Title:
EARTH-BORING TOOLS HAVING FEATURES FOR AFFECTING CUTTINGS FLOW AND METHODS OF FORMING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/005890
Kind Code:
A4
Abstract:
An earth-boring bit has a bit body having a plurality of bit legs extending longitudinally therefrom, each bit leg comprising one or more groove regions formed along a laterally outer surface thereof. Each groove region comprises a fluid course for drilling fluid and cuttings to pass across the outer surface. A ridge may be disposed adjacent a lower edge of one or more of the groove regions. Each groove region may also be positioned at differing heights on the bit legs. Methods of forming earth-boring bits are also disclosed.
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| WO/1995/010684 | NEGATIVE PRESSURE VORTEX NOZZLE |
| WO/1992/004528 | METHOD AND APPARATUS FOR JET CUTTING |
| WO/1995/025875 | MILLING TOOL |
Inventors:
FLEDERHOFF FLOYD C (US)
PESSIER RUDOLPH C O (US)
MORSE YOLANDA V (US)
PESSIER RUDOLPH C O (US)
MORSE YOLANDA V (US)
Application Number:
PCT/US2009/049680
Publication Date:
June 03, 2010
Filing Date:
July 06, 2009
Export Citation:
Assignee:
BAKER HUGHES INC (US)
FLEDERHOFF FLOYD C (US)
PESSIER RUDOLPH C O (US)
MORSE YOLANDA V (US)
FLEDERHOFF FLOYD C (US)
PESSIER RUDOLPH C O (US)
MORSE YOLANDA V (US)
International Classes:
E21B10/60; E21B10/18
Attorney, Agent or Firm:
WELBORN, Brian, S, et al. (Baker Hughes IncorporatedP.O. Box 474, Houston TX, US)
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