Inventor
KALGAONKAR RAJENDRA ARUNKUMAR
SA44 patents
⚠️ This page may combine multiple inventors who share the name “KALGAONKAR RAJENDRA ARUNKUMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAUDI ARABIAN OIL CO
42 patentsUS10053613B1Aug 21, 2018
Plugging and sealing subterranean formations
SAUDI ARABIAN OIL CO19 citations94
US10113406B1Oct 30, 2018
Pulsed hydraulic fracturing with nanosilica carrier fluid
SAUDI ARABIAN OIL CO31 citations90
US11685855B2Jun 27, 2023
Treatment of subterranean formations
SAUDI ARABIAN OIL CO5 citations84
US10407609B2Sep 10, 2019
Chemical plugs for preventing wellbore treatment fluid losses
SAUDI ARABIAN OIL CO10 citations84
US10266748B2Apr 23, 2019
Plugging and sealing subterranean formations
SAUDI ARABIAN OIL CO6 citations84
US11203712B1Dec 21, 2021
Methods and compositions of using viscoelastic surfactants as diversion agents
SAUDI ARABIAN OIL CO9 citations80
US11186759B2Nov 30, 2021
Chemical plugs for preventing wellbore treatment fluid losses
SAUDI ARABIAN OIL CO1 citations73
US11053426B2Jul 6, 2021
Chemical plugs for preventing wellbore treatment fluid losses
SAUDI ARABIAN OIL CO4 citations73
US11053428B2Jul 6, 2021
Method and composition for sealing a subsurface formation
SAUDI ARABIAN OIL CO1 citations73
US10954427B2Mar 23, 2021
Method and composition for sealing a subsurface formation
SAUDI ARABIAN OIL CO6 citations73
US10655049B1May 19, 2020
Method and materials to convert a drilling mud into a solid gel based lost circulation material
SAUDI ARABIAN OIL CO2 citations73
US10655050B1May 19, 2020
Method and materials to convert a drilling mud into a solid gel based lost circulation material
SAUDI ARABIAN OIL CO4 citations73
US10457856B2Oct 29, 2019
Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid
SAUDI ARABIAN OIL CO1 citations73
US12258516B2Mar 25, 2025
Methods to use water shutoff material composition comprising alkaline nanosilica dispersion and sodium bicarbonate in downhole conditions
SAUDI ARABIAN OIL CO0 citations62
US11299662B2Apr 12, 2022
Method to use lost circulation material composition comprising alkaline nanoparticle based dispersion and sodium bicarbonate in downhole conditions
SAUDI ARABIAN OIL CO1 citations62
US11203710B2Dec 21, 2021
Method and materials to convert a drilling mud into a solid gel based lost circulation material
SAUDI ARABIAN OIL CO1 citations62
US11124691B2Sep 21, 2021
Method and materials to convert a drilling mud into a solid gel based lost circulation material
SAUDI ARABIAN OIL CO0 citations62
US10745610B2Aug 18, 2020
Method and composition for sealing a subsurface formation
SAUDI ARABIAN OIL CO1 citations62
US12139660B2Nov 12, 2024
Treatment of subterranean formations
SAUDI ARABIAN OIL CO0 citations61
US12152194B2Nov 26, 2024
Low surface tension surfactant system for enhancing flow-back performance
SAUDI ARABIAN OIL CO0 citations60
US11866644B1Jan 9, 2024
Fracturing fluid based on oilfield produced fluid
SAUDI ARABIAN OIL CO0 citations60
US11739255B2Aug 29, 2023
Methods and compositions of piperazine-based viscoelastic surfactants as diversion agents
SAUDI ARABIAN OIL CO0 citations60
US11718776B2Aug 8, 2023
Method to use loss circulation material composition comprising acidic nanoparticle based dispersion and sodium bicarbonate in downhole conditions
SAUDI ARABIAN OIL CO0 citations60
US11643590B1May 9, 2023
Methods and compositions of using viscoelastic surfactants as diversion agents
SAUDI ARABIAN OIL CO0 citations60
US12590522B2Mar 31, 2026
Viscoelastic surfactants for acid diversion in downhole operations
SAUDI ARABIAN OIL CO0 citations59
US12071838B2Aug 27, 2024
Viscoelastic surfactants for acid diversion in downhole operations
SAUDI ARABIAN OIL CO0 citations59
US11149190B2Oct 19, 2021
Compositions and methods for acid diversion during acid stimulation of subterranean formations
SAUDI ARABIAN OIL CO0 citations59
US12480385B2Nov 25, 2025
Method for downhole chemical storage for well mitigation and reservoir treatments
SAUDI ARABIAN OIL CO0 citations58
US12480037B2Nov 25, 2025
Material and method for flow diversion in proppant fracturing
SAUDI ARABIAN OIL CO0 citations57
US11236264B2Feb 1, 2022
Methods and compositions using a combination of zwitterionic surfactants and gemini surfactants as diversion agents
SAUDI ARABIAN OIL CO1 citations57
US11230661B2Jan 25, 2022
Propping open hydraulic fractures
SAUDI ARABIAN OIL CO1 citations56
US12545831B2Feb 10, 2026
Method and compositions for stimulating subterranean formations
SAUDI ARABIAN OIL CO0 citations55
US12540271B2Feb 3, 2026
Compositions for enhancing viscosity of subterranean fluids utilizing chelating agents
SAUDI ARABIAN OIL CO0 citations55
US12122956B1Oct 22, 2024
Materials and method for diverter fracturing
SAUDI ARABIAN OIL CO0 citations55
US12264282B2Apr 1, 2025
Ultra-lightweight proppants
SAUDI ARABIAN OIL CO0 citations54
US12359112B2Jul 15, 2025
Nanosilica-based compositions and related methods for providing water shut off to subterranean formations
SAUDI ARABIAN OIL CO0 citations52
US10655057B2May 19, 2020
Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid
SAUDI ARABIAN OIL CO0 citations52
US10465109B2Nov 5, 2019
Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid
SAUDI ARABIAN OIL CO0 citations52
US11746279B2Sep 5, 2023
Fracturing fluids based on viscoelastic surfactants
SAUDI ARABIAN OIL CO0 citations50
US11713412B2Aug 1, 2023
Piperazine-based viscoelastic surfactants for hydraulic fracturing applications
SAUDI ARABIAN OIL CO0 citations50
US12281572B1Apr 22, 2025
Determining hydrocarbon production from multiple subterranean formations
SAUDI ARABIAN OIL CO0 citations49
US11959017B1Apr 16, 2024
Methods and materials for wellbore fluid diversion using visco-elastic surfactants
SAUDI ARABIAN OIL CO0 citations48