Varadarajan Dwarakanath

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Compositions containing friction reducers and methods of using ther...
- Patent number 12,352,149
- Issue date Jul 8, 2025
- Chevron U.S.A. Inc.
- Gojko Matovic
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Use of a borate-acid buffer in oil and gas operations
- Patent number 12,331,245
- Issue date Jun 17, 2025
- Chevron U.S.A. Inc.
- Nabijan Nizamidin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Polyanionic surfactants and methods of making and using thereof
- Patent number 12,286,588
- Issue date Apr 29, 2025
- Chevron U.S.A. Inc.
- Gayani W. Pinnawala
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for hydrocarbon recovery
- Patent number 12,275,893
- Issue date Apr 15, 2025
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for hydrocarbon recovery
- Patent number 12,247,162
- Issue date Mar 11, 2025
- Chevron U.S.A. Inc.
- Do Hoon Kim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Olefin sulfonate compositions
- Patent number 12,012,547
- Issue date Jun 18, 2024
- Chevron U.S.A. Inc.
- Gayani W. Pinnawala
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods of using olefin sulfonates
- Patent number 12,012,549
- Issue date Jun 18, 2024
- Chevron U.S.A. Inc.
- Varadarajan Dwarakanath
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for foam stimulation
- Patent number 11,905,461
- Issue date Feb 20, 2024
- Chevron U.S.A. Inc.
- Varadarajan Dwarakanath
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions and methods for breaking foams and emulsions
- Patent number 11,898,100
- Issue date Feb 13, 2024
- Chevron U.S.A. Inc.
- Gayani W. Pinnawala
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions for use in oil and gas operations
- Patent number 11,884,879
- Issue date Jan 30, 2024
- Chevron U.S.A. Inc.
- Dennis A. Alexis
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Injection fluids for stimulating fractured formations
- Patent number 11,834,609
- Issue date Dec 5, 2023
- Chevron U.S.A. Inc.
- Dustin L. Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Use of a borate-acid buffer in oil and gas operations
- Patent number 11,787,998
- Issue date Oct 17, 2023
- Chevron U.S.A. Inc.
- Nabijan Nizamidin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Injection fluids comprising a non-ionic surfactant for treating unc...
- Patent number 11,760,921
- Issue date Sep 19, 2023
- Chevron U.S.A. Inc.
- Dustin L. Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Injection fluids comprising an anionic surfactant for treating unco...
- Patent number 11,753,582
- Issue date Sep 12, 2023
- Chevron U.S.A. Inc.
- Dustin L. Walker
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for use in oil and gas operations
- Patent number 11,739,254
- Issue date Aug 29, 2023
- Chevron U.S.A. Inc.
- Dennis A. Alexis
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Use of a borate-acid buffer in oil and gas operations
- Patent number 11,377,586
- Issue date Jul 5, 2022
- Chevron U.S.A. Inc.
- Nabijan Nizamidin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Polymer compositions and methods of use
- Patent number 11,299,409
- Issue date Apr 12, 2022
- Kemira Oyj
- Logan Jackson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and systems for generating aqueous polymer solutions
- Patent number 11,261,300
- Issue date Mar 1, 2022
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of using multicarboxylate compositions in enhanced oil recovery
- Patent number 11,248,159
- Issue date Feb 15, 2022
- Chevron U.S.A. Inc.
- Robert George Shong
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions for use in oil and gas operations
- Patent number 11,248,160
- Issue date Feb 15, 2022
- Chevron U.S.A. Inc.
- Dennis A. Alexis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods for hydrocarbon recovery
- Patent number 11,084,973
- Issue date Aug 10, 2021
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for preparing an aqueous surfactant-polymer solution
- Patent number 11,008,502
- Issue date May 18, 2021
- Chevron U.S.A. Inc.
- Dennis A. Alexis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods and systems for generating aqueous polymer solutions
- Patent number 10,865,279
- Issue date Dec 15, 2020
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Enhanced oil recovery compositions and methods thereof
- Patent number 10,851,629
- Issue date Dec 1, 2020
- Chevron U.S.A. Inc.
- Varadarajan Dwarakanath
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for hydrocarbon recovery
- Patent number 10,822,539
- Issue date Nov 3, 2020
- Chevron U.S.A. Inc.
- Do Hoon Kim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Processes and systems for characterizing and optimizing fracturing...
- Patent number 10,677,706
- Issue date Jun 9, 2020
- Chevron U.S.A. Inc.
- Douglas K. McCarty
- G01 - MEASURING TESTING
Information Patent Grant
Methods for hydrocarbon recovery
- Patent number 10,626,320
- Issue date Apr 21, 2020
- Chevron U.S.A. Inc.
- Do Hoon Kim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for hydrocarbon recovery
- Patent number 10,619,087
- Issue date Apr 14, 2020
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surfactant compositions
- Patent number 10,501,677
- Issue date Dec 10, 2019
- Chevron U.S.A. Inc.
- Douglas G. Naae
