Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daniel George Purkis | Petrowell Limited | 59 |
| 2 | Andrew John Elrick | Weatherford Technology Holdings | 16 |
| 3 | Santiago Galvez Porta | Weatherford Technology Holdings | 8 |
| #4 | George M. Lorgen | Baker Hughes Holdings | 3 |
| #5 | Craig Rabey | — | 2 |
| #5 | Gavin Lafferty | Halliburton Energy Services | 2 |
| #5 | Dale Rabey | — | 2 |
| #5 | Doug Cowie | — | 2 |
| #5 | George Gibson Chalmers | Abb Vetco Gray | 2 |
| #5 | Darren James | — | 2 |
| #11 | Michael Ledingham | Morphpackers Limited | 1 |
| #11 | Ramune Tolenyte | — | 1 |
| #11 | Kenneth Delaney | — | 1 |
| #11 | Brian Fraser Findlay | — | 1 |
| #11 | Christopher William Hales | Baker Hughes Oilfield Operations | 1 |
| #11 | Greg Cowie | — | 1 |
| #11 | James B. Noble | — | 1 |
| #11 | Graham Stephen | — | 1 |
| #11 | Ranald Milne | Deep Vision | 1 |
| #11 | Les A. Morrison | Baker Hughes Holdings | 1 |