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FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B47/00
Survey of boreholes or wells
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E21B47/16
through the drill string or casing
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Patents Grants
last 30 patents
Information
Patent Grant
Cement evaluation
Patent number
12,270,296
Issue date
Apr 8, 2025
Halliburton Energy Services, Inc.
Mark Collins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wire mesh for completion tools
Patent number
12,247,483
Issue date
Mar 11, 2025
Halliburton Energy Services, Inc.
David J. Steele
E21 - EARTH DRILLING MINING
Information
Patent Grant
Information transfer system
Patent number
12,241,367
Issue date
Mar 4, 2025
YTA B.V.
Thomas Hahn-Jose
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power conservation in acoustic telemetry
Patent number
12,221,880
Issue date
Feb 11, 2025
ACOUSTIC DATA LIMITED
Guy Harvey Mason
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acoustic datalink with shock absorbing tool useful in downhole appl...
Patent number
12,163,420
Issue date
Dec 10, 2024
Gordon Technologies, LLC
Benjamin G. Frith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Convertible gauge module and system
Patent number
12,152,484
Issue date
Nov 26, 2024
Baker Hughes Oilfield Operations LLC
Yuh Loh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acoustic telemetry tool for high mechanical loading
Patent number
12,084,965
Issue date
Sep 10, 2024
Weatherford Technology Holdings, LLC
Cameron B. Kirkpatrick
E21 - EARTH DRILLING MINING
Information
Patent Grant
High speed acoustic communications and telemetry via solid pieces
Patent number
12,088,354
Issue date
Sep 10, 2024
Ali Abdi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing eccentricity evaluation using acoustic signals
Patent number
12,078,052
Issue date
Sep 3, 2024
Halliburton Energy Services, Inc.
Brenno Caetano Troca Cabella
E21 - EARTH DRILLING MINING
Information
Patent Grant
Near field ultrasonic logging
Patent number
12,078,058
Issue date
Sep 3, 2024
Weatherford Technology Holdings, LLC
Kunal K. Tiwari
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus of untethered casing and bore hole survey thro...
Patent number
12,018,558
Issue date
Jun 25, 2024
WIRELESS INSTRUMENTATION SYSTEMS AS
Jarl André Fellinghaug
E21 - EARTH DRILLING MINING
Information
Patent Grant
Convertible gauge module and system
Patent number
12,012,845
Issue date
Jun 18, 2024
Baker Hughes Oilfield Operations LLC
Yuh Loh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for performing hydrocarbon operations using commu...
Patent number
12,000,273
Issue date
Jun 4, 2024
ExxonMobil Technology and Engineering Company
Xiaohua Yi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bolt-on wireless vibration sensor assembly
Patent number
11,976,547
Issue date
May 7, 2024
Nabors Drilling Technologies USA, Inc.
James M. Hall
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for monitoring sand production through acoustic w...
Patent number
11,952,886
Issue date
Apr 9, 2024
ExxonMobil Technology and Engineering Company
Timothy J. Hall
G01 - MEASURING TESTING
Information
Patent Grant
Coupling mechanism
Patent number
11,952,847
Issue date
Apr 9, 2024
ACOUSTIC DATA LIMITED
Mark Tolley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Determining frequency band suitability for communication
Patent number
11,898,440
Issue date
Feb 13, 2024
Raptor Data Limited
Colin Maclean
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Incremental downhole depth methods and systems
Patent number
11,867,051
Issue date
Jan 9, 2024
Baker Hughes Oilfield Operations LLC
Brian Moody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for estimating a pore pressure value in geological formation...
Patent number
11,852,010
Issue date
Dec 26, 2023
ENI S.p.A.
Axel Turolla
E21 - EARTH DRILLING MINING
Information
Patent Grant
Serial hybrid downhole telemetry networks
Patent number
11,846,182
Issue date
Dec 19, 2023
Baker Hughes Oilfield Operations LLC
John-Peter Van Zelm
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for dual telemetry noise reduction
Patent number
11,846,181
Issue date
Dec 19, 2023
Helmerich & Payne Technologies, Inc.
Todd W. Benson
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for downlinking continuous combinatorial frequenc...
Patent number
11,840,925
Issue date
Dec 12, 2023
Michael Simon Pogrebinsky
E21 - EARTH DRILLING MINING
Information
Patent Grant
Communication networks, relay nodes for communication networks, and...
Patent number
11,828,172
Issue date
Nov 28, 2023
ExxonMobil Technology and Engineering Company
Yibing Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Single crystal ultrasonic transducer with charge mode receiver
Patent number
11,817,799
Issue date
Nov 14, 2023
Halliburton Energy Services, Inc.
Joachim Alexander Pihl
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Detection of a barrier behind a wellbore casing
Patent number
11,788,403
Issue date
Oct 17, 2023
Baker Hughes Oilfield Operations LLC
Andrew Hawthorn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Data fusion enhanced multi-modality wellbore integrity inspection s...
Patent number
11,782,181
Issue date
Oct 10, 2023
GE Energy Oilfield Technology, Inc.
Ansas Matthias Kasten
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Downhole apparatus to determine microwave and acoustic properties o...
Patent number
11,773,717
Issue date
Oct 3, 2023
Saudi Arabian Oil Company
Jose Oliverio Alvarez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ultrasonic through barrier communication system for in riser commun...
Patent number
11,686,197
Issue date
Jun 27, 2023
FMC Technologies, Inc.
David George Moodie
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting pipes in wellbores using downhole autonomous jet cutting tools
Patent number
11,624,265
Issue date
Apr 11, 2023
Saudi Arabian Oil Company
Ossama R. Sehsah
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stinger for actuating surface-controlled subsurface safety valve
Patent number
11,578,561
Issue date
Feb 14, 2023
Weatherford Technology Holdings, LLC
Serge Garay
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Computing A0 Mode Attenuation For Cement Evaluation In Cased Wells
Publication number
20250179916
Publication date
Jun 5, 2025
Halliburton Energy Services, Inc.
E21 - EARTH DRILLING MINING
Information
Patent Application
Leaky Flexural Wave Semblance Based Annular Stacking Velocity Deter...
Publication number
20250137368
Publication date
May 1, 2025
Halliburton Energy Services, Inc.
Amit Padhi
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods To Estimate And Alter The Real-Time Wellbore Friction Coeff...
Publication number
20250129715
Publication date
Apr 24, 2025
Halliburton Energy Services, Inc.
Sandeep D. Kulkarni
E21 - EARTH DRILLING MINING
Information
Patent Application
POWER CONSERVATION IN ACOUSTIC TELEMETRY
Publication number
20250122798
Publication date
Apr 17, 2025
ACOUSTIC DATA LIMITED
Guy Harvey Mason
E21 - EARTH DRILLING MINING
Information
Patent Application
ACOUSTIC RECEIVER
Publication number
20250116189
Publication date
Apr 10, 2025
Raptor Data Limited
Colin Maclean
E21 - EARTH DRILLING MINING
Information
Patent Application
TUBING ECCENTRICITY EVALUATION USING ACOUSTIC SIGNALS
Publication number
20250075614
Publication date
Mar 6, 2025
Halliburton Energy Services, Inc.
Brenno Caetano Troca Cabella
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTONOMOUS DOWNHOLE ROBOT TOOL STRING
Publication number
20250052148
Publication date
Feb 13, 2025
Saudi Arabian Oil Company
Abubaker Saeed
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENT EVALUATION
Publication number
20250043679
Publication date
Feb 6, 2025
Halliburton Energy Services, Inc.
Mark COLLINS
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND SYSTEMS FOR MINIMIZATION OF DRILLING ENVIRONMENTAL EFFE...
Publication number
20250034994
Publication date
Jan 30, 2025
Saudi Arabian Oil Company
Yunlai Yang
E21 - EARTH DRILLING MINING
Information
Patent Application
High Speed Acoustic Communications and Telemetry via Solid Pieces
Publication number
20250038864
Publication date
Jan 30, 2025
Ali Abdi
E21 - EARTH DRILLING MINING
Information
Patent Application
DISTRIBUTED FIBER-OPTIC TELEMETRY FOR DATA TRANSMISSION AND REAL-TI...
Publication number
20250020057
Publication date
Jan 16, 2025
ARAMCO SERVICES COMPANY
Marwan Charara
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR REMOTE OPERATION OF WELL EQUIPMENT
Publication number
20250003307
Publication date
Jan 2, 2025
FMC Kongsberg Subsea AS
Firat Karadeniz
E21 - EARTH DRILLING MINING
Information
Patent Application
Enhancing Borehole Resonance Signal For Through Tubing Cement Evalu...
