Inventor · disambiguated record
Sunder Ramachandran
Also filed as: RAMACHANDRAN SUNDER
35 granted patents·16 pending applications·244 citations·filing 2002–2024
96Inventor score
Files withBAKER HUGHES INC13BAKER HUGHES A GE CO LLC10SAUDI ARABIAN OIL CO7RAMACHANDRAN SUNDER6BAKER HUGHES OILFIELD OPERATIONS LLC4
Top patents by PatentIndex Score
51 records- 0195US10900351B2Method and device for obtaining measurements of downhole properties in a subterranean wellSAUDI ARABIAN OIL CO·Filed 2019·Granted Jan 26, 2021·20 cites·17 claims
- 0292US11578590B2Method and device for obtaining measurements of downhole properties in a subterranean wellSAUDI ARABIAN OIL CO·Filed 2020·Granted Feb 14, 2023·3 cites·17 claims
- 0392US9480946B2Metal carboxylate salts as H2S scavengers in mixed production or dry gas or wet gas systemsBAKER HUGHES INC·Filed 2014·Granted Nov 1, 2016·11 cites·17 claims
- 0492US7395864B2Method and apparatus for preventing slug flow in pipelinesBAKER HUGHES INC·Filed 2005·Granted Jul 8, 2008·39 cites·24 claims
- 0590US9587181B2Synergistic H2S scavenger combination of transition metal salts with water-soluble aldehydes and aldehyde precursorsBAKER HUGHES INC·Filed 2014·Granted Mar 7, 2017·9 cites·14 claims
- 0689US12139662B2Synergistic corrosion inhibitor blendsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2022·Granted Nov 12, 2024·1 cites·6 claims
- 0788US9726594B2Electrochemical sensor for monitoring under-deposit corrosionBAKER HUGHES INC·Filed 2014·Granted Aug 8, 2017·7 cites·19 claims
- 0887US7234524B2Subsea chemical injection unit for additive injection and monitoring system for oilfield operationsBAKER HUGHES INC·Filed 2003·Granted Jun 26, 2007·99 cites·42 claims
- 0985US9828815B2Foamed fluid compositions having high salinity using anionic surfactants and methods thereforBAKER HUGHES INC·Filed 2015·Granted Nov 28, 2017·7 cites·11 claims
- 1085US9260669B2Synergistic H2S/mercaptan scavengers using glyoxalRAMACHANDRAN SUNDER·Filed 2012·Granted Feb 16, 2016·8 cites·18 claims
- 1179US8109161B2Methods and apparatus for monitoring deposit formation in gas systemsJOVANCICEVIC VLADIMIR·Filed 2009·Granted Feb 7, 2012·9 cites·18 claims
- 1279US2025034447A1Synergistic corrosion inhibitor blendsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1378US9463989B2Synergistic method for enhanced H2S/mercaptan scavengingMENENDEZ CARLOS M·Filed 2012·Granted Oct 11, 2016·6 cites·5 claims
- 1478US9278307B2Synergistic H2 S scavengersLEHRER SCOTT E·Filed 2013·Granted Mar 8, 2016·4 cites·8 claims
- 1575US11021642B2Formulation and method for dissolution of metal sulfides, inihibition of acid gas corrosion, and inhibition of scale formationBAKER HUGHES A GE CO LLC·Filed 2018·Granted Jun 1, 2021·1 cites·19 claims
- 1674US12055036B2Method and device for obtaining measurements of downhole properties in a subterranean wellSAUDI ARABIAN OIL CO·Filed 2023·Granted Aug 6, 2024·0 cites·14 claims
- 1774US10465105B2In-situ hydrogen sulfide mitigationCHAKRABORTY SOMA·Filed 2018·Granted Nov 5, 2019·1 cites·19 claims
- 1873US12084616B1Stabilizing scavenger formulations in the presence of excess formaldehyde for storage at elevated temperaturesBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Granted Sep 10, 2024·0 cites·16 claims
- 1971US11229860B2Application of formaldehyde sulfoxylates for scavenging H2SBAKER HUGHES A GE CO LLC·Filed 2020·Granted Jan 25, 2022·0 cites·14 claims
- 2071US9068269B2Inhibiting corrosion caused by aqueous aldehyde solutionsKEENAN STEPHEN R·Filed 2012·Granted Jun 30, 2015·3 cites·19 claims
- 2171US8457906B2Corrosion and erosion corrosion type determination from parametric shape representation of surfacesRAMACHANDRAN SUNDER·Filed 2008·Granted Jun 4, 2013·3 cites·4 claims
- 2269US11118427B2Managing corrosion and scale buildup in a wellboreSAUDI ARABIAN OIL CO·Filed 2019·Granted Sep 14, 2021·1 cites·20 claims
- 2369US8047292B2Method and apparatus for preventing slug flow in pipelinesBAKER HUGHES INC·Filed 2008·Granted Nov 1, 2011·3 cites·18 claims
- 2468US11359126B2Formulation and method for dissolution of metal sulfides, inhibition of acid gas corrosion, and inhibition of scale formationBAKER HUGHES A GE CO LLC·Filed 2021·Granted Jun 14, 2022·0 cites·20 claims
- 2567US9732430B2Chemical inhibition of pitting corrosion in methanolic solutions containing an organic halideBAKER HUGHES INC·Filed 2014·Granted Aug 15, 2017·1 cites·17 claims
- 2665US10940407B2Application of formaldehyde sulfoxylates for scavenging H2SBAKER HUGHES A GE CO LLC·Filed 2018·Granted Mar 9, 2021·0 cites·12 claims
- 2764US9708547B2Water-based formulation of H2S/mercaptan scavenger for fluids in oilfield and refinery applicationsRAMACHANDRAN SUNDER·Filed 2011·Granted Jul 18, 2017·1 cites·17 claims
- 2860US7624804B2Method for recovering oil from a gas-lifted oil well penetrating a subterranean oil-bearing formationBAKER HUGHES INC·Filed 2007·Granted Dec 1, 2009·6 cites·8 claims
- 2960US2019308133A1In-line pipe contactorRAMACHANDRAN SUNDER·Filed 2019·Application pending·0 cites
- 3060US2019308136A1In-line pipe contactorRAMACHANDRAN SUNDER·Filed 2019·Application pending·0 cites
- 3159US10392712B2Chemical inhibition of pitting corrosion in methanolic solutions containing an organic halideBAKER HUGHES A GE CO LLC·Filed 2017·Granted Aug 27, 2019·0 cites·18 claims
- 3258US7288506B2Aluminum carboxylate drag reducers for hydrocarbon emulsionsBAKER HUGHES INC·Filed 2003·Granted Oct 30, 2007·1 cites·29 claims
- 3357US2017306247A1Water-based formulation of h2s/mercaptan scavenger for fluids in oilfield and refinery applicationsBAKER HUGHES A GE CO LLC·Filed 2017·Application pending·0 cites
- 3453US2016320769A1Method and device for obtaining measurements of downhole properties in a subterranean wellARAMCO SERVICES CO·Filed 2016·Application pending·0 cites
- 3551US11091998B2Downhole corrosion, erosion, scale and deposit monitoring systemSAUDI ARABIAN OIL CO·Filed 2018·Granted Aug 17, 2021·0 cites·12 claims
- 3649US11142831B2Corrosion control for supercritical carbon dioxide fluidsJACKSON TRACEY·Filed 2020·Granted Oct 12, 2021·0 cites·23 claims
- 3749US2020347718A1Detection and monitoring of corrosion inhibitors in oilfield fluidsBAKER HUGHES A GE CO LLC·Filed 2020·Application pending·0 cites
- 3848US11313218B2Downhole corrosion, erosion, scale and deposit monitoring systemSAUDI ARABIAN OIL CO·Filed 2017·Granted Apr 26, 2022·0 cites·8 claims
- 3948US2025197204A1Chemical Production Inside a Well Tubular/CasingBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 4045US2013101460A1Inhibiting corrosion in aqueous filmsBAKER HUGHES INC·Filed 2012·Application pending·0 cites
- 4143US10731457B2Wellbore analysis using TM01 and TE01 mode radar wavesSAUDI ARABIAN OIL CO·Filed 2017·Granted Aug 4, 2020·0 cites·13 claims
- 4242US2013090271A1Inhibiting corrosion caused by aqueous aldehyde solutionsKEENAN STEPHEN R·Filed 2012·Application pending·0 cites
- 4342US2013089460A1Inhibiting corrosion caused by aqueous aldehyde solutionsKEENAN STEPHEN R·Filed 2011·Application pending·0 cites
- 4441US2018201826A1Synergistic corrosion inhibitorsBAKER HUGHES A GE CO LLC·Filed 2018·Application pending·0 cites
- 4539US2015267113A1Dimercaptothiadiazoles to Prevent Corrosion of Mild Steel by Acid Gases in Oil and Gas ProductsBAKER HUGHES INC·Filed 2015·Application pending·0 cites
- 4638US8776901B2Prevention or mitigation of steel corrosion caused by combustion gasRAMACHANDRAN SUNDER·Filed 2011·Granted Jul 15, 2014·0 cites·20 claims
- 4738US2019367799A1Process and composition for removing metal sulfidesBAKER HUGHES A GE CO LLC·Filed 2017·Application pending·0 cites
- 4838US2019048712A1Method for monitoring quality assurance of chemicals in subsea umbilical systems to avoid blockageBAKER HUGHES A GE CO LLC·Filed 2018·Application pending·0 cites
- 4938US2016362598A1Decreasing corrosion on metal surfacesBAKER HUGHES INC·Filed 2016·Application pending·0 cites
- 5037US2004177968A1Gas lift method with surfactant injectionFiled 2002·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →