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| Number | Title | Issue Date |
| 8092681 | Method and device for separating constituents of a liquid feed by liquid-liquid centrifugal chromatography The invention relates to a method for separating constituents of a liquid feed by liquid-liquid centrifugal chromatography and to a device for implementing it. Constituents (A, B) having different partition coefficients such that they are respectively carried along ... | 01/10/2012 |
| 8091340 | Method of controlling the intake of an internal-combustion engine, notably of gasoline or diesel type, and engines using same The present invention relates to a method of controlling the intake of an internal-combustion engine comprising at least two groups (12, 14) of at least one cylinder (C1-C4) wherein a feed is admitted for operation of said engine, and an exhaust... | 01/10/2012 |
| 8042382 | Device for measuring physical characteristics of a porous sample Device for measuring physical characteristics of a porous sample by performing successive drainage and imbibition phases in the presence of a first electricity-conducting fluid and of a second fluid of lower density than the first fluid, by means of a centrifuge who... | 10/25/2011 |
| 8038342 | Method of analyzing the kinetics of gas hydrate formation in fluids The present invention relates to a method for determining the kinetics of gas hydrate formation in a fluid comprising water, wherein the following stages are carried out: a sample of the fluid is provided in form of a water-in-oil ... | 10/18/2011 |
| 8037939 | Riser pipe with rigid auxiliary lines The invention relates to a riser pipe section comprising a main tube (2), at least one auxiliary line element (3) arranged substantially parallel to said tube (2), characterized in that the ends of main tube (2) comprise connecting means ... | 10/18/2011 |
| 8027792 | Method for carrying out a quantitative analysis of a mixture of molecular compounds by two-dimensional gas chromatography The Invention is a method for quantitative analysis of a mixture of molecular compounds by two-dimensional gas chromatography having application for quantitative analysis of products from the chemical or petroleum industry. A two-dimensional gas chromatography is ca... | 09/27/2011 |
| 8027517 | Method for stratigraphic interpretation of seismic images A method for stratigraphic interpretation of a seismic image for determining a sedimentary history of an underground zone having application to petroleum exploration. The seismic reflectors of the image are digitized by means of an applied shape recognition techniqu... | 09/27/2011 |
| 8025041 | Method of removing the fuel contained in the lubricating oil of an internal-combustion engine and engine using same The present invention relates to a method removing the fuel contained in the lubricating oil of an internal-combustion engine comprising an engine block with an air intake circuit for a fuel mixture, a burnt gas exhaust circuit, an oil sump and means for pumping the... | 09/27/2011 |
| 8024960 | Method and device for evaluating flow parameters and electric parameters of porous medium A method and device is disclosed for evaluating simultaneously, and with the same equipment, the electric resistivity and flow parameters of a porous medium, from experimental measurements obtained from at least one multi-flow type displacement experiment which has ... | 09/27/2011 |
| 8024166 | Method of estimating the instantaneous engine speed produced by each cylinder of an internal-combustion engine The invention is a method for real-time estimation of the instantaneous engine speed produced by each cylinder of an internal-combustion engine, from an instantaneous engine speed measurement at the end of the engine transmission system. A physical model, representi... | 09/20/2011 |
| 8020461 | Travel drive system for hybrid vehicle and method using same A travel drive system for a hybrid vehicle includes a thermal engine with an engine output shaft carrying a clutch, a driven shaft connected to said clutch and linked to a speed variation means, at least one electric machine with a rotor, and a motion transmission c... | 09/20/2011 |
| 7985331 | Method for eliminating the carbonyl sulfide contained in a liquid hydrocarbon stream The liquid hydrocarbon stream including COS is introduced via line 1 into membrane contactor CM to be placed in contact, through membrane M, with the aqueous alkanolamine solution arriving via line 3. The COS contained in the hydrocarbon stream is abso... | 07/26/2011 |
| 7974785 | Method for quantitative evaluation of fluid pressures and detection of overpressures in an underground medium Method for evaluating fluid pressures in an underground zone by means of seismic and well data. The zone studied is divided into several time analysis intervals. For each of these intervals, a pre-stack stratigraphic inversion of the seismic data is then carried out... | 07/05/2011 |
