Inventor · Duncan, OK, US

Larry S. Eoff

148Patents
35h-index
111Co-inventors
93Inventor score

Filing activity: Dec 22, 1992 → May 23, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6702044B2 Methods of consolidating formations or forming chemical casing or both while drilling Emerging Cross-Sectional Technologies 187 Expired
US6220350A High strength water soluble plug Fixed Constructions 165 Expired
US6823940B2 Methods of consolidating formations and forming a chemical casing Emerging Cross-Sectional Technologies 146 Expired
US6176315A Preventing flow through subterranean zones Emerging Cross-Sectional Technologies 140 Expired
US7066284B2 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Fixed Constructions 137 Expired
US6848519B2 Methods of forming a chemical casing Emerging Cross-Sectional Technologies 117 Expired
US6764981B1 Well treatment fluid and methods with oxidized chitosan-based compound Chemistry; Metallurgy 114 Expired
US6837316B2 Methods of consolidating formations Emerging Cross-Sectional Technologies 113 Expired
US6187839A Methods of sealing compositions and methods Chemistry; Metallurgy 106 Expired
US7007752B2 Well treatment fluid and methods with oxidized polysaccharide-based polymers Chemistry; Metallurgy 101 Expired
US6321841A Methods of sealing pipe strings in disposal wells Emerging Cross-Sectional Technologies 101 Expired
US6981552B2 Well treatment fluid and methods with oxidized polysaccharide-based polymers Chemistry; Metallurgy 96 Expired
US6476169B1 Methods of reducing subterranean formation water permeability Chemistry; Metallurgy 94 Expired
US7225879B2 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Fixed Constructions 91 Expired
US6497283B1 Well cement additives, compositions and methods Chemistry; Metallurgy 77 Expired
US7159656B2 Methods of reducing the permeabilities of horizontal well bore sections Chemistry; Metallurgy 76 Expired
US5339903A Method for control of gas migration in well cementing Chemistry; Metallurgy 73 Expired
US7833944B2 Methods and compositions using crosslinked aliphatic polyesters in well bore applications Chemistry; Metallurgy 70 Active
US6739806B1 Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations Emerging Cross-Sectional Technologies 70 Expired
US5501276A Drilling fluid and filter cake removal methods and compositions Emerging Cross-Sectional Technologies 70 Expired
US7552771B2 Methods to enhance gas production following a relative-permeability-modifier treatment Chemistry; Metallurgy 65 Active
US6607035B1 Preventing flow through subterranean zones Emerging Cross-Sectional Technologies 64 Expired
US8091638B2 Methods useful for controlling fluid loss in subterranean formations Fixed Constructions 58 Active
US6743288B2 Well cement additives, compositions and methods Chemistry; Metallurgy 57 Expired
US6364016B1 Methods of reducing the water permeability of subterranean formations Chemistry; Metallurgy 56 Expired

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