Patent | Date |
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Earth-boring tools including retractable pads Grant 10,731,419 - Oesterberg | 2020-08-04 |
Expandable downhole tool assemblies, bottom-hole assemblies, and related methods Grant 10,480,251 - Radford , et al. Nov | 2019-11-19 |
Expandable Reamer Assemblies, Bottom Hole Assemblies, And Related Methods App 20180334857 - Radford; Steven R. ;   et al. | 2018-11-22 |
Earth-boring Tools Including Retractable Pads App 20180258705 - Oesterberg; Marcus | 2018-09-13 |
Methods of forming earth-boring tools utilizing expandable reamer blades Grant 10,047,563 - Oesterberg , et al. August 14, 2 | 2018-08-14 |
Expandable reamer assemblies, bottom hole assemblies, and related methods Grant 10,036,206 - Radford , et al. July 31, 2 | 2018-07-31 |
Drill bits including retractable pads, cartridges including retractable pads for such drill bits, and related methods Grant 9,970,239 - Oesterberg May 15, 2 | 2018-05-15 |
Selectively actuating expandable reamers and related methods Grant 9,759,013 - Radford , et al. September 12, 2 | 2017-09-12 |
Expandable reamers and methods of using expandable reamers Grant 9,719,305 - Radford , et al. August 1, 2 | 2017-08-01 |
Methods Of Forming Earth-boring Tools Utilizing Expandable Reamer Blades App 20160319604 - Oesterberg; Marcus ;   et al. | 2016-11-03 |
Expandable Reamer Assemblies, Bottom Hole Assemblies, And Related Methods App 20160251904 - Radford; Steven R. ;   et al. | 2016-09-01 |
Utilization of expandable reamer blades in rigid earth-boring tool bodies Grant 9,394,746 - Oesterberg , et al. July 19, 2 | 2016-07-19 |
Expandable Reamers And Methods Of Using Expandable Reamers App 20160153242 - Radford; Steven R. ;   et al. | 2016-06-02 |
Expandable reamer assemblies, bottom-hole assemblies, and related methods Grant 9,341,027 - Radford , et al. May 17, 2 | 2016-05-17 |
Expandable reamers and methods of using expandable reamers Grant 9,267,331 - Radford , et al. February 23, 2 | 2016-02-23 |
Reaming shoe for increased borehole clearance and method of use Grant 9,255,448 - Oesterberg , et al. February 9, 2 | 2016-02-09 |
Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods Grant 9,175,520 - Radford , et al. November 3, 2 | 2015-11-03 |
Drill Bits Including Retractable Pads, Cartridges Including Retractable Pads For Such Drill Bits, And Related Methods App 20150292268 - Oesterberg; Marcus | 2015-10-15 |
Earth-boring tools including retractable pads, cartridges including retractable pads for such tools, and related methods Grant 9,080,399 - Oesterberg July 14, 2 | 2015-07-14 |
Selectively Actuating Expandable Reamers And Related Methods App 20150152686 - Radford; Steven R. ;   et al. | 2015-06-04 |
Selectively actuating expandable reamers and related methods Grant 8,960,333 - Radford , et al. February 24, 2 | 2015-02-24 |
Expandable Reamer Assemblies, Bottom Hole Assemblies, And Related Methods App 20140246236 - Radford; Steven R. ;   et al. | 2014-09-04 |
Utilization Of Expandable Reamer Blades In Rigid Earth-boring Tool Bodies App 20130306380 - Oesterberg; Marcus ;   et al. | 2013-11-21 |
Expandable Reamers And Methods Of Using Expandable Reamers App 20130256035 - Radford; Steven R. ;   et al. | 2013-10-03 |
Reaming Shoe for Increased Borehole Clearance App 20130248252 - Oesterberg; Marcus ;   et al. | 2013-09-26 |
Selectively Actuating Expandable Reamers And Related Methods App 20130153300 - Radford; Steven R. ;   et al. | 2013-06-20 |
Method and apparatus for controlling bottomhole temperature in deviated wells Grant 8,453,760 - Fincher , et al. June 4, 2 | 2013-06-04 |
Temporary containment of oil wells to prevent environmental damage Grant 8,444,344 - Oesterberg , et al. May 21, 2 | 2013-05-21 |
Earth-boring Tools Including Retractable Pads, Cartridges Including Retractable Pads For Such Tools, And Related Methods App 20120318580 - Oesterberg; Marcus | 2012-12-20 |
Apparatus and methods for controlling bottomhole assembly temperature during a pause in drilling boreholes Grant 8,267,197 - Fincher , et al. September 18, 2 | 2012-09-18 |
Flow Control Device And Methods For Using Same App 20120205122 - Peter; Andreas ;   et al. | 2012-08-16 |
Temporary Containment of Oil Wells to Prevent Environmental Damage App 20120087729 - Oesterberg; Marcus ;   et al. | 2012-04-12 |
Remotely Controlled Apparatus For Downhole Applications, Components For Such Apparatus, Remote Status Indication Devices For Such Apparatus, And Related Methods App 20120080183 - Radford; Steven R. ;   et al. | 2012-04-05 |
Method and Apparatus for Controlling Bottomhole Temperature in Deviated Wells App 20110048802 - Fincher; Roger W. ;   et al. | 2011-03-03 |
Apparatus and Methods for Controlling Bottomhole Assembly Temperature During a Pause in Drilling Boreholes App 20110048806 - Fincher; Roger W. ;   et al. | 2011-03-03 |
Apparatus and method for rotating a portion of a drill string Grant 6,446,737 - Fontana , et al. September 10, 2 | 2002-09-10 |