Inventor · Duncan, OK, US

Daniel L. Bour

26Patents
12h-index
36Co-inventors
81Inventor score

Filing activity: Mar 7, 1990 → Jul 26, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5125455A Primary cementing Fixed Constructions 242 Expired
US5588488A Cementing multi-lateral wells Fixed Constructions 231 Expired
US5127473A Repair of microannuli and cement sheath Chemistry; Metallurgy 204 Expired
US5123487A Repairing leaks in casings Fixed Constructions 196 Expired
US5147565A Foamed well cementing compositions and methods Chemistry; Metallurgy 103 Expired
US5133409A Foamed well cementing compositions and methods Chemistry; Metallurgy 96 Expired
US4997487A High temperature set retarded well cement compositions and methods Chemistry; Metallurgy 45 Expired
US6488089B1 Methods of plugging wells Chemistry; Metallurgy 38 Expired
US6920929B2 Reverse circulation cementing system and method Fixed Constructions 36 Expired
US7124566B2 Cutting device, particularly a lawn mower Human Necessities 19 Expired
US7654326B1 Sorel cements and methods of making and using same Chemistry; Metallurgy 19 Active
US7217441B2 Methods for coating pipe comprising using cement compositions comprising high tensile strength fibers and/or a multi-purpose cement additive Emerging Cross-Sectional Technologies 14 Expired
US8272437B2 Enhanced geothermal systems and reservoir optimization Emerging Cross-Sectional Technologies 11 Active
US7740067B2 Method to control the physical interface between two or more fluids Emerging Cross-Sectional Technologies 8 Active
US8640772B2 Enhanced geothermal systems and reservoir optimization Emerging Cross-Sectional Technologies 7 Active
US9376885B2 Enhanced geothermal systems and reservoir optimization Emerging Cross-Sectional Technologies 6 Active
US9090810B2 High temperature temporary diverter and lost circulation material Fixed Constructions 6 Active
US7270183B2 Cementing methods using compressible cement compositions Chemistry; Metallurgy 6 Expired
US8353345B2 Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature Emerging Cross-Sectional Technologies 4 Active
US7490668B2 Method for designing and constructing a well with enhanced durability Fixed Constructions 3 Expired
US8091639B2 Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature Emerging Cross-Sectional Technologies 3 Active
US9458694B2 System and method for a slotted liner shoe extension Fixed Constructions 0 Active
US11953238B1 Systems and methods for thermal reach enhancement Emerging Cross-Sectional Technologies 0 Active
US8522872B2 In situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals Chemistry; Metallurgy 0 Active
US12241018B2 High thermal coefficient slurry compositions and methods therefor Emerging Cross-Sectional Technologies 0 Active

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