Dan W. Pratt
18Patents
11h-index
22Co-inventors
72Inventor score
Filing activity: Oct 1, 1996 → Nov 11, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5785130A | High density perforating gun system | Fixed Constructions | 66 | Expired |
| US9523265B2 | Detonating cord clip | Mechanical Engineering; Lighting; Heating | 39 | Active |
| US7712416B2 | Apparatus and method for penetrating oilbearing sandy formations, reducing skin damage and reducing hydrocarbon viscosity | Mechanical Engineering; Lighting; Heating | 31 | Active |
| US7913761B2 | System and method for enhanced wellbore perforations | Fixed Constructions | 29 | Active |
| US6354219B1 | Shaped-charge liner | Fixed Constructions | 28 | Expired |
| US6012392A | Shaped charge liner and method of manufacture | Performing Operations; Transporting | 24 | Expired |
| US5797464A | System for producing high density, extra large well perforations | Fixed Constructions | 18 | Expired |
| US7621332B2 | Apparatus and method for perforating and fracturing a subterranean formation | Fixed Constructions | 17 | Expired |
| US6505559B1 | Well bore cutting and perforating devices and methods of manufacture | Fixed Constructions | 15 | Expired |
| US9598941B1 | Detonating cord clip | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US7610969B2 | Perforating methods and devices for high wellbore pressure applications | Fixed Constructions | 12 | Active |
| US9752421B2 | Pressure switch for selective firing of perforating guns | Fixed Constructions | 11 | Active |
| US9520219B2 | Retention member for perforating guns | Emerging Cross-Sectional Technologies | 10 | Active |
| US6655291B2 | Shaped-charge liner | Fixed Constructions | 10 | Expired |
| US8033332B2 | Apparatus and method for perforating and fracturing a subterranean formation | Fixed Constructions | 4 | Active |
| US8459186B2 | Devices and methods for perforating a wellbore | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8763532B2 | Devices and methods for perforating a wellbore | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10401137B2 | Retention member for perforating guns | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.