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Controlling or monitoring pressure or flow of drilling fluid
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E21B21/08
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E21
Mining
E21B
EARTH DRILLING
E21B21/00
Methods or apparatus for flushing boreholes
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E21B21/08
Controlling or monitoring pressure or flow of drilling fluid
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for measuring downhole mud flow density
Patent number
12,366,161
Issue date
Jul 22, 2025
Baker Hughes Oilfield Operations LLC
Volker Peters
E21 - EARTH DRILLING MINING
Information
Patent Grant
Communicating with blowout preventer control system
Patent number
12,366,130
Issue date
Jul 22, 2025
Schlumberger Technology Coporation
Eric Ducamin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automated drilling-fluid additive system and method
Patent number
12,366,128
Issue date
Jul 22, 2025
Kyle Collins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Spacer spool with return line to connect rig blow out preventor to...
Patent number
12,366,129
Issue date
Jul 22, 2025
Saudi Arabian Oil Company
Ahmed Mokhtar Abdelrehim Nofal
E21 - EARTH DRILLING MINING
Information
Patent Grant
Geosteering methods and systems for improved drilling performance
Patent number
12,359,551
Issue date
Jul 15, 2025
MAGNETIC VARIATION SERVICES, LLC
Stefan Maus
G05 - CONTROLLING REGULATING
Information
Patent Grant
Two-stage multi-objective optimization scheme for wellbore cleanup...
Patent number
12,359,516
Issue date
Jul 15, 2025
Schlumberger Technology Corporation
Kashif Rashid
E21 - EARTH DRILLING MINING
Information
Patent Grant
Online particles count monitoring system and seawater injection sys...
Patent number
12,360,031
Issue date
Jul 15, 2025
Saudi Arabian Oil Company
Ahmad Noor Al-deen Rizq
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-mode pumped riser arrangement and methods
Patent number
12,352,113
Issue date
Jul 8, 2025
ENHANCED DRILLING A.S.
Per Christian Stenshorne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus, drilling arrangement and method for high voltage electro...
Patent number
12,352,166
Issue date
Jul 8, 2025
Sandvik Mining and Construction Oy
Sirpa Launis
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-mode pumped riser arrangement and methods
Patent number
12,352,112
Issue date
Jul 8, 2025
ENHANCED DRILLING A.S.
Per Christian Stenshorne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Managed pressure drilling manifold and methods
Patent number
12,352,119
Issue date
Jul 8, 2025
Opla Energy Ltd.
Hossein Khorshidian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for optimization of wellbore operations of prod...
Patent number
12,345,109
Issue date
Jul 1, 2025
Halliburton Energy Services, Inc.
Oluwatosin Ogundare
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reduction of equivalent circulating density in well operations
Patent number
12,345,107
Issue date
Jul 1, 2025
Weatherford Technology Holdings, LLC
Tuong T. Le
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Method and system for maintaining constant back pressure during man...
Patent number
12,345,108
Issue date
Jul 1, 2025
Pruitt Tool & Supply Co.
Martyn Parker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods, systems, and media for controlling a toolface of a downhol...
Patent number
12,338,724
Issue date
Jun 24, 2025
Pason Systems Corp.
Adam Chase Neufeldt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well-killing system for ultra-deep well drilling with co-existence...
Patent number
12,331,602
Issue date
Jun 17, 2025
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Bangtang Yin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus to decouple downhole tool speed from conveyan...
Patent number
12,331,603
Issue date
Jun 17, 2025
Halliburton Energy Services, Inc.
Sudhir Gupta
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method to determine and control wellbore stability
Patent number
12,331,630
Issue date
Jun 17, 2025
Calvin Stuart Holt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methodology and system for utilizing rig mud pump assembly
Patent number
12,326,061
Issue date
Jun 10, 2025
Schlumberger Technology Corporation
Bartley Patton
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Reducing fluid loss with lost circulation materials
Patent number
12,312,885
Issue date
May 27, 2025
Saudi Arabian Oil Company
Abdulrahman K. Aleid
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole filtration systems and related methods in oil and gas appl...
Patent number
12,312,948
Issue date
May 27, 2025
Saudi Arabian Oil Company
Mario Augusto Rivas Martinez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole method and associated apparatus
Patent number
12,312,912
Issue date
May 27, 2025
Hydropulsion Limited
Brian Storie
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steering actuation methodology for a rotary steerable system
Patent number
12,312,953
Issue date
May 27, 2025
Schlumberger Technology Corporation
Alexander Trushin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Monobore drilling methods with managed pressure drilling
Patent number
12,305,456
Issue date
May 20, 2025
Opla Energy Ltd.
Elvin Mammadov
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method to detect and measure fluid flow in the return li...
Patent number
12,286,848
Issue date
Apr 29, 2025
Saudi Arabian Oil Company
Krzysztof Karol Machocki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and systems for simulating stage completion to assess trade...
Patent number
12,281,560
Issue date
Apr 22, 2025
Well Data Labs, Inc.
Jessica G. Iriarte Lopez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stimulating wells created by underbalanced coiled tubing drilling
Patent number
12,281,554
Issue date
Apr 22, 2025
Saudi Arabian Oil Company
Kaiming Xia
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ultrasonic flow check systems for wellbores
Patent number
12,276,190
Issue date
Apr 15, 2025
Saudi Arabian Oil Company
Ahmed Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low-density hollow glass bead (HGB) fluids for wellbore drilling, c...
Patent number
12,269,986
Issue date
Apr 8, 2025
ExxonMobil Technology and Engineering Company
Glenn Penny
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Lost circulation material tool
Patent number
12,270,268
Issue date
Apr 8, 2025
Saudi Arabian Oil Company
Bandar S. Al-Malki
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DE-RISKING SUBSURFACE FLUID PROSPECTS
Publication number
20250231308
Publication date
Jul 17, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Andreas W. Laake
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS FOR IDENTIFYING MUD MOTOR STALL EVENTS DURING BOREHOLE DRIL...
Publication number
20250230720
Publication date
Jul 17, 2025
ExxonMobil Technology and Engineering Company
Gregory S. PAYETTE
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATICALLY DETECTING A KEY PARAMETER AFFECTING PUMP COMPONENTS
Publication number
20250223880
Publication date
Jul 10, 2025
Halliburton Energy Services, Inc.
Stanley Vernon Stephenson
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND PROCESSES FOR AUTOMATING GAS LIFT DESIGN
Publication number
20250217557
Publication date
Jul 3, 2025
Saudi Arabian Oil Company
Muhammad Daanyal
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LOW-DENSITY HOLLOW GLASS BEAD (HGB) FLUIDS FOR WELLBORE DRILLING, C...
Publication number
20250197710
Publication date
Jun 19, 2025
ExxonMobil Technology and Engineering Company
Glenn PENNY
E21 - EARTH DRILLING MINING
Information
Patent Application
VARIABLE FREQUENCY DRIVE CONFIGURATION FOR ELECTRIC DRIVEN HYDRAULI...
Publication number
20250198246
Publication date
Jun 19, 2025
Halliburton Energy Services, Inc.
John Fischer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
WELLBORE TRIPPING ADVISOR
Publication number
20250172064
Publication date
May 29, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Prasanna Amur Varadarajan
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-LINEAR TRAJECTORY OPTIMIZATION TOWARDS AUTOMATED DRILLING APPLI...
Publication number
20250163793
Publication date
May 22, 2025
Halliburton Energy Services, Inc.
Omer Burak Iskender
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Improved Influx and Loss Detection for Managed Pressure Drilling Op...
Publication number
20250146371
Publication date
May 8, 2025
Halliburton Energy Services, Inc.
Yan Luo
E21 - EARTH DRILLING MINING
Information
Patent Application
Evaluation and Control of Influx Circulation During Managed Pressur...
Publication number
20250146372
Publication date
May 8, 2025
Halliburton Energy Services, Inc.
Yan LUO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DETECTION OF FLUID LOSSES OR GAINS IN MANAGED PRESSURE DRILLING OPE...
Publication number
20250146401
Publication date
May 8, 2025
Halliburton Energy Services, Inc.
Yan Luo
E21 - EARTH DRILLING MINING
Information
Patent Application
IDENTIFYING LOST-CIRCULATION EVENTS IN DOWNHOLE DRILLING SYSTEMS
Publication number
20250137334
Publication date
May 1, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Valerian Guillot
E21 - EARTH DRILLING MINING
Information
Patent Application
DRIVE POWER BASED PUMP MONITORING
Publication number
20250137447
Publication date
May 1, 2025
Halliburton Energy Services, Inc.
Timothy Holiman Hunter
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMIZATION OF WELLBORE OPERATIONS OF PROD...
Publication number
20250129679
Publication date
Apr 24, 2025
Hailliburton Energy Services, Inc
Oluwatosin Ogundare
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL-KILLING SYSTEM FOR ULTRA-DEEP WELL DRILLING WITH CO-EXISTENCE...
Publication number
20250116163
Publication date
Apr 10, 2025
China University of Petroleum (East China)
Bangtang YIN
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS OF ASSESSING A CAPROCK IN A GEOLOGIC SEQUENCE FOR CAPROCK D...
Publication number
20250116647
Publication date
Apr 10, 2025
Saudi Arabian Oil Company
Martin E. Poitzsch
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS, PROCESSES, AND MODELING METHODS FOR DRILLING IN HOT DRY RO...
Publication number
20250102191
Publication date
Mar 27, 2025
BLADE ENERGY PARTNERS, LTD.
POODI PEDDI SURYANARAYANA
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHODS FOR DETERMINING GEL BREAKING TIME OF THIXOTROPIC...
Publication number
20250092774
Publication date
Mar 20, 2025
Baker Hughes Oilfield Operations LLC
SYED EHSANUR RAHMAN
E21 - EARTH DRILLING MINING
Information
Patent Application
SPACER SPOOL WITH RETURN LINE TO CONNECT RIG BLOW OUT PREVENTOR TO...
Publication number
20250084714
Publication date
Mar 13, 2025
Saudi Arabian Oil Company
Ahmed Mokhtar Abdelrehim Nofal
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING FLUID OPTIMIZATION FOR CUTTINGS TRANSPORT AND RATE OF PENE...
Publication number
20250085268
Publication date
Mar 13, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Andrew Clarke
E21 - EARTH DRILLING MINING
Information
Patent Application
ARTIFICIAL INTELLIGENCE GENERATED SYNTHETIC SENSOR DATA FOR DRILLING
Publication number
20250084751
Publication date
Mar 13, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Carlos Urdaneta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RISER-LESS MANAGED PRESSURE OPERATIONS
Publication number
20250075580
Publication date
Mar 6, 2025
Weatherford Technology Holdings, LLC.
Gordon THOMSON
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR CLASSIFYING AND DETECTING TRUE WELL CONTROL E...
Publication number
20250075572
Publication date
Mar 6, 2025
HCL Technologies Limited
JASPREET SINGH
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF WELL CONTROL
Publication number
20250075573
Publication date
Mar 6, 2025
Saudi Arabian Oil Company
Mohammed Murfi Hassan Al-Rubaii
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD TO DETECT AND MEASURE FLUID FLOW IN THE RETURN LI...
Publication number
20250067133
Publication date
Feb 27, 2025
Aramco Overseas Company UK Ltd
Krzysztof Karol Machocki
E21 - EARTH DRILLING MINING
Information
Patent Application
HORIZONTAL WELL CUTTINGS BED PROCESSING METHOD AND DEVICE
Publication number
20250067134
Publication date
Feb 27, 2025
CHINA NATIONAL PETROLEUM CORPORATION
Guodong JI
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING FLUID FLOWBACK TRACKING SYSTEM AND METHOD
Publication number
20250067135
Publication date
Feb 27, 2025
KYLE COLLINS
E21 - EARTH DRILLING MINING
Information
Patent Application
STALL DETECTION AND RECOVERY FOR MUD MOTORS
Publication number
20250059876
Publication date
Feb 20, 2025
Helmerich & Payne, Inc.
Fergus Hopwood
E21 - EARTH DRILLING MINING
Information
Patent Application
RATE OF PENETRATION FORECASTING WHILE DRILLING USING A TRANSFORMER-...
Publication number
20250061309
Publication date
Feb 20, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Carlos Urdaneta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEPTH ACTIVATED DOWNHOLE ADJUSTABLE BEND ASSEMBLIES
Publication number
20250052120
Publication date
Feb 13, 2025
National-Oilwell Varco, L.P.
Jeffery Ronald Clausen
E21 - EARTH DRILLING MINING