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in situ inhibition of corrosion in boreholes or wells
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E21B41/02
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FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B41/00
Equipment or details not covered by groups E21B15/00 - E21B40/00
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E21B41/02
in situ inhibition of corrosion in boreholes or wells
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Patents Grants
last 30 patents
Information
Patent Grant
Weighted drilling fluid composition
Patent number
12,152,190
Issue date
Nov 26, 2024
King Fahd University of Petroleum & Minerals
Ashraf Ahmed
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Methods for spotting acid in a wellbore
Patent number
12,152,195
Issue date
Nov 26, 2024
Dorf Ketal Chemicals FZE
Clay Purdy
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Corrosion inhibitor with improved performance at high temperatures
Patent number
12,134,734
Issue date
Nov 5, 2024
Cameron International Corporation
Paul Barnes
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Drilling fluid composition and method for removing hydrogen sulfide...
Patent number
12,110,447
Issue date
Oct 8, 2024
King Fahd University of Petroleum & Minerals
Ashraf Ahmed
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole rock treatment method with corrosion inhibition
Patent number
12,110,454
Issue date
Oct 8, 2024
King Fahd University of Petroleum & Minerals
Ime Bassey Obot
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acid injection and fracturing method for porous subterranean geolog...
Patent number
12,110,453
Issue date
Oct 8, 2024
King Fahd University of Petroleum & Minerals
Ime Bassey Obot
E21 - EARTH DRILLING MINING
Information
Patent Grant
Calcareous rock stimulation method
Patent number
12,104,119
Issue date
Oct 1, 2024
King Fahd University of Petroleum & Minerals
Ime Bassey Obot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Emulsions containing water-soluble acid retarding agents and method...
Patent number
12,091,610
Issue date
Sep 17, 2024
Schlumberger Technology Corporation
Christopher Daeffler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Multifunctional composition for enhanced oil recovery, improved oil...
Patent number
12,065,613
Issue date
Aug 20, 2024
LOCUS SOLUTIONS IPCO, LLC
Sean Farmer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Gas-lift mandrel provided with a scale inhibitor injection system
Patent number
12,044,109
Issue date
Jul 23, 2024
Petroleo Brasileiro S.A.-Petrobras
Mario Germino Ferreira Da Silva
E21 - EARTH DRILLING MINING
Information
Patent Grant
Removable covers for magnetic scale inhibitors
Patent number
12,037,877
Issue date
Jul 16, 2024
Halliburton Energy Services, Inc.
Michael Linley Fripp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for stimulating a hydrocarbon-bearing formation by perforat...
Patent number
12,018,210
Issue date
Jun 25, 2024
Dorf Ketal Chemicals FZE
Clay Purdy
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
System and methodology for chemical dispersion within a wellbore
Patent number
12,000,259
Issue date
Jun 4, 2024
Schlumberger Technology Corporation
Anirban Bhattacharjee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole acid stimulation method with corrosion inhibition
Patent number
11,987,752
Issue date
May 21, 2024
King Fahd University of Petroleum & Minerals
Ime Bassey Obot
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ionic liquid corrosion inhibitors
Patent number
11,987,746
Issue date
May 21, 2024
Halliburton Energy Services, Inc.
Robert August Zeller
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Acidizing retarder compositions and methods of reducing a rate of c...
Patent number
11,959,020
Issue date
Apr 16, 2024
Saudi Arabian Oil Company
Jin Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Passivated cement accelerator
Patent number
11,932,806
Issue date
Mar 19, 2024
Halliburton Energy Services, Inc.
Thomas Jason Pisklak
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Methods for stimulating hydrocarbon-bearing formations
Patent number
11,898,098
Issue date
Feb 13, 2024
Dorf Ketal Chemicals FZE
Clay Purdy
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Chemical injection system for a resource extraction system
Patent number
11,885,219
Issue date
Jan 30, 2024
Cameron International Corporation
David Rossi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for in-situ application of a coating agent to production tu...
Patent number
11,879,308
Issue date
Jan 23, 2024
ExxonMobil Technology and Engineering Company
Michael C. Romer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Synthesis and use of grafted graphene in wellbore construction flui...
