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Publication numberWO2010115146 A3
Publication typeApplication
Application numberPCT/US2010/029840
Publication date13 Jan 2011
Filing date2 Apr 2010
Priority date2 Apr 2009
Also published asCA2773336A1, CA2773336C, US8439136, US20100252332, WO2010115146A2
Publication numberPCT/2010/29840, PCT/US/10/029840, PCT/US/10/29840, PCT/US/2010/029840, PCT/US/2010/29840, PCT/US10/029840, PCT/US10/29840, PCT/US10029840, PCT/US1029840, PCT/US2010/029840, PCT/US2010/29840, PCT/US2010029840, PCT/US201029840, WO 2010/115146 A3, WO 2010115146 A3, WO 2010115146A3, WO-A3-2010115146, WO2010/115146A3, WO2010115146 A3, WO2010115146A3
InventorsMark L. Jones, Kenneth M. Curry
ApplicantNewtech Drilling Products, Llc.
Export CitationBiBTeX, EndNote, RefMan
External Links: Patentscope, Espacenet
Drill bit for earth boring
WO 2010115146 A3
Abstract
Embodiments of the present invention include a drill bit configured for boring holes or wells into the earth. Embodiments include a drill bit comprised of a plurality of blades. A first plurality of the blades has cutting elements positioned substantially within the cone section of the drill bit. A second plurality of blades has cutting elements positioned substantially within the blade flank section and the blade shoulder section. Another embodiment of the first plurality of blades in which the blades end or truncate at a radial distance substantially less than the radial distance of the blade shoulder section from the center of the drill bit.
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US4714120 *23 Apr 198722 Dec 1987Hughes Tool CompanyDiamond drill bit with co-joined cutters
US4907662 *13 Aug 198713 Mar 1990Reed Tool CompanyRotary drill bit having improved mounting means for multiple cutting elements
US5607025 *5 Jun 19954 Mar 1997Smith International, Inc.Drill bit and cutting structure having enhanced placement and sizing of cutters for improved bit stabilization
Classifications
International ClassificationE21B10/54, E21B10/18, E21B10/62
Cooperative ClassificationE21B10/55
European ClassificationE21B10/55
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