Inventor · disambiguated record
Rajendra Arunkumar Kalgaonkar
Also filed as: KALGAONKAR RAJENDRA · KALGAONKAR RAJENDRA A · KALGAONKAR RAJENDRA ARUNKUMAR
56 granted patents·16 pending applications·253 citations·filing 2010–2025
98Inventor score
Files withSAUDI ARABIAN OIL CO61HALLIBURTON ENERGY SERVICES INC7HALLIBURTON ENERGY SERV INC2LORD PAUL D1PATIL PRAJAKTA R1
Top patents by PatentIndex Score
72 records- 0197US10053613B1Plugging and sealing subterranean formationsSAUDI ARABIAN OIL CO·Filed 2017·Granted Aug 21, 2018·19 cites·10 claims
- 0297US9133386B2Viscous settable fluid for lost circulation in subterranean formationsHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Sep 15, 2015·68 cites·26 claims
- 0396US10407609B2Chemical plugs for preventing wellbore treatment fluid lossesSAUDI ARABIAN OIL CO·Filed 2017·Granted Sep 10, 2019·10 cites·10 claims
- 0496US10351755B2Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyesterSAUDI ARABIAN OIL CO·Filed 2017·Granted Jul 16, 2019·10 cites·11 claims
- 0596US9045965B2Biodegradable activators to gel silica sol for blocking permeabilityPATIL PRAJAKTA R·Filed 2012·Granted Jun 2, 2015·63 cites·20 claims
- 0694US11685855B2Treatment of subterranean formationsSAUDI ARABIAN OIL CO·Filed 2021·Granted Jun 27, 2023·5 cites·16 claims
- 0793US11203712B1Methods and compositions of using viscoelastic surfactants as diversion agentsSAUDI ARABIAN OIL CO·Filed 2020·Granted Dec 21, 2021·9 cites·30 claims
- 0893US10954427B2Method and composition for sealing a subsurface formationSAUDI ARABIAN OIL CO·Filed 2018·Granted Mar 23, 2021·6 cites·16 claims
- 0993US10266748B2Plugging and sealing subterranean formationsSAUDI ARABIAN OIL CO·Filed 2018·Granted Apr 23, 2019·6 cites·10 claims
- 1093US10113406B1Pulsed hydraulic fracturing with nanosilica carrier fluidSAUDI ARABIAN OIL CO·Filed 2017·Granted Oct 30, 2018·31 cites·25 claims
- 1192US11053426B2Chemical plugs for preventing wellbore treatment fluid lossesSAUDI ARABIAN OIL CO·Filed 2019·Granted Jul 6, 2021·4 cites·4 claims
- 1291US10655050B1Method and materials to convert a drilling mud into a solid gel based lost circulation materialSAUDI ARABIAN OIL CO·Filed 2019·Granted May 19, 2020·4 cites·20 claims
- 1386US10655049B1Method and materials to convert a drilling mud into a solid gel based lost circulation materialSAUDI ARABIAN OIL CO·Filed 2019·Granted May 19, 2020·2 cites·21 claims
- 1484US11299662B2Method to use lost circulation material composition comprising alkaline nanoparticle based dispersion and sodium bicarbonate in downhole conditionsSAUDI ARABIAN OIL CO·Filed 2020·Granted Apr 12, 2022·1 cites·16 claims
- 1583US11203710B2Method and materials to convert a drilling mud into a solid gel based lost circulation materialSAUDI ARABIAN OIL CO·Filed 2020·Granted Dec 21, 2021·1 cites·21 claims
- 1683US11186759B2Chemical plugs for preventing wellbore treatment fluid lossesSAUDI ARABIAN OIL CO·Filed 2019·Granted Nov 30, 2021·1 cites·13 claims
- 1782US11053428B2Method and composition for sealing a subsurface formationSAUDI ARABIAN OIL CO·Filed 2019·Granted Jul 6, 2021·1 cites·19 claims
- 1882US10457856B2Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluidSAUDI ARABIAN OIL CO·Filed 2019·Granted Oct 29, 2019·1 cites·8 claims
- 1982US10011755B2Viscous settable fluid for lost circulation in subterranean formationsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jul 3, 2018·2 cites·20 claims
- 2081US10759986B2Loss circulation material composition having alkaline nanoparticle based dispersion and water soluble hydrolysable esterSAUDI ARABIAN OIL CO·Filed 2017·Granted Sep 1, 2020·1 cites·7 claims
- 2180US10745610B2Method and composition for sealing a subsurface formationSAUDI ARABIAN OIL CO·Filed 2018·Granted Aug 18, 2020·1 cites·19 claims
- 2278US11236264B2Methods and compositions using a combination of zwitterionic surfactants and gemini surfactants as diversion agentsSAUDI ARABIAN OIL CO·Filed 2020·Granted Feb 1, 2022·1 cites·28 claims
- 2375US12071838B2Viscoelastic surfactants for acid diversion in downhole operationsSAUDI ARABIAN OIL CO·Filed 2022·Granted Aug 27, 2024·0 cites·9 claims
- 2473US11352546B2Loss circulation material composition having alkaline nanoparticle based dispersion and water soluble hydrolysable esterSAUDI ARABIAN OIL CO·Filed 2020·Granted Jun 7, 2022·0 cites·6 claims
- 2573US11230661B2Propping open hydraulic fracturesSAUDI ARABIAN OIL CO·Filed 2020·Granted Jan 25, 2022·1 cites·5 claims
- 2673US10961430B2Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyesterSAUDI ARABIAN OIL CO·Filed 2019·Granted Mar 30, 2021·0 cites·10 claims
- 2771US12139660B2Treatment of subterranean formationsSAUDI ARABIAN OIL CO·Filed 2023·Granted Nov 12, 2024·0 cites·4 claims
- 2871US11866644B1Fracturing fluid based on oilfield produced fluidSAUDI ARABIAN OIL CO·Filed 2022·Granted Jan 9, 2024·0 cites·12 claims
- 2971US10465109B2Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluidSAUDI ARABIAN OIL CO·Filed 2019·Granted Nov 5, 2019·0 cites·10 claims
- 3069US9862874B2Treatment fluids for reducing subterranean formation damageHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jan 9, 2018·1 cites·13 claims
- 3169US8408301B2Shear tolerant aqueous based fracturing fluids and methodsLORD PAUL D·Filed 2010·Granted Apr 2, 2013·2 cites·18 claims
- 3267US12480037B2Material and method for flow diversion in proppant fracturingSAUDI ARABIAN OIL CO·Filed 2024·Granted Nov 25, 2025·0 cites·17 claims
- 3367US10655057B2Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluidSAUDI ARABIAN OIL CO·Filed 2017·Granted May 19, 2020·0 cites·12 claims
- 3467US9260648B2Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer packageHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Feb 16, 2016·1 cites·18 claims
- 3566US10151420B2Solidified, thermally insulating compositionHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Dec 11, 2018·1 cites·16 claims
- 3665US10851279B2Method and materials to convert a drilling mud into a solid gel based lost circulation materialSAUDI ARABIAN OIL CO·Filed 2020·Granted Dec 1, 2020·0 cites·4 claims
- 3764US12264282B2Ultra-lightweight proppantsSAUDI ARABIAN OIL CO·Filed 2022·Granted Apr 1, 2025·0 cites·8 claims
- 3864US11753574B2Packer fluid with nanosilica dispersion and sodium bicarbonate for thermal insulationSAUDI ARABIAN OIL CO·Filed 2021·Granted Sep 12, 2023·0 cites·19 claims
- 3964US2025197715A1Ultra-lightweight proppantsSAUDI ARABIAN OIL CO·Filed 2025·Application pending·0 cites
- 4063US12152194B2Low surface tension surfactant system for enhancing flow-back performanceSAUDI ARABIAN OIL CO·Filed 2023·Granted Nov 26, 2024·0 cites·24 claims
- 4163US2019225868A1Coated Silica ParticlesSAUDI ARABIAN OIL CO·Filed 2019·Application pending·0 cites
- 4263US2025305377A1Lost circulation material compositions utilizing spent drilling fluids and methods for using the sameSAUDI ARABIAN OIL CO·Filed 2024·Application pending·0 cites
- 4362US12258516B2Methods to use water shutoff material composition comprising alkaline nanosilica dispersion and sodium bicarbonate in downhole conditionsSAUDI ARABIAN OIL CO·Filed 2021·Granted Mar 25, 2025·0 cites·18 claims
- 4461US12359112B2Nanosilica-based compositions and related methods for providing water shut off to subterranean formationsSAUDI ARABIAN OIL CO·Filed 2023·Granted Jul 15, 2025·0 cites·9 claims
- 4561US2018346797A1Coated Silica ParticlesSAUDI ARABIAN OIL CO·Filed 2018·Application pending·0 cites
- 4660US12122956B1Materials and method for diverter fracturingSAUDI ARABIAN OIL CO·Filed 2023·Granted Oct 22, 2024·0 cites·18 claims
- 4760US11015102B2Loss circulation material composition having alkaline nanoparticle based dispersion, water insoluble hydrolysable polyester, and formaldehyde resinSAUDI ARABIAN OIL CO·Filed 2019·Granted May 25, 2021·0 cites·11 claims
- 4860US2019161668A1Method and materials to convert a drilling mud into a solid gel based lost circulation materialSAUDI ARABIAN OIL CO·Filed 2017·Application pending·0 cites
- 4960US2025002775A1Method to use loss circulation material composition comprising acidic nanoparticle-based dispersion and formate based activator in downhole conditionsSAUDI ARABIAN OIL CO·Filed 2023·Application pending·0 cites
- 5059US11959017B1Methods and materials for wellbore fluid diversion using visco-elastic surfactantsSAUDI ARABIAN OIL CO·Filed 2022·Granted Apr 16, 2024·0 cites·10 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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