William Brian Underhill
15Patents
6h-index
40Co-inventors
66Inventor score
Filing activity: Feb 28, 2000 → Jan 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6308137A | Method and apparatus for communication with a downhole tool | Fixed Constructions | 98 | Expired |
| US9546548B2 | Methods for locating a cement sheath in a cased wellbore | Physics | 20 | Active |
| US6655458B2 | Formation testing instrument having extensible housing | Fixed Constructions | 14 | Expired |
| US8107317B2 | Technique and system for performing a cross well survey | Physics | 9 | Active |
| US7331386B2 | Anchor arm for seismic logging tool | Fixed Constructions | 7 | Expired |
| US10352145B2 | Method of calibrating fracture geometry to microseismic events | Fixed Constructions | 7 | Active |
| US11053668B1 | Intelligent water monitoring system | Electricity | 5 | Active |
| US9069099B2 | Method and apparatus for monitoring acoustic activity in a subsurface formation | Physics | 4 | Active |
| US7688674B2 | Methods and apparatus for performing moving checkshots | Physics | 4 | Active |
| US10472910B2 | Systems and methods for holding wireline device against well | Fixed Constructions | 2 | Active |
| US11098546B2 | Systems and methods for holding wireline device against well | Fixed Constructions | 2 | Active |
| US9310505B2 | Technique and system for performing a cross well survey | Physics | 1 | Active |
| US10761229B2 | Microseismic sensitivity analysis and scenario modelling | Physics | 0 | Active |
| US10935682B2 | Downhole seismic sensing synchronization systems and methods | Physics | 0 | Active |
| US11072983B2 | Systems and methods for holding wireline device against well | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.