Inventor · Al Khobar, SA

Sara A. Alkhalaf

24Patents
2h-index
29Co-inventors
46Inventor score

Filing activity: Nov 4, 2019 → Jun 23, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US11492536B2 Cement slurries and methods for cementing a casing in a wellbore Emerging Cross-Sectional Technologies 4 Active
US11286412B2 Water-based drilling fluid compositions and methods for drilling subterranean wells Chemistry; Metallurgy 4 Active
US11332656B2 LCM composition with controlled viscosity and cure time and methods of treating a lost circulation zone of a wellbore Fixed Constructions 2 Active
US11359125B2 Invert-emulsion drilling fluids and methods for reducing lost circulation in a subterranean formation using the invert-emulsion drilling fluids Chemistry; Metallurgy 2 Active
US11807803B1 Cement spacer fluid with polyethyleneimine hydrochloride salt as a shale inhibitor Fixed Constructions 1 Active
US11535557B2 Lignosulfonate and hydrolyzed carbohydrate retarder additive for cement mixture Chemistry; Metallurgy 1 Active
US11970423B2 Hydrocarboxylic acid derivative as a retarder additive for oil and gas wells cementing Chemistry; Metallurgy 0 Active
US12134728B2 Ethylene amine hydrochloride based shale inhibitor for aqueous drilling fluids Chemistry; Metallurgy 0 Active
US11448052B2 Cement and anti-corrosion fluid for casing isolation Chemistry; Metallurgy 0 Active
US11725130B2 Sodium lignosulfonate as a retarder additive for oil and gas wells cementing Emerging Cross-Sectional Technologies 0 Active
US11441061B2 Water-based drilling fluid compositions and methods for drilling subterranean wells Chemistry; Metallurgy 0 Active
US11773310B2 Accelerated cement composition for reducing corrosion of wellbore casings Chemistry; Metallurgy 0 Active
US11453816B2 Accelerated cement compositions and methods for treating lost circulation zones Chemistry; Metallurgy 0 Active
US10927284B2 Invert emulsion drilling fluids with fatty acid and fatty amine rheology modifiers Fixed Constructions 0 Active
US11396620B2 Epoxidized alpha olefin based anti-bit balling additive for water-based drilling fluids Chemistry; Metallurgy 0 Active
US11485894B2 Accelerated cement compositions and methods for top-job cementing of a wellbore to reduce corrosion Chemistry; Metallurgy 0 Active
US11535787B2 Spacer fluids and methods for cementing a casing in a wellbore Chemistry; Metallurgy 0 Active
US11939520B2 Methods and cement compositions for reducing corrosion of wellbore casings Chemistry; Metallurgy 0 Active
US11608467B2 Hydraulic fracturing fluids with an aqueous base fluid and clay stabilizer and methods for hydraulic fracturing using the same Chemistry; Metallurgy 0 Active
US12163385B1 Method and apparatus for downhole in-situ mixing using dual, concentric flow channels Fixed Constructions 0 Active
US12173226B2 Cement spacer fluid with polyethyleneimine hydrochloride salt as a shale inhibitor Fixed Constructions 0 Active
US11859465B2 Cement top job with non-retrievable tubing Fixed Constructions 0 Active
US11299662B2 Method to use lost circulation material composition comprising alkaline nanoparticle based dispersion and sodium bicarbonate in downhole conditions Chemistry; Metallurgy 0 Active
US11566157B2 Water-based drilling fluid compositions and methods for drilling subterranean wells Chemistry; Metallurgy 0 Active

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