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Portable apparatus and methods for analyzing injection fluids
- Patent number 10,436,693
- Issue date Oct 8, 2019
- Chevron U.S.A. Inc.
- Varadarajan Dwarakanath
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITIONS AND METHODS FOR FOAM STIMULATION
- Publication number 20240384158
- Publication date Nov 21, 2024
- Chevron U.S.A. Inc.
- Varadarajan DWARAKANATH
- E21 - EARTH DRILLING MINING
Information Patent Application
INJECTION FLUIDS FOR STIMULATING FRACTURED FORMATIONS
- Publication number 20240327698
- Publication date Oct 3, 2024
- Chevron U.S.A. Inc.
- Dustin L. WALKER
- E21 - EARTH DRILLING MINING
Information Patent Application
INJECTION FLUIDS COMPRISING A NON-IONIC SURFACTANT FOR TREATING UNC...
- Publication number 20240279532
- Publication date Aug 22, 2024
- Chevron U.S.A. Inc.
- Dustin L. WALKER
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR HYDROCARBON RECOVERY
- Publication number 20240271031
- Publication date Aug 15, 2024
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCO...
- Publication number 20240271032
- Publication date Aug 15, 2024
- Chevron U.S.A. Inc.
- Dustin L. WALKER
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR HYDROCARBON RECOVERY
- Publication number 20240254382
- Publication date Aug 1, 2024
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR HYDROCARBON RECOVERY
- Publication number 20240247180
- Publication date Jul 25, 2024
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR HYDROCARBON RECOVERY
- Publication number 20240182779
- Publication date Jun 6, 2024
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITIONS AND METHODS FOR BREAKING FOAMS AND EMULSIONS
- Publication number 20240182781
- Publication date Jun 6, 2024
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR HYDROCARBON RECOVERY
- Publication number 20240174914
- Publication date May 30, 2024
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS
- Publication number 20240052234
- Publication date Feb 15, 2024
- Chevron U.S.A. Inc.
- Nabijan Nizamidin
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITIONS CONTAINING FRICTION REDUCERS AND METHODS OF USING THER...
- Publication number 20230383636
- Publication date Nov 30, 2023
- Chevron U.S.A. Inc.
- Gojko Matovic
- E21 - EARTH DRILLING MINING
Information Patent Application
POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20230332037
- Publication date Oct 19, 2023
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- E21 - EARTH DRILLING MINING
Information Patent Application
POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20230257644
- Publication date Aug 17, 2023
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20230183577
- Publication date Jun 15, 2023
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20230183578
- Publication date Jun 15, 2023
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20230167353
- Publication date Jun 1, 2023
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITIONS AND METHODS FOR THE RECOVERY OF OIL UNDER HARSH CONDIT...
- Publication number 20230097814
- Publication date Mar 30, 2023
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OLEFIN SULFONATES
- Publication number 20220389304
- Publication date Dec 8, 2022
- CHEVRON ORONITE COMPANY LLC
- Varadarajan DWARAKANATH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OLEFIN SULFONATES
- Publication number 20220372361
- Publication date Nov 24, 2022
- Chevron U.S.A. Inc.
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITIONS FOR USE IN OIL AND GAS OPERATIONS
- Publication number 20220372363
- Publication date Nov 24, 2022
- Chevron U.S.A. Inc.
- Dennis A. Alexis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
OLEFIN SULFONATES
- Publication number 20220363979
- Publication date Nov 17, 2022
- CHEVRON ORONITE COMPANY LLC
- Andrew M. THOMAS
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS
- Publication number 20220333003
- Publication date Oct 20, 2022
- Chevron U.S.A. Inc.
- Nabijan Nizamidin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS FOAM COMPOSITIONS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20220290031
- Publication date Sep 15, 2022
- Chevron U.S.A. Inc.
- Ruth Ellen HAHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR USE IN OIL AND GAS OPERATIONS
- Publication number 20220098470
- Publication date Mar 31, 2022
- Chevron U.S.A. Inc.
- Dennis A. Alexis
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS FOR HYDROCARBON RECOVERY
- Publication number 20220033706
- Publication date Feb 3, 2022
- Chevron U.S.A. Inc.
- Do Hoon Kim
- E21 - EARTH DRILLING MINING
Information Patent Application
Compositions and Methods for Breaking Foams and Emulsions
- Publication number 20210179930
- Publication date Jun 17, 2021
- Gayani W. PINNAWALA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS AND SYSTEMS FOR GENERATING AQUEOUS POLYMER SOLUTIONS
- Publication number 20210171721
- Publication date Jun 10, 2021
- Chevron U.S.A. Inc.
- Do Hoon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCO...
- Publication number 20210095184
- Publication date Apr 1, 2021
- Chevron U.S.A. Inc.
- Dustin L. WALKER
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITIONS AND METHODS FOR FOAM STIMULATION
- Publication number 20210002444
- Publication date Jan 7, 2021
- Chevron U.S.A. Inc.
- Varadarajan DWARAKANATH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Varadarajan Dwarakanath

