Inventor · Dhahran, SA

Rajendra Arunkumar Kalgaonkar

54Patents
7h-index
40Co-inventors
68Inventor score

Filing activity: May 20, 2010 → Oct 2, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9133386B2 Viscous settable fluid for lost circulation in subterranean formations Emerging Cross-Sectional Technologies 67 Active
US9045965B2 Biodegradable activators to gel silica sol for blocking permeability Chemistry; Metallurgy 61 Active
US10113406B1 Pulsed hydraulic fracturing with nanosilica carrier fluid Chemistry; Metallurgy 19 Active
US10053613B1 Plugging and sealing subterranean formations Chemistry; Metallurgy 18 Active
US10351755B2 Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester Chemistry; Metallurgy 10 Active
US10407609B2 Chemical plugs for preventing wellbore treatment fluid losses Chemistry; Metallurgy 9 Active
US11203712B1 Methods and compositions of using viscoelastic surfactants as diversion agents Fixed Constructions 9 Active
US10266748B2 Plugging and sealing subterranean formations Chemistry; Metallurgy 6 Active
US10954427B2 Method and composition for sealing a subsurface formation Chemistry; Metallurgy 5 Active
US11053426B2 Chemical plugs for preventing wellbore treatment fluid losses Chemistry; Metallurgy 4 Active
US11685855B2 Treatment of subterranean formations Chemistry; Metallurgy 4 Active
US10011755B2 Viscous settable fluid for lost circulation in subterranean formations Emerging Cross-Sectional Technologies 2 Active
US8408301B2 Shear tolerant aqueous based fracturing fluids and methods Chemistry; Metallurgy 1 Active
US10655049B1 Method and materials to convert a drilling mud into a solid gel based lost circulation material Chemistry; Metallurgy 1 Active
US11053428B2 Method and composition for sealing a subsurface formation Chemistry; Metallurgy 1 Active
US10151420B2 Solidified, thermally insulating composition Chemistry; Metallurgy 1 Active
US10457856B2 Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid Chemistry; Metallurgy 1 Active
US11230661B2 Propping open hydraulic fractures Chemistry; Metallurgy 1 Active
US10655050B1 Method and materials to convert a drilling mud into a solid gel based lost circulation material Chemistry; Metallurgy 1 Active
US9862874B2 Treatment fluids for reducing subterranean formation damage Fixed Constructions 1 Active
US10759986B2 Loss circulation material composition having alkaline nanoparticle based dispersion and water soluble hydrolysable ester Chemistry; Metallurgy 1 Active
US10745610B2 Method and composition for sealing a subsurface formation Chemistry; Metallurgy 1 Active
US11753574B2 Packer fluid with nanosilica dispersion and sodium bicarbonate for thermal insulation Chemistry; Metallurgy 0 Active
US10851279B2 Method and materials to convert a drilling mud into a solid gel based lost circulation material Chemistry; Metallurgy 0 Active
US9410070B2 Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer package Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.