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Russell Gilleylen
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary steerable drilling assembly and method
Patent number
12,203,368
Issue date
Jan 21, 2025
National-Oilwell Varco, L.P.
Clay Williams
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole friction reduction systems having a flexible agitator
Patent number
12,188,320
Issue date
Jan 7, 2025
National-Oilwell Varco, L.P.
Khoi Trinh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole friction reduction systems having a flexible agitator
Patent number
11,905,777
Issue date
Feb 20, 2024
National-Oilwell Varco, L.P.
Khoi Trinh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable drilling assembly and method
Patent number
11,879,333
Issue date
Jan 23, 2024
National-Oilwell Varco, L.P.
Clay Williams
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods of fabrication and use of wear-resistant materials
Patent number
10,906,104
Issue date
Feb 2, 2021
National Oilwell DHT, L.P.
Biju Pillai Kumar
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Detection system for a wellsite and method of using same
Patent number
10,815,772
Issue date
Oct 27, 2020
National-Oilwell Varco, L.P.
Darren Mourre
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole drill bit with coated cutting element
Patent number
10,787,737
Issue date
Sep 29, 2020
National Oilwell DHT, L.P.
Anil Kumar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond cutting element
Patent number
10,570,667
Issue date
Feb 25, 2020
National Oilwell DHT, L.P.
Deepthi Raj Setlur
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cutter elements for drill bits and methods for fabricating same
Patent number
10,214,812
Issue date
Feb 26, 2019
National Oilwell DHT, L.P.
Guodong Zhan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus and methods for high pressure leaching of polycrystalline...
Patent number
9,981,362
Issue date
May 29, 2018
National-Oilwell Varco, L.P.
Russell Gilleylen
B24 - GRINDING POLISHING
Information
Patent Grant
Downhole pulse generating device for through-bore operations
Patent number
9,598,923
Issue date
Mar 21, 2017
National-Oilwell Varco, L.P.
Russell Gilleylen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for monitoring downhole assets
Patent number
9,269,199
Issue date
Feb 23, 2016
National-Oilwell Varco, L.P.
Steven D. Laughlin
G07 - CHECKING-DEVICES
Information
Patent Grant
Polycrystalline diamond cutting element
Patent number
8,919,463
Issue date
Dec 30, 2014
National-Oilwell DHT, L.P.
Deepthi Raj Setlur
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Inner guide seal assembly and method for a ram type BOP system
Patent number
7,464,765
Issue date
Dec 16, 2008
National-Oilwell DHT, L.P.
C. Steven Isaacks
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shear/seal ram assembly for a ram-type blowout prevention system
Patent number
7,243,713
Issue date
Jul 17, 2007
National-Oilwell DHT, L.P.
C. Steven Isaacks
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
INSULATED DRILLING SYSTEMS AND ASSOCIATED METHODS
Publication number
20240240530
Publication date
Jul 18, 2024
National-Oilwell Varco, L.P.
Tony Pink
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FRICTION REDUCTION SYSTEMS HAVING A FLEXIBLE AGITATOR
Publication number
20240183240
Publication date
Jun 6, 2024
National-Oilwell Varco, L.P.
Khoi Trinh
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY STEERABLE DRILLING ASSEMBLY AND METHOD
Publication number
20240110444
Publication date
Apr 4, 2024
National-Oilwell Varco, L.P.
Clay Williams
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FRICTION REDUCTION SYSTEMS HAVING A FLEXIBLE AGITATOR
Publication number
20230399911
Publication date
Dec 14, 2023
National-Oilwell Varco, L.P.
Khoi Trinh
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY STEERABLE DRILLING ASSEMBLY AND METHOD
Publication number
20220010625
Publication date
Jan 13, 2022
National-Oilwell Varco, L.P.
Clay Williams
E21 - EARTH DRILLING MINING
Information
Patent Application
Polycrystalline Diamond Cutting Element
Publication number
20200149353
Publication date
May 14, 2020
National Oilwell DHT, L.P.
Deepthi Raj Setlur
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Cutter Elements for Drill Bits and Methods for Fabricating Same
Publication number
20190136374
Publication date
May 9, 2019
National Oilwell DHT, L.P.
Guodong Zhan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Systems and Methods of Fabrication and Use of Wear-Resistant Materials
Publication number
20190022759
Publication date
Jan 24, 2019
National Oilwell DHT, L.P.
Biju Pillai Kumar
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Downhole Drill Bit with Coated Cutting Element
Publication number
20180305810
Publication date
Oct 25, 2018
National Oilwell DHT, L.P.
Anil Kumar
E21 - EARTH DRILLING MINING
Information
Patent Application
Cutter Elements for Drill Bits and Methods for Fabricating Same
Publication number
20180100234
Publication date
Apr 12, 2018
National Oilwell DHT, L.P.
Guodong Zhan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
A Detection System for a Wellsite and Method of Using Same
Publication number
20180038220
Publication date
Feb 8, 2018
National-Oilwell Varco, L.P.
Darren Mourre
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHODS FOR HIGH PRESSURE LEACHING OF POLYCRYSTALLINE...
Publication number
20150367483
Publication date
Dec 24, 2015
National-Oilwell Varco, L.P.
Russell Gilleylen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYCRYSTALLINE DIAMOND CUTTING ELEMENT
Publication number
20150075877
Publication date
Mar 19, 2015
NATIONAL OILWELL DHT, L.P.
Deepthi Raj Setlur
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR MONITORING DOWNHOLE ASSETS
Publication number
20140244173
Publication date
Aug 28, 2014
National-Oilwell Varco, L.P.
Steven D. Laughlin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DOWNHOLE PULSE GENERATING DEVICE FOR THROUGH-BORE OPERATIONS
Publication number
20140151068
Publication date
Jun 5, 2014
National-Oilwell Varco, L.P.
Russell GILLEYLEN
E21 - EARTH DRILLING MINING
Information
Patent Application
POLYCRYSTALLINE DIAMOND CUTTING ELEMENT
Publication number
20120097457
Publication date
Apr 26, 2012
NATIONAL OILWELL DHT, L.P.
Deepthi Raj Setlur
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Inner guide seal assembly for a ram type BOP system
Publication number
20070044976
Publication date
Mar 1, 2007
National-Oilwell DHT, L.P.
C. Steven Isaacks
E21 - EARTH DRILLING MINING
Information
Patent Application
Shear/seal ram assembly for a ram-type blowout prevention system
Publication number
20060113501
Publication date
Jun 1, 2006
C. Steven Isaacks
E21 - EARTH DRILLING MINING