Person

Patents Grantslast 30 patents

Compositions containing friction reducers and methods of using ther...

Use of a borate-acid buffer in oil and gas operations

Polyanionic surfactants and methods of making and using thereof

Methods for hydrocarbon recovery

Methods for hydrocarbon recovery

Olefin sulfonate compositions

Methods of using olefin sulfonates

Methods for foam stimulation

Compositions and methods for breaking foams and emulsions

Compositions for use in oil and gas operations

Injection fluids for stimulating fractured formations

Use of a borate-acid buffer in oil and gas operations

Injection fluids comprising a non-ionic surfactant for treating unc...

Injection fluids comprising an anionic surfactant for treating unco...

Methods for use in oil and gas operations

Use of a borate-acid buffer in oil and gas operations

Polymer compositions and methods of use

Methods and systems for generating aqueous polymer solutions

Method of using multicarboxylate compositions in enhanced oil recovery

Compositions for use in oil and gas operations

Methods for hydrocarbon recovery

Methods for preparing an aqueous surfactant-polymer solution

Methods and systems for generating aqueous polymer solutions

Enhanced oil recovery compositions and methods thereof

Methods for hydrocarbon recovery

Processes and systems for characterizing and optimizing fracturing...

Methods for hydrocarbon recovery

Methods for hydrocarbon recovery

Surfactant compositions

Portable apparatus and methods for analyzing injection fluids

Patents Applicationslast 30 patents

COMPOSITIONS AND METHODS FOR FOAM STIMULATION

INJECTION FLUIDS FOR STIMULATING FRACTURED FORMATIONS

INJECTION FLUIDS COMPRISING A NON-IONIC SURFACTANT FOR TREATING UNC...

METHODS FOR HYDROCARBON RECOVERY

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCO...

METHODS FOR HYDROCARBON RECOVERY

METHODS FOR HYDROCARBON RECOVERY

METHODS FOR HYDROCARBON RECOVERY

COMPOSITIONS AND METHODS FOR BREAKING FOAMS AND EMULSIONS

METHODS FOR HYDROCARBON RECOVERY

USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS

COMPOSITIONS CONTAINING FRICTION REDUCERS AND METHODS OF USING THER...

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

COMPOSITIONS AND METHODS FOR THE RECOVERY OF OIL UNDER HARSH CONDIT...

OLEFIN SULFONATES

OLEFIN SULFONATES

COMPOSITIONS FOR USE IN OIL AND GAS OPERATIONS

OLEFIN SULFONATES

USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS

AQUEOUS FOAM COMPOSITIONS AND METHODS OF MAKING AND USING THEREOF

METHODS FOR USE IN OIL AND GAS OPERATIONS

METHODS FOR HYDROCARBON RECOVERY

Compositions and Methods for Breaking Foams and Emulsions

METHODS AND SYSTEMS FOR GENERATING AQUEOUS POLYMER SOLUTIONS

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCO...

COMPOSITIONS AND METHODS FOR FOAM STIMULATION