Chidirim Enoch Ejim

Person

Khobar, SA

People

Patents Grantslast 30 patents

Information Patent Grant
Flow regulating valve
- Patent number 12,258,838
- Issue date Mar 25, 2025
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Logging a deviated or horizontal well
- Patent number 12,196,050
- Issue date Jan 14, 2025
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and systems for a downhole sand level device
- Patent number 12,091,961
- Issue date Sep 17, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sand shield for protecting inverted electric submersible pump at sh...
- Patent number 12,055,021
- Issue date Aug 6, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for power generation and use
- Patent number 12,044,101
- Issue date Jul 23, 2024
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Solids bypass device for inverted electric submersible pump
- Patent number 12,012,831
- Issue date Jun 18, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole solids handling in wells
- Patent number 11,988,082
- Issue date May 21, 2024
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Thrust force to operate control valve
- Patent number 11,965,396
- Issue date Apr 23, 2024
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole gas-liquid separator
- Patent number 11,913,321
- Issue date Feb 27, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Resettable packer system for pumping operations
- Patent number 11,851,974
- Issue date Dec 26, 2023
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Motorized pump
- Patent number 11,788,391
- Issue date Oct 17, 2023
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anti-backspin device for electrical submersible pumps
- Patent number 11,773,703
- Issue date Oct 3, 2023
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Motorized pump
- Patent number 11,767,741
- Issue date Sep 26, 2023
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electrical submersible pump with liquid-gas homogenizer
- Patent number 11,767,850
- Issue date Sep 26, 2023
- Saudi Arabian Oil Company
- Hassan Mohamed Badr
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Balancing axial thrust in submersible well pumps
- Patent number 11,686,312
- Issue date Jun 27, 2023
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Logging a well
- Patent number 11,661,809
- Issue date May 30, 2023
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore density meter using a rotor and diffuser
- Patent number 11,591,899
- Issue date Feb 28, 2023
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through-tubing simultaneous gas and liquid production method and sy...
- Patent number 11,566,507
- Issue date Jan 31, 2023
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Downhole solids handling in wells
- Patent number 11,525,348
- Issue date Dec 13, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-balancing thrust disk
- Patent number 11,499,563
- Issue date Nov 15, 2022
- Saudi Arabian Oil Company
- Hassan Mohamed Badr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Split riser lubricator to reduce lifting heights during tool instal...
- Patent number 11,486,218
- Issue date Nov 1, 2022
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Balancing axial thrust in submersible well pumps
- Patent number 11,359,472
- Issue date Jun 14, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Balancing axial thrust in submersible well pumps
- Patent number 11,326,607
- Issue date May 10, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal pump with adaptive pump stages
- Patent number 11,268,519
- Issue date Mar 8, 2022
- Saudi Arabian Oil Company
- Rafael Adolfo Lastra Melo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal pump with adaptive pump stages
- Patent number 11,268,520
- Issue date Mar 8, 2022
- Saudi Arabian Oil Company
- Rafael Adolfo Lastra Melo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Devices and methods to mitigate pressure buildup in an isolated wel...
- Patent number 11,215,032
- Issue date Jan 4, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole system and method for selectively producing and unloading...
- Patent number 11,091,988
- Issue date Aug 17, 2021
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Prevention of gas accumulation above ESP intake
- Patent number 10,989,025
- Issue date Apr 27, 2021
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Systems and methods for preventing sand accumulation in inverted el...
- Patent number 10,947,813
- Issue date Mar 16, 2021
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Motorized pump
- Patent number 10,941,778
- Issue date Mar 9, 2021
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
INVERTED SHROUD FIELD ASSEMBLY FOR GAS ACCUMULATION PREVENTION ABOV...
- Publication number 20250122785
- Publication date Apr 17, 2025
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
PRESSURE BOOSTING SYSTEM FOR MULTI-PHASE CRUDE OIL
- Publication number 20250060078
- Publication date Feb 20, 2025
- Saudi Arabian Oil Company
- Ying XUE
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOW REGULATING VALVE
- Publication number 20240125207
- Publication date Apr 18, 2024
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND SYSTEMS FOR A DOWNHOLE SAND LEVEL DEVICE
- Publication number 20240125226
- Publication date Apr 18, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR POWER GENERATION AND USE
- Publication number 20240125203
- Publication date Apr 18, 2024
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
THRUST FORCE TO OPERATE CONTROL VALVE
- Publication number 20240125208
- Publication date Apr 18, 2024
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
SOLIDS BYPASS DEVICE FOR INVERTED ELECTRIC SUBMERSIBLE PUMP
- Publication number 20240102368
- Publication date Mar 28, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
SAND SHIELD FOR PROTECTING INVERTED ELECTRIC SUBMERSIBLE PUMP AT SH...
- Publication number 20240102367
- Publication date Mar 28, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LOGGING A DEVIATED OR HORIZONTAL WELL
- Publication number 20240060373
- Publication date Feb 22, 2024
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE GAS-LIQUID SEPARATOR
- Publication number 20230228180
- Publication date Jul 20, 2023
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE SOLIDS HANDLING IN WELLS
- Publication number 20230109245
- Publication date Apr 6, 2023
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellbore Density Meter Using a Rotor and Diffuser
- Publication number 20220316319
- Publication date Oct 6, 2022
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
ANTI-BACKSPIN DEVICE FOR ELECTRICAL SUBMERSIBLE PUMPS
- Publication number 20220259956
- Publication date Aug 18, 2022
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
MOTORIZED PUMP
- Publication number 20220243570
- Publication date Aug 4, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
MOTORIZED PUMP
- Publication number 20220098961
- Publication date Mar 31, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS
- Publication number 20220090602
- Publication date Mar 24, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
THROUGH-TUBING SIMULTANEOUS GAS AND LIQUID PRODUCTION METHOD AND SY...
- Publication number 20220065090
- Publication date Mar 3, 2022
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SELF-BALANCING THRUST DISK
- Publication number 20220056913
- Publication date Feb 24, 2022
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Hassan Mohamed Badr
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DOWNHOLE SOLIDS HANDLING IN WELLS
- Publication number 20220003103
- Publication date Jan 6, 2022
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
LOGGING A WELL
- Publication number 20210381327
- Publication date Dec 9, 2021
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
ELECTRICAL SUBMERSIBLE PUMP WITH LIQUID-GAS HOMOGENIZER
- Publication number 20210246903
- Publication date Aug 12, 2021
- Saudi Arabian Oil Company
- Hassan Mohamed Badr
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SIMULTANEOUS OPERATION OF DUAL ELECTRIC SUBMERSIBLE PUMPS USING SIN...
- Publication number 20210246771
- Publication date Aug 12, 2021
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICES AND METHODS TO MITIGATE PRESSURE BUILDUP IN AN ISOLATED WEL...
- Publication number 20210230969
- Publication date Jul 29, 2021
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE SYSTEM AND METHOD FOR SELECTIVELY PRODUCING AND UNLOADING...
- Publication number 20210115772
- Publication date Apr 22, 2021
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS
- Publication number 20210040826
- Publication date Feb 11, 2021
- Saudi Arabian Oil Company
- Jinjiang Xiao
- E21 - EARTH DRILLING MINING
Information Patent Application
MOTORIZED PUMP
- Publication number 20200355184
- Publication date Nov 12, 2020
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
OPERATING A SUBSURFACE SAFETY VALVE USING A DOWNHOLE PUMP
- Publication number 20200347698
- Publication date Nov 5, 2020
- Saudi Arabian Oil Company
- Chidirim Enoch Ejim
- E21 - EARTH DRILLING MINING
Information Patent Application
BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS
- Publication number 20200248538
- Publication date Aug 6, 2020
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS
- Publication number 20200248695
- Publication date Aug 6, 2020
- Saudi Arabian Oil Company
- Jinjiang Xiao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CENTRIFUGAL PUMP WITH ADAPTIVE PUMP STAGES
- Publication number 20200141414
- Publication date May 7, 2020
- Saudi Arabian Oil Company
- Rafael Adolfo Lastra Melo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Chidirim Enoch Ejim

