Arvind D. Patel
74Patents
28h-index
51Co-inventors
91Inventor score
Filing activity: Jan 11, 1982 → Sep 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5908814A | Drilling fluid additive and method for inhibiting hydration | Chemistry; Metallurgy | 131 | Expired |
| US5635458A | Water-based drilling fluids for reduction of water adsorption and hydration of argillaceous rocks | Chemistry; Metallurgy | 122 | Expired |
| US5424284A | Drilling fluid additive and method for inhibiting hydration | Chemistry; Metallurgy | 115 | Expired |
| US6247543A | Shale hydration inhibition agent and method of use | Emerging Cross-Sectional Technologies | 102 | Expired |
| US5189012A | Oil based synthetic hydrocarbon drilling fluid | Emerging Cross-Sectional Technologies | 99 | Expired |
| US6291405A | Glycol based drilling fluid | Chemistry; Metallurgy | 97 | Expired |
| US5977031A | Ester based invert emulsion drilling fluids and muds having negative alkalinity | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6609578B2 | Shale hydration inhibition agent and method of use | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6793025B2 | Double emulsion based drilling fluids | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6828279B2 | Biodegradable surfactant for invert emulsion drilling fluid | Chemistry; Metallurgy | 65 | Expired |
| US4471097A | Water soluble copolymers containing vinyl imidazole as drilling fluid additives | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6308788A | Conductive medium for openhole logging and logging while drilling | Chemistry; Metallurgy | 52 | Expired |
| US5707939A | Silicone oil-based drilling fluids | Chemistry; Metallurgy | 51 | Expired |
| US5789349A | Water-based drilling fluids with high temperature fluid loss control additive | Chemistry; Metallurgy | 49 | Expired |
| US4740319A | Oil base drilling fluid composition | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5888944A | Oil-based drilling fluid | Chemistry; Metallurgy | 46 | Expired |
| US5909779A | Oil-based drilling fluids suitable for drilling in the presence of acidic gases | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6589917B2 | Invert emulsion drilling fluids and muds having negative alkalinity and elastomer compatibility | Fixed Constructions | 39 | Expired |
| US5869433A | Non-fluorescing oil-based drilling fluid | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5134118A | Aqueous based drilling fluid | Chemistry; Metallurgy | 35 | Expired |
| US6806233B2 | Methods of using reversible phase oil based drilling fluid | Chemistry; Metallurgy | 33 | Expired |
| US6405809B2 | Conductive medium for openhold logging and logging while drilling | Physics | 32 | Expired |
| US6029755A | Conductive medium for openhole logging and logging while drilling | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4713183A | Oil based drilling fluid reversion | Chemistry; Metallurgy | 31 | Expired |
| US6790811B2 | Oil based drilling fluid | Emerging Cross-Sectional Technologies | 30 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.