| Patent | Date |
|---|
Cutting element incorporating a cutting body and sleeve and an earth-boring tool including the cutting element
Grant 10,309,157 - DiGiovanni , et al. | 2019-06-04 |
Cutting Element Incorporating A Cutting Body And Sleeve And An Earth-boring Tool Including The Cutting Element
App 20180066478 - DiGiovanni; Anthony A. ; et al. | 2018-03-08 |
Cutting element incorporating a cutting body and sleeve and method of forming thereof
Grant 9,816,324 - DiGiovanni , et al. November 14, 2 | 2017-11-14 |
Drill bit with continuously sharp edge cutting elements
Grant 9,540,884 - Welch , et al. January 10, 2 | 2017-01-10 |
Drilling assemblies including expandable reamers and expandable stabilizers, and related methods
Grant 9,068,407 - Radford , et al. June 30, 2 | 2015-06-30 |
Methods of forming inserts and earth-boring tools
Grant 8,911,522 - Cleboski , et al. December 16, 2 | 2014-12-16 |
Cutting Element Incorporating A Cutting Body And Sleeve And Method Of Forming Thereof
App 20140299387 - DiGiovanni; Anthony A. ; et al. | 2014-10-09 |
Drill Bit With Continuously Sharp Edge Cutting Elements
App 20140223833 - Welch; Robert M. ; et al. | 2014-08-14 |
Drill bit with continuously sharp edge cutting elements
Grant 8,720,609 - Welch , et al. May 13, 2 | 2014-05-13 |
Drilling Assemblies Including Expandable Reamers And Expandable Stabilizers, And Related Methods
App 20130292175 - Radford; Steven R. ; et al. | 2013-11-07 |
Casing and liner drilling shoes having integrated operational components, and related methods
Grant 8,297,380 - Oldham , et al. October 30, 2 | 2012-10-30 |
Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods
Grant 8,225,887 - Oldham , et al. July 24, 2 | 2012-07-24 |
Casing shoes having drillable and non-drillable cutting elements in different regions and related methods
Grant 8,225,888 - Oldham , et al. July 24, 2 | 2012-07-24 |
Casing and liner drilling shoes having selected profile geometries, and related methods
Grant 8,205,693 - Oldham , et al. June 26, 2 | 2012-06-26 |
Casing and liner drilling shoes having spiral blade configurations, and related methods
Grant 8,167,059 - Oldham , et al. May 1, 2 | 2012-05-01 |
Methods Of Forming Inserts And Earth-boring Tools
App 20120005966 - Cleboski; Christopher J. ; et al. | 2012-01-12 |
Chamfered edge gage cutters and drill bits so equipped
Grant 8,061,456 - Patel , et al. November 22, 2 | 2011-11-22 |
Casing Shoes Including Cutting Elements, Cutting Elements For Earth-boring Tool, And Related Methods
App 20110266069 - Oldham; Jack T. ; et al. | 2011-11-03 |
Casing And Liner Drilling Shoes Having Spiral Blade Configurations, And Related Methods
App 20110259643 - Oldham; Jack T. ; et al. | 2011-10-27 |
Casing Shoes Having Drillable And Non-drillable Cutting Elements In Different Regions And Related Methods
App 20110259606 - Oldham; Jack T. ; et al. | 2011-10-27 |
Casing And Liner Drilling Shoes Having Selected Profile Geometries, And Related Methods
App 20110259605 - Oldham; Jack T. ; et al. | 2011-10-27 |
Casing And Liner Drilling Shoes With Portions Configured To Fail Responsive To Pressure, And Related Methods
App 20110259608 - Oldham; Jack T. ; et al. | 2011-10-27 |
Casing And Liner Drilling Shoes Having Integrated Operational Components, And Related Methods
App 20110259604 - Oldham; Jack T. ; et al. | 2011-10-27 |
Drill bit with continuously sharp edge cutting elements
Grant 8,020,641 - Welch , et al. September 20, 2 | 2011-09-20 |
Casing and liner drilling bits and reamers
Grant 8,006,785 - Oldham , et al. August 30, 2 | 2011-08-30 |
Methods Of Forming Polycrystalline Diamond Elements, Polycrystalline Diamond Elements, And Earth-boring Tools Carrying Such Polycrystalline Diamond Elements
App 20110042149 - Scott; Danny E. ; et al. | 2011-02-24 |
Drilling tool for reducing cutter damage when drilling through formation changes, and methods of design and operation thereof
Grant 7,703,558 - Sinor , et al. April 27, 2 | 2010-04-27 |
Drill Bit With Continuously Sharp Edge Cutting Elements
App 20100089661 - WELCH; Robert M. ; et al. | 2010-04-15 |
Drill Bit With Continuously Sharp Edge Cutting Elements
App 20100089664 - WELCH; Robert M. ; et al. | 2010-04-15 |
Drill Bit With Continuously Sharp Edge Cutting Elements
App 20100089649 - WELCH; Robert M. ; et al. | 2010-04-15 |
Drill Bit With Continuously Sharp Edge Cutting Elements
App 20100089658 - WELCH; Robert M. ; et al. | 2010-04-15 |
Chamfered Edge Gage Cutters, Drill Bits So Equipped, And Methods Of Cutter Manufacture
App 20090057031 - Patel; Suresh G. ; et al. | 2009-03-05 |
Drilling Tool For Reducing Cutter Damage When Drilling Through Formation Changes, And Methods Of Design And Operation Thereof
App 20080302573 - Sinor; L. Allen ; et al. | 2008-12-11 |
Drilling tool equipped with improved cutting element layout to reduce cutter damage through formation changes, methods of design and operation thereof
Grant 7,455,125 - Sinor , et al. November 25, 2 | 2008-11-25 |
Casing And Liner Drilling Bits And Reamers, Cutting Elements Therefor, And Methods Of Use
App 20080223575 - Oldham; Jack T. ; et al. | 2008-09-18 |
Casing and liner drilling bits
Grant 7,395,882 - Oldham , et al. July 8, 2 | 2008-07-08 |
Drilling tool equipped with improved cutting element layout to reduce cutter damage through formation changes, methods of design and operation thereof
App 20060185901 - Sinor; L. Allen ; et al. | 2006-08-24 |
Casing and liner drilling bits, cutting elements therefor, and methods of use
App 20050183892 - Oldham, Jack T. ; et al. | 2005-08-25 |
Rotary drag bit with enhanced hydraulic and stabilization characteristics
Grant 6,302,223 - Sinor October 16, 2 | 2001-10-16 |
Drill bits with controlled cutter loading and depth of cut
Grant 6,298,930 - Sinor , et al. October 9, 2 | 2001-10-09 |
Low friction subterranean drill bit and related methods
Grant 5,131,478 - Brett , et al. July 21, 1 | 1992-07-21 |
Imbalance compensated drill bit with hydrostatic bearing
Grant 5,111,892 - Sinor , et al. May 12, 1 | 1992-05-12 |
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