Publication number
20240376812
Publication date
Nov 14, 2024
Halliburton Energy Services, Inc.
Yao Ge
E21 - EARTH DRILLING MINING
Information
Patent Application
WIRE MESH FOR COMPLETION TOOLS
Publication number
20240328310
Publication date
Oct 3, 2024
Halliburton Energy Services, Inc.
David J. STEELE
E21 - EARTH DRILLING MINING
Information
Patent Application
POWER CONSERVATION IN ACOUSTIC TELEMETRY
Publication number
20240309757
Publication date
Sep 19, 2024
ACOUSTIC DATA LIMITED
Guy Harvey Mason
E21 - EARTH DRILLING MINING
Information
Patent Application
IN-SLIPS ACOUSTIC RECEPTION
Publication number
20240200443
Publication date
Jun 20, 2024
Baker Hughes Oilfield Operations LLC
John-Peter van Zelm
E21 - EARTH DRILLING MINING
Information
Patent Application
ENHANCED M-ARY ENCODING TELEMETRY
Publication number
20240191620
Publication date
Jun 13, 2024
Erdos Miller, Inc.
Kenneth MILLER
E21 - EARTH DRILLING MINING
Information
Patent Application
DETERMINING FREQUENCY BAND SUITABILITY FOR COMMUNICATION
Publication number
20240151138
Publication date
May 9, 2024
Raptor Data Limited
Colin Maclean
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
A DOWNHOLE ASSEMBLY WITH SPRING ISOLATION FILTER
Publication number
20240117733
Publication date
Apr 11, 2024
Vector Magnetics, LLC
Mariano Garcia
E21 - EARTH DRILLING MINING
Information
Patent Application
CASING DEFORMATION MONITORING
Publication number
20240084695
Publication date
Mar 14, 2024
Saudi Arabian Oil Company
Jose Oliverio Alvarez
E21 - EARTH DRILLING MINING
Information
Patent Application
Near Field Ultrasonic Logging
Publication number
20230340873
Publication date
Oct 26, 2023
Weatherford Technology Holdings, LLC.
Kunal K. Tiwari
E21 - EARTH DRILLING MINING
Information
Patent Application
ACOUSTIC TELEMETRY TOOL FOR HIGH MECHANICAL LOADING
Publication number
20230340874
Publication date
Oct 26, 2023
Weatherford Technology Holdings, LLC.
Cameron B. KIRKPATRICK
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS OF UNTETHERED CASING AND BORE HOLE SURVEY THRO...
Publication number
20230313669
Publication date
Oct 5, 2023
Wireless Instrumentation Systems AS
Jarl André Fellinghaug
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR DOWNLINKING CONTINUOUS COMBINATORIAL FREQUENC...
Publication number
20230193750
Publication date
Jun 22, 2023
Michael Simon Pogrebinsky
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-POLE RESONANCE BASED THROUGH TUBING CEMENT EVALUATION
Publication number
20230175386
Publication date
Jun 8, 2023
Halliburton Energy Services, Inc.
Yao Ge
E21 - EARTH DRILLING MINING
Information
Patent Application
TUBING ECCENTRICITY EVALUATION USING ACOUSTIC SIGNALS
Publication number
20230175391
Publication date
Jun 8, 2023
Halliburton Energy Services, Inc.
Brenno Caetano Troca Cabella
E21 - EARTH DRILLING MINING
Information
Patent Application
CONVERTIBLE GAUGE MODULE AND SYSTEM
Publication number
20230135161
Publication date
May 4, 2023
Baker Hughes Oilfield Operations LLC
Yuh Loh
E21 - EARTH DRILLING MINING
Information
Patent Application
Serial Hybrid Downhole Telemetry Networks
Publication number
20230033517
Publication date
Feb 2, 2023
Baker Hughes Oilfield Operations LLC
John-Peter Van Zelm
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE APPARATUS TO DETERMINE MICROWAVE AND ACOUSTIC PROPERTIES O...
Publication number
20230036565
Publication date
Feb 2, 2023
ARAMCO SERVICES COMPANY
Jose Oliverio Alvarez
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ACOUSTIC ISOLATORS
Publication number
20230026433
Publication date
Jan 26, 2023
Baker Hughes Oilfield Operations LLC
Stefan Schimschal
E21 - EARTH DRILLING MINING