INSTITUT FRANCAIS DU PETROLE
2,590Patents
184Active
2,590Granted
49Portfolio score
Filing activity: Nov 26, 1973 → Jan 25, 2013 · 181 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4094777A | Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass | Emerging Cross-Sectional Technologies | 251 | Expired |
| US5363094A | Stationary system for the active and/or passive monitoring of an underground deposit | Physics | 236 | Expired |
| US5458209A | Device, system and method for drilling and completing a lateral well | Fixed Constructions | 214 | Expired |
| US6049508A | Method for seismic monitoring of an underground zone under development allowing better identification of significant events | Physics | 162 | Expired |
| US4942926A | Device and method for carrying out operations and/or manipulations in a well | Fixed Constructions | 153 | Expired |
| US5016710A | Method of assisted production of an effluent to be produced contained in a geological formation | Fixed Constructions | 136 | Expired |
| US6625083B2 | Method and device intended for seismic exploration of an underwater subsurface zone using seismic receivers coupled with the water bottom | Emerging Cross-Sectional Technologies | 121 | Expired |
| US5908946A | Process for the production of esters from vegetable oils or animal oils alcohols | Chemistry; Metallurgy | 120 | Expired |
| US5186264A | Device for guiding a drilling tool into a well and for exerting thereon a hydraulic force | Fixed Constructions | 119 | Expired |
| US5086842A | Device and installation for the cleaning of drains, particularly in a petroleum production well | Fixed Constructions | 115 | Expired |
| US5822273A | Seismic acquisition and transmission system with functions decentralization | Physics | 112 | Expired |
| US4775009A | Process and device for installing seismic sensors inside a petroleum production well | Physics | 111 | Expired |
| US6203695A | Hydrotreating hydrocarbon feeds | Performing Operations; Transporting | 109 | Expired |
| US6505683B2 | Process for purification by combination of an effluent that contains carbon dioxide and hydrocarbons | Emerging Cross-Sectional Technologies | 108 | Expired |
| US6136198A | Process and device for separation with variable-length | Performing Operations; Transporting | 106 | Expired |
| US5217075A | Method and device for carrying out interventions in wells where high temperatures prevail | Fixed Constructions | 100 | Expired |
| US5844799A | Method for simulating the filling of a sedimentary basin | Physics | 97 | Expired |
| US5730234A | Method for determining drilling conditions comprising a drilling model | Fixed Constructions | 96 | Expired |
| US6413419B1 | Process and device for separation with variable-length chromatographic | Performing Operations; Transporting | 93 | Expired |
| US4088736A | Process for purifying a gas containing hydrogen sulfide and contact masses usable therefor | Chemistry; Metallurgy | 91 | Expired |
| US6070129A | Method and system for transmitting seismic data to a remote collection station | Physics | 91 | Expired |
| US5830822A | High temperature resistant oxidation catalyst, a process for its preparation and a combustion process using this catalyst | Performing Operations; Transporting | 87 | Expired |
| US5016709A | Process for assisted recovery of heavy hydrocarbons from an underground formation using drilled wells having an essentially horizontal section | Fixed Constructions | 86 | Expired |
| US5310012A | Actuating device associated with a drill string and comprising a hydrostatic drilling fluid circuit, actuation method and application thereof | Fixed Constructions | 83 | Expired |
| US5071452A | Gas separation membrane | Chemistry; Metallurgy | 83 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.