Patent number
11,866,637
Issue date
Jan 9, 2024
Saudi Arabian Oil Company
Ashok Santra
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composition and method for improving the production of petroleum hy...
Patent number
11,851,612
Issue date
Dec 26, 2023
CNPC USA Corporation
Jiangshui Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for preventing saline scale in low-activity, aqueous-phase r...
Patent number
11,834,927
Issue date
Dec 5, 2023
Petroleo Brasileiro S.A. Petrobras
Mario Germino Ferreira Da Silva
E21 - EARTH DRILLING MINING
Information
Patent Grant
Exothermic and/or gas-generating treatment for subterranean and pip...
Patent number
11,808,112
Issue date
Nov 7, 2023
Halliburton Energy Services, Inc.
Giselle Braganza
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cathodic current measurement of outer casings or tubulars using ele...
Patent number
11,796,452
Issue date
Oct 24, 2023
Saudi Arabian Oil Company
Hemant Kumar Sharma
E21 - EARTH DRILLING MINING
Information
Patent Grant
Iron control composition, make, and use in carbonate stimulation
Patent number
11,795,378
Issue date
Oct 24, 2023
King Fahd University of Petroleum & Minerals
Badr Ba Geri
E21 - EARTH DRILLING MINING
Information
Patent Grant
Use of sulfonic acids in downhole methods
Patent number
11,795,379
Issue date
Oct 24, 2023
Dorf Ketal Chemicals FZE
Clay Purdy
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Downhole energy harvesting
Patent number
11,795,786
Issue date
Oct 24, 2023
METROL TECHNOLOGY LTD
Shaun Compton Ross
E21 - EARTH DRILLING MINING
Information
Patent Grant
Accelerated cement composition for reducing corrosion of wellbore c...
Patent number
11,773,310
Issue date
Oct 3, 2023
Saudi Arabian Oil Company
Sara A. Alkhalaf
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
System and method for incorporating a velocity spool (ejector) in a...
Patent number
11,761,309
Issue date
Sep 19, 2023
Saudi Arabian Oil Company
Khaled Ali AlSayed
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
WEIGHTED DRILLING FLUID COMPOSITION
Publication number
20240400881
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ashraf AHMED
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS FOR REMOVING HYDROGEN SULFIDE FROM A GAS COMPOSITION
Publication number
20240400882
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ashraf AHMED
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR REDUCING HYDROGEN SULFIDE IN A SUBTERRANEAN FORMATION
Publication number
20240400883
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ashraf AHMED
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELUTION SYSTEMS FOR TREATMENT OF SUBTERRANEAN RESERVOIRS
Publication number
20240392665
Publication date
Nov 28, 2024
ChampionX LLC
Tri Thanh Phan
E21 - EARTH DRILLING MINING
Information
Patent Application
SODIUM DECYL- AND LAURYLGLUCOSIDES HYDROXYPROPYL PHOSPHATES AS LUBR...
Publication number
20240384152
Publication date
Nov 21, 2024
Colonial Chemical, Inc.
Xiangdong Sun
E21 - EARTH DRILLING MINING
Information
Patent Application
REMOVABLE COVERS FOR MAGNETIC SCALE INHIBITORS
Publication number
20240384627
Publication date
Nov 21, 2024
Halliburton Energy Services, Inc.
Michael Linley Fripp
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING FLUID COMPOSITION AND METHOD FOR REMOVING HYDROGEN SULFIDE...
Publication number
20240336827
Publication date
Oct 10, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ashraf AHMED
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Methods for Stimulating a Hydrocarbon-bearing Formation by Perforat...
Publication number
20240301277
Publication date
Sep 12, 2024
Dorf Ketal Chemicals FZE
Clay Purdy
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CALCAREOUS ROCK STIMULATION METHOD
Publication number
20240279535
Publication date
Aug 22, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ime Bassey Obot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH
Publication number
20240279533
Publication date
Aug 22, 2024
Dorf Ketal Chemicals FZE
Tom McLoughlin
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ACID INJECTION AND FRACTURING METHOD FOR POROUS SUBTERRANEAN GEOLOG...
