Cosan Ayan
37Patents
7h-index
88Co-inventors
68Inventor score
Filing activity: Nov 27, 2002 → Nov 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9051822B2 | Formation treatment evaluation | Fixed Constructions | 76 | Active |
| US7725302B2 | Method and system and program storage device for generating an SWPM-MDT workflow in response to a user objective and executing the workflow to produce a reservoir response model | Physics | 40 | Active |
| US6729400B2 | Method for validating a downhole connate water sample | Fixed Constructions | 30 | Expired |
| US7614294B2 | Systems and methods for downhole fluid compatibility | Fixed Constructions | 16 | Active |
| US7886825B2 | Formation fluid sampling tools and methods utilizing chemical heating | Fixed Constructions | 15 | Active |
| US8283174B2 | Formation fluid sampling tools and methods utilizing chemical heating | Fixed Constructions | 12 | Active |
| US7913557B2 | Adjustable testing tool and method of use | Fixed Constructions | 11 | Active |
| US9845673B2 | System and method for controlled pumping in a downhole sampling tool | Fixed Constructions | 7 | Active |
| US9422811B2 | Packer tool including multiple port configurations | Fixed Constructions | 7 | Active |
| US8720552B2 | Tool and method for determining formation parameter | Physics | 6 | Active |
| US8297354B2 | Tool and method for determining formation parameter | Physics | 5 | Active |
| US10626721B2 | System and method for controlled pumping in a downhole sampling tool | Fixed Constructions | 4 | Active |
| US7999542B2 | Method for determining formation parameter | Physics | 3 | Active |
| US8939033B2 | Flow meter system and method for measuring an amount of liquid in a largely gaseous multiphase flow | Physics | 3 | Active |
| US9347299B2 | Packer tool including multiple ports | Fixed Constructions | 3 | Active |
| US9534481B2 | Formation treatment evaluation | Fixed Constructions | 2 | Active |
| US10228325B2 | Downhole fluid analysis method and apparatus for determining viscosity | Physics | 2 | Active |
| US11280191B2 | Method for characterization of hydrocarbon reservoirs | Fixed Constructions | 2 | Active |
| US9316083B2 | Adjustable testing tool and method of use | Fixed Constructions | 2 | Active |
| US10316655B2 | Method and apparatus for consistent and robust fitting in oil based mud filtrate contamination monitoring from multiple downhole sensors | Fixed Constructions | 2 | Active |
| US10444402B2 | Automatic fluid coding and hydraulic zone determination | Physics | 1 | Active |
| US10358917B2 | Generating relative permeabilities and capillary pressures | Physics | 1 | Active |
| US11768191B2 | Methods and systems for estimation of oil formation volume factor | Physics | 1 | Active |
| US8120357B2 | Method and system for fluid characterization of a reservoir | Physics | 1 | Active |
| US11230924B2 | Interpretation of pressure test data | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.