| 7942129 | Method of controlling a spark-ignition supercharged internal-combustion engine, notably of gasoline type The present invention relates to a method of controlling a spark-ignition supercharged internal-combustion engine, notably of gasoline type, comprising at least one cylinder (12) with a combustion chamber (14), at least two intake means (24, 26)... | 05/17/2011 |
| 7937206 | Fuel mixture autoignition control method, notably for diesel type internal-combustion engines, and engine using same The present invention relates to a method for controlling autoignition of a fuel mixture, notably for a diesel type internal-combustion engine, according to which a fuel mixture is made in at least one combustion chamber (14) of the engine with a fuel and at ... | 05/03/2011 |
| 7931735 | Oxycombustion method allowing capture of all of the carbon dioxide produced The invention relates to an oxycombustion method with capture of the CO2 produced. Mixer M supplies chamber CC with a mixture of oxygen from unit O and of recycled fumes from storage drum SG. Chamber CC is supplied with oxidizer from mixer M and with fuel... | 04/26/2011 |
| 7920954 | Method and system for multi-purposely controlling an internal-combustion engine on an engine bench testing unit A system and a method is disclosed for universal operation of an internal-combustion engine (2), comprising at least an actuator connected to a working device of the engine, an electronic card (3) including a recording medium for a programmable logic F... | 04/05/2011 |
| 7918082 | Method and device intended for desulfation of a nitric oxide trap and regeneration of a particle filter A method is intended for desulfation of a nitric oxide trap (22) and regeneration of a particle filter (24) arranged in an exhaust line (20) for treating exhaust gas from an internal-combustion engine (10), notably a Diesel engine. The sa... | 04/05/2011 |
| 7909025 | Method of controlling scavenging of the burnt gas of an indirect-injection engine, notably a supercharged engine, and engine using such a method The present invention relates to a method of controlling an indirect-injection engine, notably a supercharged engine, in particular a spark-ignition engine, comprising at least one cylinder (10) including a combustion chamber (12), at least two air int... | 03/22/2011 |
| 7892348 | Well cementing material The present invention relates to a formulation of a high-performance foamed cement material, comprising: at least one hydraulic binder, microparticles whose grain size ranges between 0.1 and 30 μm, whose proportio... | 02/22/2011 |
| 7874276 | Fuel injection control method for an internal-combustion engine and engine using the same The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30) running in said cylinder, with a projection (34) ... | 01/25/2011 |
| 7858564 | Well fluid comprising a fluorinated liquid phase A well drilling, completion or workover fluid has a continuous phase of the fluid essentially consists of a liquid fluorinated compound. In a variant, the liquid fluorinated compound is a perfluorinated compound. ... | 12/28/2010 |
| 7853440 | Method for large-scale modelling and simulation of carbonate wells stimulation Method for modeling acidification within a porous medium as a result of the injection of an acid. A dual-medium model is constructed, considering a first sub-medium favorable to dissolution breakthroughs and a second sub-medium not favorable to dissolution br... | 12/14/2010 |
| 7803271 | Method of extracting the hydrogen sulfide contained in a hydrocarbon gas The invention provides a method of extracting the hydrogen sulfide contained in a gas comprising aromatic hydrocarbons, wherein the following stages are carried out: a) contacting said gas with an absorbent solution so as to obtain a gas depleted in hydrogen ... | 09/28/2010 |
| 7789050 | Device and method for varying a compression ratio of an internal combustion engine The invention relates to a device for varying a compression ratio in an internal combustion engine comprising at least one cylinder (10) provided with a combustion chamber (20), a movable element provided with a piston (14) which is translationa... | 09/07/2010 |
| 7778810 | Method for simulating fluid flows within a medium discretized by a hybrid grid A method for evaluating fluid flows within a heterogeneous formation, crossed by one or more geometric discontinuities, comprising generating a hybrid grid from a CPG type grid and from structured grids having application, for example, in simulation of hydrocarbon r... | 08/17/2010 |
| 7772004 | Method and device for determining petroleum characteristics of geologic sediments The invention relates to a method allowing to determine at least one petroleum characteristic of a geologic sediment sample, wherein the sample is heated in an oxidizing atmosphere, its temperature being successively raised to a first, then to a second value, said f... | 08/10/2010 |