Publication number
20240279534
Publication date
Aug 22, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ime Bassey Obot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DOWNHOLE ROCK TREATMENT METHOD WITH CORROSION INHIBITION
Publication number
20240271033
Publication date
Aug 15, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Ime Bassey Obot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MODIFIED SILICA NANOPARTICLE AND METHODS OF SYNTHESIS
Publication number
20240271029
Publication date
Aug 15, 2024
Saudi Arabian Oil Company
Norah ALJEABAN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SCALE/CORROSION INHIBITOR DISPENSER FOR WELLBORE PROTECTION
Publication number
20240254863
Publication date
Aug 1, 2024
Aramco Overseas Company UK Ltd
Jamie Cochran
E21 - EARTH DRILLING MINING
Information
Patent Application
NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH
Publication number
20240254383
Publication date
Aug 1, 2024
Dorf Ketal Chemicals FZE
Tom McLoughlin
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20240228862
Publication date
Jul 11, 2024
CNPC USA CORPORATION
Jiangshui Huang
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods for Stimulating a Hydrocarbon-bearing Formation by Perforat...
Publication number
20240191128
Publication date
Jun 13, 2024
Dorf Ketal Chemicals FZE
Clay Purdy
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DIAMOND-LIKE CARBON COATING FOR MOTORS OF ELECTRIC SUBMERSIBLE PUMP...
Publication number
20240183254
Publication date
Jun 6, 2024
Saudi Arabian Oil Company
Qiwei Wang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SYSTEMS AND METHODS TO DEPLOY A CHEMICAL INHIBITOR IN AN OIL OR GAS...
Publication number
20240141756
Publication date
May 2, 2024
Saudi Arabian Oil Company
Qiwei Wang
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR WELLBORE DRILLING UTILIZING A THERMOCHEMICA...
Publication number
20240068355
Publication date
Feb 29, 2024
Saudi Arabian Oil Company
Peng Lu
E21 - EARTH DRILLING MINING
Information
Patent Application
ENVIRONMENTALLY FRIENDLY ADDITIVES
Publication number
20240059969
Publication date
Feb 22, 2024
UNIQUEM INC.
Amir A. Mirzaei
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DEEP EUTECTIC SOLVENTS
Publication number
20240010903
Publication date
Jan 11, 2024
UNIQUEM INC.
Amir A. Mirzaei
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR PREVENTING CORROSION OF DRILL EQUIPMENT DUE...
Publication number
20230392459
Publication date
Dec 7, 2023
TRANSOCEAN SERVICES AS
Ove STAVO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CORROSION INHIBITOR WITH IMPROVED PERFORMANCE AT HIGH TEMPERATURES
Publication number
20230374370
Publication date
Nov 23, 2023
Cameron International Corporation
Paul Barnes
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
EXOTHERMIC AND/OR GAS-GENERATING TREAMENT FOR SUBTERRANEAN AND PIPE...
Publication number
20230272694
Publication date
Aug 31, 2023
Halliburton Energy Services, Inc.
Giselle Braganza
E21 - EARTH DRILLING MINING
Information
Patent Application
EMULSIONS CONTAINING WATER-SOLUBLE ACID RETARDING AGENTS AND METHOD...
Publication number
20230257645
Publication date
Aug 17, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Christopher DAEFFLER
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ACIDIZING RETARDER COMPOSITIONS AND METHODS OF USING THE SAME
Publication number
20230212452
Publication date
Jul 6, 2023
Saudi Arabian Oil Company
Jin Huang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
REAL-TIME MONITORING OF MICROBIAL CONTAMINATION IN OILFIELD DRILLIN...
Publication number
20230184109
Publication date
Jun 15, 2023
Saudi Arabian Oil Company
Abdulmohsen A. Al-Humam
E21 - EARTH DRILLING MINING
Information
Patent Application
Multifunctional Composition for Enhanced Oil Recovery, Improved Oil...
Publication number
20230159814
Publication date
May 25, 2023
Locus Solutions IPCo, LLC
Sean FARMER
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS-LIFT MANDREL PROVIDED WITH A SCALE INHIBITOR INJECTION SYSTEM
Publication number
20230151718
Publication date
May 18, 2023
Petroleo Brasileiro S.A. - PETROBRAS
Mario Germino Ferreira Da Silva
E21 - EARTH DRILLING MINING