Paul Hazel
35Patents
6h-index
10Co-inventors
62Inventor score
Filing activity: Feb 26, 2003 → Mar 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7017670B2 | Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole | Fixed Constructions | 29 | Expired |
| US8291986B2 | Expandable liner hanger | Fixed Constructions | 8 | Active |
| US9145761B2 | Subsea well intervention module | Fixed Constructions | 8 | Active |
| US9353607B2 | Inflow control in a production casing | Fixed Constructions | 7 | Active |
| US9080415B2 | Annular barrier and annular barrier system | Fixed Constructions | 6 | Active |
| US9206666B2 | Annular barrier with external seal | Fixed Constructions | 6 | Active |
| US9725980B2 | Annular barrier with pressure amplification | Fixed Constructions | 5 | Active |
| US9518439B2 | Annular barrier with a self-actuated device | Fixed Constructions | 5 | Active |
| US9359860B2 | Annular barrier | Fixed Constructions | 4 | Active |
| US9127533B2 | Well completion | Fixed Constructions | 3 | Active |
| US9366107B2 | Annular barrier with an expansion detection device | Fixed Constructions | 2 | Active |
| US10267144B2 | Downhole sensor system | Fixed Constructions | 2 | Active |
| US10677013B2 | Annular barrier with shunt tube | Fixed Constructions | 1 | Active |
| US9835023B2 | Barrier testing method | Fixed Constructions | 1 | Active |
| US10689941B2 | Downhole tubular assembly of a well tubular structure | Fixed Constructions | 1 | Active |
| US11208865B2 | Downhole straddle assembly | Fixed Constructions | 1 | Active |
| US9194218B2 | Tubular assembly | Emerging Cross-Sectional Technologies | 1 | Active |
| US9267363B2 | Downhole artificial lifting system | Fixed Constructions | 1 | Active |
| US10731438B2 | Downhole well tubular structure with valve sleeve | Fixed Constructions | 1 | Active |
| US9745819B2 | Annular barrier and annular barrier system | Fixed Constructions | 1 | Active |
| US10400542B2 | Downhole completion system | Fixed Constructions | 1 | Active |
| US10202819B2 | Annular barrier and annular barrier system | Fixed Constructions | 1 | Active |
| US10364638B2 | Annular barrier | Fixed Constructions | 1 | Active |
| US10253591B2 | Downhole string for drilling through a low pressure zone | Fixed Constructions | 1 | Active |
| US9404335B2 | Annular barrier system with flow lines | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.