Halliburton
🏢 View company profile →1,486Patents
2Active
1,486Granted
49Portfolio score
Filing activity: Mar 30, 1973 → Mar 16, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5426137A | Method for continuously mixing fluids | Emerging Cross-Sectional Technologies | 491 | Expired |
| US5396957A | Well completions with expandable casing portions | Fixed Constructions | 296 | Expired |
| US5325923A | Well completions with expandable casing portions | Fixed Constructions | 289 | Expired |
| US5373901A | Encapsulated breakers and method for use in treating subterranean formations | Chemistry; Metallurgy | 284 | Expired |
| US5332048A | Method and apparatus for automatic closed loop drilling system | Fixed Constructions | 281 | Expired |
| US5435395A | Method for running downhole tools and devices with coiled tubing | Fixed Constructions | 275 | Expired |
| US5479986A | Temporary plug system | Fixed Constructions | 262 | Expired |
| US5224540A | Downhole tool apparatus with non-metallic components and methods of drilling thereof | Fixed Constructions | 242 | Expired |
| US4808925A | Three magnet casing collar locator | Physics | 242 | Expired |
| US4555269A | Hydrolytically stable polymers for use in oil field cementing methods and compositions | Chemistry; Metallurgy | 237 | Expired |
| US4265266A | Controlled additive metering system | Emerging Cross-Sectional Technologies | 236 | Expired |
| US5588488A | Cementing multi-lateral wells | Fixed Constructions | 231 | Expired |
| US5121795A | Squeeze cementing | Emerging Cross-Sectional Technologies | 221 | Expired |
| US4311395A | Pivoting skid blender trailer | Performing Operations; Transporting | 217 | Expired |
| US5271468A | Downhole tool apparatus with non-metallic components and methods of drilling thereof | Fixed Constructions | 217 | Expired |
| US5346012A | Fine particle size cement compositions and methods | Emerging Cross-Sectional Technologies | 210 | Expired |
| US5499678A | Coplanar angular jetting head for well perforating | Fixed Constructions | 206 | Expired |
| US4676317A | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations | Chemistry; Metallurgy | 203 | Expired |
| US4515635A | Hydrolytically stable polymers for use in oil field cementing methods and compositions | Chemistry; Metallurgy | 194 | Expired |
| US4949788A | Well completions using casing valves | Fixed Constructions | 192 | Expired |
| US5582249A | Control of particulate flowback in subterranean wells | Emerging Cross-Sectional Technologies | 190 | Expired |
| US4829100A | Continuously forming and transporting consolidatable resin coated particulate materials in aqueous gels | Chemistry; Metallurgy | 188 | Expired |
| US4676832A | Set delayed cement compositions and methods of using the same | Chemistry; Metallurgy | 187 | Expired |
| US4532052A | Polymeric well treating method | Emerging Cross-Sectional Technologies | 185 | Expired |
| US5588489A | Lightweight well cement compositions and methods | Chemistry; Metallurgy | 183 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.