(19)
(11) EP 2 313 596 A2

(12)

(88) Date of publication A3:
25.02.2010

(43) Date of publication:
27.04.2011 Bulletin 2011/17

(21) Application number: 09763487.7

(22) Date of filing: 10.06.2009
(51) International Patent Classification (IPC): 
E21B 10/46(2006.01)
B22F 3/14(2006.01)
E21B 10/54(2006.01)
(86) International application number:
PCT/US2009/046814
(87) International publication number:
WO 2009/152197 (17.12.2009 Gazette 2009/51)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 13.06.2008 US 139138

(71) Applicant: Baker Hughes Incorporated
Houston, TX 77027 (US)

(72) Inventor:
  • LYONS, Nicholas, J.
    The Woodlands TX 77380 (US)

(74) Representative: Hano, Christian et al
v. Füner Ebbinghaus Finck Hano Patentanwälte Mariahilfplatz 3
81541 München
81541 München (DE)

   


(54) METHODS FOR SINTERING BODIES OF EARTH BORING TOOLS AND STRUCTURES FORMED DURING THE SAME