Person

Patents Grantslast 30 patents

Flow regulating valve

Logging a deviated or horizontal well

Methods and systems for a downhole sand level device

Sand shield for protecting inverted electric submersible pump at sh...

Method and system for power generation and use

Solids bypass device for inverted electric submersible pump

Downhole solids handling in wells

Thrust force to operate control valve

Downhole gas-liquid separator

Resettable packer system for pumping operations

Motorized pump

Anti-backspin device for electrical submersible pumps

Motorized pump

Electrical submersible pump with liquid-gas homogenizer

Balancing axial thrust in submersible well pumps

Logging a well

Wellbore density meter using a rotor and diffuser

Through-tubing simultaneous gas and liquid production method and sy...

Downhole solids handling in wells

Self-balancing thrust disk

Split riser lubricator to reduce lifting heights during tool instal...

Balancing axial thrust in submersible well pumps

Balancing axial thrust in submersible well pumps

Centrifugal pump with adaptive pump stages

Centrifugal pump with adaptive pump stages

Devices and methods to mitigate pressure buildup in an isolated wel...

Downhole system and method for selectively producing and unloading...

Prevention of gas accumulation above ESP intake

Systems and methods for preventing sand accumulation in inverted el...

Motorized pump

Patents Applicationslast 30 patents

INVERTED SHROUD FIELD ASSEMBLY FOR GAS ACCUMULATION PREVENTION ABOV...

PRESSURE BOOSTING SYSTEM FOR MULTI-PHASE CRUDE OIL

FLOW REGULATING VALVE

METHODS AND SYSTEMS FOR A DOWNHOLE SAND LEVEL DEVICE

METHOD AND SYSTEM FOR POWER GENERATION AND USE

THRUST FORCE TO OPERATE CONTROL VALVE

SOLIDS BYPASS DEVICE FOR INVERTED ELECTRIC SUBMERSIBLE PUMP

SAND SHIELD FOR PROTECTING INVERTED ELECTRIC SUBMERSIBLE PUMP AT SH...

LOGGING A DEVIATED OR HORIZONTAL WELL

DOWNHOLE GAS-LIQUID SEPARATOR

DOWNHOLE SOLIDS HANDLING IN WELLS

Wellbore Density Meter Using a Rotor and Diffuser

ANTI-BACKSPIN DEVICE FOR ELECTRICAL SUBMERSIBLE PUMPS

MOTORIZED PUMP

MOTORIZED PUMP

BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS

THROUGH-TUBING SIMULTANEOUS GAS AND LIQUID PRODUCTION METHOD AND SY...

SELF-BALANCING THRUST DISK

DOWNHOLE SOLIDS HANDLING IN WELLS

LOGGING A WELL

ELECTRICAL SUBMERSIBLE PUMP WITH LIQUID-GAS HOMOGENIZER

SIMULTANEOUS OPERATION OF DUAL ELECTRIC SUBMERSIBLE PUMPS USING SIN...

DEVICES AND METHODS TO MITIGATE PRESSURE BUILDUP IN AN ISOLATED WEL...

DOWNHOLE SYSTEM AND METHOD FOR SELECTIVELY PRODUCING AND UNLOADING...

BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS

MOTORIZED PUMP

OPERATING A SUBSURFACE SAFETY VALVE USING A DOWNHOLE PUMP

BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS

BALANCING AXIAL THRUST IN SUBMERSIBLE WELL PUMPS

CENTRIFUGAL PUMP WITH ADAPTIVE PUMP STAGES