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with slipping or elastic transmission
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CPC
E21B3/035
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B3/00
Rotary drilling
Current Industry
E21B3/035
with slipping or elastic transmission
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Clutch mechanism for gripping tools
Patent number
12,173,761
Issue date
Dec 24, 2024
Noetic Technologies Inc.
Maurice William Slack
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for mitigating stick-slip
Patent number
11,952,883
Issue date
Apr 9, 2024
Halliburton Energy Services, Inc.
Zhijie Sun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mitigation of backward whirl in drill bits
Patent number
11,875,096
Issue date
Jan 16, 2024
Halliburton Energy Services, Inc.
Shilin Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System, method and apparatus for well string clutch
Patent number
11,142,952
Issue date
Oct 12, 2021
General Downhole Tools, Ltd.
Mike Harvey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Controlling drill string rotation
Patent number
10,895,142
Issue date
Jan 19, 2021
Schlumberger Technology Corporation
Benjamin Peter Jeffryes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool comprising a rotating part with a torque limiting cou...
Patent number
10,570,673
Issue date
Feb 25, 2020
Qinterra Technologies AS
Gerald McInally
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Instrumented saver sub for stick-slip vibration mitigation
Patent number
10,539,000
Issue date
Jan 21, 2020
Nabors Drilling Technologies USA, Inc.
Mahmoud Hadi
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for mitigating stick-slip
Patent number
10,458,223
Issue date
Oct 29, 2019
Nabors Drilling Technologies USA, Inc.
Amir Badkoubeh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Vibrational damper with removable lugs
Patent number
10,378,280
Issue date
Aug 13, 2019
Utex Industries, Inc.
Derek Carter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Resettable downhole torque limiter and related methods of use
Patent number
10,132,125
Issue date
Nov 20, 2018
Halliburton Energy Services, Inc.
Benton T. Knobloch
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for establishing tubular connections
Patent number
9,784,054
Issue date
Oct 10, 2017
Tesco Corporation
James Tyler Wilson
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for mitigating stick-slip
Patent number
9,689,250
Issue date
Jun 27, 2017
Tesco Corporation
Amir Badkoubeh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Casing manipulation assembly with hydraulic torque locking mechanism
Patent number
9,145,734
Issue date
Sep 29, 2015
Baker Hughes Incorporated
Daniel R. Hart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power drill with drill bit unit capable of providing intermittent a...
Patent number
5,531,278
Issue date
Jul 2, 1996
Pi-Chu Lin
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Portable handheld drilling apparatus
Patent number
5,358,062
Issue date
Oct 25, 1994
Andreas; Stihl
Klaus-Martin Uhl
E21 - EARTH DRILLING MINING
Information
Patent Grant
3212589
Patent number
3,212,589
Issue date
Oct 19, 1965
E21 - EARTH DRILLING MINING
Information
Patent Grant
2646144
Patent number
2,646,144
Issue date
Jul 21, 1953
E21 - EARTH DRILLING MINING
Information
Patent Grant
2646146
Patent number
2,646,146
Issue date
Jul 21, 1953
E21 - EARTH DRILLING MINING
Information
Patent Grant
2646147
Patent number
2,646,147
Issue date
Jul 21, 1953
E21 - EARTH DRILLING MINING
Information
Patent Grant
2365835
Patent number
2,365,835
Issue date
Dec 26, 1944
E21 - EARTH DRILLING MINING
Information
Patent Grant
2061768
Patent number
2,061,768
Issue date
Nov 24, 1936
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Well Drilling Tool And Method For Determining Parameter Thereof
Publication number
20230020998
Publication date
Jan 19, 2023
China Petroleum and Chemical Corporation
Haiping ZHANG
E21 - EARTH DRILLING MINING
Information
Patent Application
MITIGATION OF BACKWARD WHIRL IN DRILL BITS
Publication number
20220228438
Publication date
Jul 21, 2022
Halliburton Energy Services, Inc.
Shilin Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR MITIGATING STICK-SLIP
Publication number
20210079781
Publication date
Mar 18, 2021
Halliburton Energy Services, Inc.
Zhijie Sun
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILL BIT DESIGN SELECTION AND USE
Publication number
20200386055
Publication date
Dec 10, 2020
Halliburton Energy Services, Inc.
Shilin Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTROLLING DRILL STRING ROTATION
Publication number
20200199994
Publication date
Jun 25, 2020
SCHLUMBERGER TECHNOLOGY CORPORATION
Benjamin Peter JEFFRYES
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR MITIGATING TORSIONAL VIBRATIONS
Publication number
20190257153
Publication date
Aug 22, 2019
Nabors Drilling Technologies USA, Inc.
Amir Badkoubeh
E21 - EARTH DRILLING MINING
Information
Patent Application
Instrumented Saver Sub for Stick-Slip Vibration Mitigation
Publication number
20180187539
Publication date
Jul 5, 2018
Nabors Drilling Technologies USA, Inc.
Mahmoud Hadi
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR MITIGATING STICK-SLIP
Publication number
20180038215
Publication date
Feb 8, 2018
Tesco Corporation
Amir Badkoubeh
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR MITIGATING STICK-SLIP
Publication number
20160138382
Publication date
May 19, 2016
Tesco Corporation
Amir Badkoubeh
E21 - EARTH DRILLING MINING
Information
Patent Application
Casing Manipulation Assembly with Hydraulic Torque Locking Mechanism
Publication number
20140151067
Publication date
Jun 5, 2014
BAKER HUGHES INCORPORATED
Daniel R. Hart
E21 - EARTH DRILLING MINING