SCLUMBERGER TECHNOLOGY CORPORATION
10Patents
8Active
10Granted
47Portfolio score
Filing activity: Apr 25, 1997 → Dec 9, 2013 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6446727B1 | Process for hydraulically fracturing oil and gas wells | Fixed Constructions | 139 | Expired |
| US5816343A | Phased perforating guns | Fixed Constructions | 95 | Expired |
| US8167044B2 | Shaped charge | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US9135475B2 | System and method for performing downhole stimulation operations | Physics | 15 | Active |
| US7775779B2 | Pump apparatus, systems and methods | Emerging Cross-Sectional Technologies | 11 | Active |
| US8328539B2 | Submersible pump motor protector | Fixed Constructions | 5 | Active |
| US9459370B2 | Method of determining formation parameter | Physics | 3 | Active |
| US8347967B2 | Subsea tree safety control system | Fixed Constructions | 3 | Active |
| US9454593B2 | Method and system for accessing a virtual seismic cube | Emerging Cross-Sectional Technologies | 0 | Active |
| US8688383B2 | Forecasting asphaltic precipitation | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.