| 7768870 | Method for adjusting a seismic wave velocity model according to information recorded in wells The invention is a method for defining the development conditions of a hydrocarbon reservoir by updating a velocity model by means of log data. A first seismic depth image representative of the reservoir is established by using seismic data and a velocity model. A s... | 08/03/2010 |
| 7325647 | Mobile system for seismic emission with fixed coupling devices, and method therefor Seismic emission system for use in an underground formation, using at least one seismic source movable successively in a plurality of prepared activation locations and method for implementing same. The system comprises for example a plurality of coupling devi... | 02/05/2008 |
| 7256152 | Composition of catalyst and solvent and catalysis processes using this composition A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an organic cation and A− represents an an... | 08/14/2007 |
| 7241815 | Process for synthesising hydrocarbons in a three-phase reactor in the presence of a catalyst comprising a group VIII metal supported on zirconia or on a zirconia-alumina mixed oxide A process is described for synthesising hydrocarbons from a mixture comprising carbon monoxide and hydrogen and possibly carbon dioxide CO2, in the presence of a supported catalyst comprising at least one group VIII metal. The support comprises zirconia o... | 07/10/2007 |
| 7238329 | Device for injecting a fluid located between two successive beds to simultaneously produce and distribute a polyphase mixture A device located between two successive granular beds (203) and (205) for injecting a secondary fluid can produce and distribute a polyphase mixture between said secondary fluid and a fluid or mixture of fluids originating from the upper granular bed a... | 07/03/2007 |
| 7235173 | Hydrotreating catalyst that contains a nitrogen-containing organic compound and its use A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive that contains at least one nitrogen atom, is used for the transformatio... | 06/26/2007 |
| 7221165 | Method and device for measuring the resistivity anisotropy of layered rock samples A method and device with application to petrophysical measurements on porous rocks for measuring the resistivity anisotropy of rocks exhibiting layerings of different conductivity such as laminations is disclosed. The method comprises setting a sample saturated with... | 05/22/2007 |
| 7092823 | Method of forming a model representative of the distribution of a physical quantity in an underground zone, free of the effect of correlated noises contained in exploration data The invention is a method of estimating, from data obtained by exploration of a zone of a heterogeneous medium, a model representative of a distribution, in the zone, of at least one physical quantity, the model being free of a presence of correlated noises that may... | 08/15/2006 |
| 7080689 | Instrumentation assembly for an offshore riser The present invention relates to an instrumentation assembly intended for an offshore riser (2) operated from a floater (1). It comprises a central processing unit (PC) connected by conducting cables (27) to: a... | 07/25/2006 |
| 6824747 | Device for connecting a pipe that is intended for heating/or cooling a pressurized reactor and said reactor Device for connecting a heat exchange pipe (4), whereby said pipe (4) is positioned between walls (11) that are located on both sides of pipe (4), intended for heating and/or cooling a reactor, whose internal pressure is considerably high... | 11/30/2004 |
| 6652754 | Process for determining by simulation the optimum stabilization conditions of a simulated moving bed separation system A process for determining by simulation the optimum stabilization conditions of a simulated moving bed (SMB) separation system allows to obtain set values for the purity of an extracted constituent and for the efficiency. In order to determine the optimum... | 11/25/2003 |
| 6641715 | Method and device for catalytic cracking comprising reactors with descending and ascending flows An entrained bed or fluidised bed process for catalytic cracking of a hydrocarbon feed in two reaction zones is described, one zone (1) being in catalyst dropper mode, the other (2) being in catalyst riser mode. A feed (102) and catalyst from at least one... | 11/04/2003 |
| 6627781 | Process for producing, jointly or otherwise, monoalkyl aromatic compounds, dialkyl aromatic compounds and trialkyl aromatic compounds Process for the production of at least one compound that is selected from among monoalkyl aromatic compounds, dialkyl aromatic compounds and trialkyl aromatic compounds by alkylation or transalkylation of an aromatic compound by at least one alkylating ag... | 09/30/2003 |
