SCHLUMBERGER TECHNOLOGY CORPORATION
10,090Patents
7,235Active
10,090Granted
62Portfolio score
Filing activity: Aug 18, 1971 → Nov 20, 2024 · 2,169 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6354373B1 | Expandable tubing for a well bore hole and method of expanding | Fixed Constructions | 442 | Expired |
| US7845413B2 | Method of pumping an oilfield fluid and split stream oilfield pumping systems | Fixed Constructions | 428 | Active |
| US5979557A | Methods for limiting the inflow of formation water and for stimulating subterranean formations | Emerging Cross-Sectional Technologies | 350 | Expired |
| US6519568B1 | System and method for electronic data delivery | Physics | 345 | Expired |
| US6092610A | Actively controlled rotary steerable system and method for drilling wells | Fixed Constructions | 341 | Expired |
| US7387165B2 | System for completing multiple well intervals | Fixed Constructions | 332 | Expired |
| US4860581A | Down hole tool for determination of formation properties | Fixed Constructions | 330 | Expired |
| US6599863B1 | Fracturing process and composition | Emerging Cross-Sectional Technologies | 294 | Expired |
| US4936139A | Down hole method for determination of formation properties | Fixed Constructions | 276 | Expired |
| US6776235B1 | Hydraulic fracturing method | Fixed Constructions | 266 | Expired |
| US4901069A | Apparatus for electromagnetically coupling power and data signals between a first unit and a second unit and in particular between well bore apparatus and the surface | Emerging Cross-Sectional Technologies | 265 | Expired |
| US6980940B1 | Intergrated reservoir optimization | Emerging Cross-Sectional Technologies | 254 | Expired |
| US5119475A | Object-oriented framework for menu definition | Emerging Cross-Sectional Technologies | 251 | Expired |
| US5833001A | Sealing well casings | Fixed Constructions | 248 | Expired |
| US5992519A | Real time monitoring and control of downhole reservoirs | Fixed Constructions | 244 | Expired |
| US4994671A | Apparatus and method for analyzing the composition of formation fluids | Physics | 243 | Expired |
| US4806928A | Apparatus for electromagnetically coupling power and data signals between well bore apparatus and the surface | Emerging Cross-Sectional Technologies | 233 | Expired |
| US6172011A | Control of particulate flowback in subterranean wells | Chemistry; Metallurgy | 227 | Expired |
| US8506267B2 | Pump assembly | Mechanical Engineering; Lighting; Heating | 222 | Active |
| US6435277B1 | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | Emerging Cross-Sectional Technologies | 220 | Expired |
| US6106561A | Simulation gridding method and apparatus including a structured areal gridder adapted for use by a reservoir simulator | Physics | 218 | Expired |
| US6306800A | Methods of fracturing subterranean formations | Emerging Cross-Sectional Technologies | 213 | Expired |
| US6158529A | Rotary steerable well drilling system utilizing sliding sleeve | Fixed Constructions | 212 | Expired |
| US7322417B2 | Technique and apparatus for completing multiple zones | Fixed Constructions | 205 | Expired |
| US9556721B2 | Dual-pump formation fracturing | Fixed Constructions | 205 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.