Simon J. Harrall
69Patents
19h-index
78Co-inventors
83Inventor score
Filing activity: Oct 25, 2001 → May 18, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6834725B2 | Reinforced swelling elastomer seal element on expandable tubular | Emerging Cross-Sectional Technologies | 178 | Expired |
| US6708767B2 | Downhole tubing | Fixed Constructions | 85 | Expired |
| US7836973B2 | Annulus pressure control drilling systems and methods | Fixed Constructions | 78 | Active |
| US8347982B2 | System and method for managing heave pressure from a floating rig | Fixed Constructions | 71 | Active |
| US8286734B2 | Low profile rotating control device | Emerging Cross-Sectional Technologies | 56 | Active |
| US8540035B2 | Extendable cutting tools for use in a wellbore | Fixed Constructions | 56 | Active |
| US6935430B2 | Method and apparatus for expanding a welded connection | Performing Operations; Transporting | 48 | Expired |
| US7104322B2 | Open hole anchor and associated method | Fixed Constructions | 45 | Expired |
| US8122975B2 | Annulus pressure control drilling systems and methods | Fixed Constructions | 38 | Active |
| US7578043B2 | Coupling tubulars | Emerging Cross-Sectional Technologies | 34 | Active |
| US7121351B2 | Apparatus and method for completing a wellbore | Fixed Constructions | 26 | Expired |
| US7004264B2 | Bore lining and drilling | Fixed Constructions | 25 | Expired |
| US8931569B2 | Method and apparatus for a wellbore assembly | Fixed Constructions | 25 | Active |
| US8016033B2 | Continuous flow drilling systems and methods | Fixed Constructions | 24 | Active |
| US7350588B2 | Method and apparatus for supporting a tubular in a bore | Fixed Constructions | 21 | Expired |
| US7543637B2 | Methods for expanding tubular strings and isolating subterranean zones | Fixed Constructions | 20 | Active |
| US7350584B2 | Formed tubulars | Fixed Constructions | 19 | Expired |
| US7275602B2 | Methods for expanding tubular strings and isolating subterranean zones | Fixed Constructions | 19 | Expired |
| US7152684B2 | Tubular hanger and method of lining a drilled bore | Fixed Constructions | 19 | Expired |
| US7357189B2 | Seal | Fixed Constructions | 19 | Expired |
| US7367389B2 | Tubing expansion | Fixed Constructions | 18 | Expired |
| US7500389B2 | Tubing expansion | Fixed Constructions | 17 | Active |
| US7373990B2 | Method and apparatus for expanding and separating tubulars in a wellbore | Fixed Constructions | 17 | Expired |
| US7634942B2 | Tubing expansion | Fixed Constructions | 15 | Active |
| US8881843B2 | Managed pressure and/or temperature drilling system and method | Fixed Constructions | 13 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.