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Hybrid drill bit and design method
Grant 10,871,036 - Zahradnik , et al. December 22, 2 | 2020-12-22 |
Hybrid Drill Bit And Design Method
App 20190352971 - Zahradnik; Anton F. ; et al. | 2019-11-21 |
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
Grant 10,337,255 - DiGiovanni , et al. | 2019-07-02 |
Hybrid drill bit and design method
Grant 10,316,589 - Zahradnik , et al. | 2019-06-11 |
Formation-engaging element placement on earth-boring tools and related methods
Grant 9,920,575 - Meiners , et al. March 20, 2 | 2018-03-20 |
Cutting Elements For Earth-boring Tools, Earth-boring Tools Including Such Cutting Elements, And Related Methods
App 20160130882 - DiGiovanni; Anthony A. ; et al. | 2016-05-12 |
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
Grant 9,243,452 - DiGiovanni , et al. January 26, 2 | 2016-01-26 |
Drilling systems for cleaning wellbores, bits for wellbore cleaning, methods of forming such bits, and methods of cleaning wellbores using such bits
Grant 8,887,836 - Williams , et al. November 18, 2 | 2014-11-18 |
Formation-engaging Element Placement On Earth-boring Tools And Related Methods
App 20140332285 - Meiners; Matthew J. ; et al. | 2014-11-13 |
Hybrid Drill Bit And Design Method
App 20140202771 - ZAHRADNIK; Anton F. ; et al. | 2014-07-24 |
Hybrid drill bit and design method
Grant 8,678,111 - Zahradnik , et al. March 25, 2 | 2014-03-25 |
Cutting Elements For Earth-boring Tools, Earth-boring Tools Including Such Cutting Elements, And Related Methods
App 20130068538 - DiGiovanni; Anthony A. ; et al. | 2013-03-21 |
Drilling assemblies including one of a counter rotating drill bit and a counter rotating reamer, methods of drilling, and methods of forming drilling assemblies
Grant 8,201,642 - Radford , et al. June 19, 2 | 2012-06-19 |
Casing Bits, Drilling Assemblies, And Methods For Use In Forming Wellbores With Expandable Casing
App 20100326729 - Marvel; Timothy K. ; et al. | 2010-12-30 |
Drilling Systems For Cleaning Wellbores, Bits For Wellbore Cleaning, Methods Of Forming Such Bits, And Methods Of Cleaning Wellbores Using Such Bits
App 20100263875 - Williams; Adam R. ; et al. | 2010-10-21 |
Drilling Assemblies Including One Of A Counter Rotating Drill Bit And A Counter Rotating Reamer, Methods Of Drilling, And Methods Of Forming Drilling Assemblies
App 20100181112 - Radford; Steven R. ; et al. | 2010-07-22 |
Hybrid Drill Bit And Design Method
App 20090126998 - Zahradnik; Anton F. ; et al. | 2009-05-21 |
Compact for earth boring bit with asymmetrical flanks and shoulders
Grant 7,152,703 - Meiners , et al. December 26, 2 | 2006-12-26 |
Compact for earth boring bit with asymmetrical flanks and shoulders
App 20050263327 - Meiners, Matthew J. ; et al. | 2005-12-01 |
Enhanced offset stabilization for eccentric reamers
Grant 6,739,416 - Presley , et al. May 25, 2 | 2004-05-25 |
Methods for designing rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles
Grant 6,711,969 - Meiners , et al. March 30, 2 | 2004-03-30 |
Reaming apparatus and method with enhanced structural protection
Grant 6,695,080 - Presley , et al. February 24, 2 | 2004-02-24 |
Methods For Designing Rotary Drill Bits Exhibiting Sequences Of Substantially Continuously Variable Cutter Backrake Angles
App 20040011159 - Meiners, Matthew J. ; et al. | 2004-01-22 |
Enhanced offset stabilization for eccentric reamers
App 20030173114 - Presley, W. Gregory ; et al. | 2003-09-18 |
Rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles
Grant 6,536,543 - Meiners , et al. March 25, 2 | 2003-03-25 |
Reaming apparatus and method with enhanced structural protection
App 20020166703 - Presley, W. Gregory ; et al. | 2002-11-14 |
Hybrid rock bit
Grant 5,979,575 - Overstreet , et al. November 9, 1 | 1999-11-09 |
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