 1240, 1250, 1260 being closer to the gage diameter than to the central axis of the bit body.
Bibliography:Application Number: GB20040026396