Inventor · disambiguated record
Jothibasu Ramasamy
Also filed as: RAMASAMY JOTHIBASU
57 granted patents·7 pending applications·135 citations·filing 2016–2025
97Inventor score
Files withSAUDI ARABIAN OIL CO64
Top patents by PatentIndex Score
64 records- 0198US10233372B2Loss circulation material for seepage to moderate loss controlSAUDI ARABIAN OIL CO·Filed 2017·Granted Mar 19, 2019·35 cites·5 claims
- 0297US10597575B2Date tree trunk and rachis-based superfine fibrous materials for seepage loss controlSAUDI ARABIAN OIL CO·Filed 2019·Granted Mar 24, 2020·18 cites·9 claims
- 0397US10479920B2Date tree trunk and rachis-based superfine fibrous materials for seepage loss controlSAUDI ARABIAN OIL CO·Filed 2017·Granted Nov 19, 2019·17 cites·6 claims
- 0497US9957433B2Preparation and use of drilling fluids with date seed powder fluid loss additiveSAUDI ARABIAN OIL CO·Filed 2016·Granted May 1, 2018·25 cites·24 claims
- 0594US12291785B2Ethoxylated fatty diamine as a corrosion inhibitor for pipelines and storage tanksSAUDI ARABIAN OIL CO·Filed 2022·Granted May 6, 2025·1 cites·12 claims
- 0694US10865620B1Downhole ultraviolet system for mitigating lost circulationSAUDI ARABIAN OIL CO·Filed 2019·Granted Dec 15, 2020·9 cites·18 claims
- 0792US10392549B2Date tree trunk-based fibrous loss circulation materialsSAUDI ARABIAN OIL CO·Filed 2017·Granted Aug 27, 2019·5 cites·8 claims
- 0892US10385254B2Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluidsSAUDI ARABIAN OIL CO·Filed 2018·Granted Aug 20, 2019·4 cites·11 claims
- 0991US11214724B1Epoxidized alpha olefin based lubricant for water-based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2020·Granted Jan 4, 2022·2 cites·17 claims
- 1090US11643899B1Device and method for light dissolvable encapsulation activation for downhole applicationsSAUDI ARABIAN OIL CO·Filed 2022·Granted May 9, 2023·2 cites·12 claims
- 1190US10858568B1Rheology modifier for organoclay-free invert emulsion drilling fluid systemsSAUDI ARABIAN OIL CO·Filed 2019·Granted Dec 8, 2020·3 cites·16 claims
- 1289US11111742B2Apparatus for loss circulation material performance evaluationSAUDI ARABIAN OIL CO·Filed 2018·Granted Sep 7, 2021·3 cites·17 claims
- 1386US10844689B1Downhole ultrasonic actuator system for mitigating lost circulationSAUDI ARABIAN OIL CO·Filed 2019·Granted Nov 24, 2020·3 cites·20 claims
- 1484US11230918B2Systems and methods for controlled release of sensor swarms downholeSAUDI ARABIAN OIL CO·Filed 2019·Granted Jan 25, 2022·3 cites·16 claims
- 1584US11078780B2Systems and methods for actuating downhole devices and enabling drilling workflows from the surfaceSAUDI ARABIAN OIL CO·Filed 2019·Granted Aug 3, 2021·3 cites·32 claims
- 1683US11686196B2Downhole actuation system and methods with dissolvable ball bearingSAUDI ARABIAN OIL CO·Filed 2021·Granted Jun 27, 2023·1 cites·24 claims
- 1780US10808161B2Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluidsSAUDI ARABIAN OIL CO·Filed 2019·Granted Oct 20, 2020·1 cites·19 claims
- 1878US2025236777A1Water-based drilling mud formulation using wastewater dischargeSAUDI ARABIAN OIL CO·Filed 2025·Application pending·0 cites
- 1976US12146381B2Drilling stabilizers with dissolvable windows for controlled release of chemicalsSAUDI ARABIAN OIL CO·Filed 2023·Granted Nov 19, 2024·0 cites·6 claims
- 2074US12435257B2Drilling fluids and methods thereofSAUDI ARABIAN OIL CO·Filed 2023·Granted Oct 7, 2025·0 cites·20 claims
- 2172US2025257471A1Ethoxylated fatty diamine as a corrosion inhibitor for pipelines and storage tanksSAUDI ARABIAN OIL CO·Filed 2025·Application pending·0 cites
- 2271US2024166934A1Water-based drilling mud formulation using wastewater dischargeSAUDI ARABIAN OIL CO·Filed 2022·Application pending·0 cites
- 2370US10870787B2Date tree trunk-based fibrous loss circulation materialsSAUDI ARABIAN OIL CO·Filed 2019·Granted Dec 22, 2020·0 cites·11 claims
- 2470US10844265B2Loss circulation material for seepage to moderate loss controlSAUDI ARABIAN OIL CO·Filed 2019·Granted Nov 24, 2020·0 cites·3 claims
- 2570US10597572B2Loss circulation material for seepage to moderate loss controlSAUDI ARABIAN OIL CO·Filed 2019·Granted Mar 24, 2020·0 cites·7 claims
- 2669US11649393B1Corrosion inhibition compositions and methods of useSAUDI ARABIAN OIL CO·Filed 2022·Granted May 16, 2023·0 cites·20 claims
- 2768US11072736B2Rheology modifier for organoclay-free invert emulsion drilling fluid systemsSAUDI ARABIAN OIL CO·Filed 2020·Granted Jul 27, 2021·0 cites·16 claims
- 2867US12163092B2Polyhedral oligomeric silsesquioxane as rheology booster for invert emulsion oil-based mudSAUDI ARABIAN OIL CO·Filed 2021·Granted Dec 10, 2024·0 cites·19 claims
- 2967US11851977B2Drilling stabilizers with dissolvable windows for controlled release of chemicalsSAUDI ARABIAN OIL CO·Filed 2021·Granted Dec 26, 2023·0 cites·13 claims
- 3067US11365337B2Lubricants that include alkyl esters and fatty acidsSAUDI ARABIAN OIL CO·Filed 2019·Granted Jun 21, 2022·0 cites·15 claims
- 3165US12286584B2High-performance primary emulsifier for invert-emulsion oil based mudSAUDI ARABIAN OIL CO·Filed 2021·Granted Apr 29, 2025·0 cites·11 claims
- 3265US11407956B1Lubricant formulation for multiple water-based mudsSAUDI ARABIAN OIL CO·Filed 2021·Granted Aug 9, 2022·0 cites·20 claims
- 3365US11365365B2Lubricants that include alkyl esters and fatty acidsSAUDI ARABIAN OIL CO·Filed 2019·Granted Jun 21, 2022·0 cites·12 claims
- 3465US11021644B2Drilling fluids and methods of making thereofSAUDI ARABIAN OIL CO·Filed 2019·Granted Jun 1, 2021·0 cites·19 claims
- 3564US12435258B2Organoclay-free invert emulsion oil-based drilling fluids with polyhedral oligomeric silsesquioxaneSAUDI ARABIAN OIL CO·Filed 2022·Granted Oct 7, 2025·0 cites·9 claims
- 3664US12116526B1Methods and compositions for carbon dioxide-foamed lost circulation materialsSAUDI ARABIAN OIL CO·Filed 2023·Granted Oct 15, 2024·0 cites·11 claims
- 3764US10907082B2Two-component lost circulation pill for seepage to moderate loss controlSAUDI ARABIAN OIL CO·Filed 2019·Granted Feb 2, 2021·0 cites·17 claims
- 3863US10479918B2Two-component lost circulation pill for seepage to moderate loss controlSAUDI ARABIAN OIL CO·Filed 2017·Granted Nov 19, 2019·0 cites·13 claims
- 3962US11866664B2Green corrosion inhibitor from waste vegetable oil for oil and gas applicationsSAUDI ARABIAN OIL CO·Filed 2021·Granted Jan 9, 2024·0 cites·7 claims
- 4062US11667829B1Corrosion inhibition compositions and methods of useSAUDI ARABIAN OIL CO·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 4162US11560508B2Epoxidized fatty acid methyl ester as primary emulsifier for invert emulsion oil based mudSAUDI ARABIAN OIL CO·Filed 2020·Granted Jan 24, 2023·0 cites·17 claims
- 4262US11427744B2Waste vegetable oil-based emulsifier for invert emulsion drilling fluidSAUDI ARABIAN OIL CO·Filed 2020·Granted Aug 30, 2022·0 cites·9 claims
- 4362US11396620B2Epoxidized alpha olefin based anti-bit balling additive for water-based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2020·Granted Jul 26, 2022·0 cites·20 claims
- 4462US10577527B2Waste vegetable oil-based emulsifier for invert emulsion drilling fluidSAUDI ARABIAN OIL CO·Filed 2017·Granted Mar 3, 2020·0 cites·10 claims
- 4561US11124687B2Synthesized lubricants for water-based drilling fluid systemsSAUDI ARABIAN OIL CO·Filed 2018·Granted Sep 21, 2021·0 cites·13 claims
- 4660US11618842B2Nanosized dendrimeric epoxy resin to prevent casing-casing annulus pressure issuesSAUDI ARABIAN OIL CO·Filed 2020·Granted Apr 4, 2023·0 cites·19 claims
- 4760US11345843B2Methods for producing an emulsifier suitable for use in an emulsion drilling fluidSAUDI ARABIAN OIL CO·Filed 2020·Granted May 31, 2022·0 cites·18 claims
- 4859US11299661B2Water-based drilling fluids that include lubricantsSAUDI ARABIAN OIL CO·Filed 2019·Granted Apr 12, 2022·0 cites·22 claims
- 4959US2024318062A1Methods and compositions for nitrogen-foamed lost circulation materialsSAUDI ARABIAN OIL CO·Filed 2023·Application pending·0 cites
- 5058US11542422B2Water-based drilling fluids that include lubricantsSAUDI ARABIAN OIL CO·Filed 2019·Granted Jan 3, 2023·0 cites·19 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →