Abstract: The invention relates to a subsea heating apparatus for heating a subsea component extending along a longitudinal direction, comprising an induction coupler including a first section with first core part(s) and a second section with second core parts, a respective first magnetic core part being coupled with a second magnetic core part to form a magnetic core ring adapted to surround an electrical conductor to be connected to a power source. At least one component electrical cable associated with the subsea component to be heated and adapted to receive power via the induction coupler for heating the subsea component. The coupler includes several windings each wound around a respective second core part and connected to respective component electrical cable(s). The second section is adapted to be attached to the subsea component and several second core parts are arranged in distinct radial positions around the longitudinal direction.

Abstract: A method for controlling an electric microgrid comprising an electrical energy consuming element, an electrical energy production element and an electrical energy storage element, the method comprising the steps of extracting parameter values from a source model, the extraction phase being implemented by computer, initializing parameters of a target model with parameter values extracted from the source model, so as to obtain an initialized target model, the initialization phase being implemented by computer, and optimizing, according to a target domain and a target set of tasks, of the parameters of the initialized target model, so as to obtain a target model trained for the control of a target microgrid, the optimization phase being implemented by computer.

Abstract: An enclosure for separating and stripping an effluent containing particles includes a side wall defining an internal volume having a longitudinal axis and, inside the internal volume, a separating section and a stripping section for stripping particles downstream of the separating section relative to the circulation of the particles inside the enclosure. The enclosure includes, upstream of the stripping section or a zone of the stripping section provided with stripping elements extending through the internal cross-section of the enclosure, at least one grille extending transversely to the longitudinal axis, and the projection of a single grille or all the grilles onto a transverse plane perpendicular to the longitudinal axis covers 80 to 100% of the internal cross-section of the enclosure.

Abstract: A computer implemented method for processing a seismic image comprising seismic values obtained from seismic measurements performed on a geological formation includes determining a seismic dip image based on the seismic image, said seismic dip image comprising local seismic dips representative of the local gradient of the seismic values of the seismic image; initializing a seismic horizon surface modeled by using a combination of spline functions or by using a triangle mesh; and iteratively modifying coefficients used for combining the spline functions, thereby iteratively modifying the seismic horizon surface to progressively increase alignment between local orientations of the seismic horizon surface and the corresponding local seismic dips, until a predetermined stop criterion is satisfied.

Abstract: The disclosure relates to a process to perform a catalytic cracking reaction of hydrocarbons having at least four carbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating said bed to a temperature between 500° C. and 850° C. by passing an electric current through the fluidized bed to conduct the reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity from 0.001 to 500 Ohm.cm at 500° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

Abstract: The disclosure relates to a process to perform an endothermic steam reforming of hydrocarbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. by passing an electric current through the fluidized bed to conduct the endothermic reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 to 500 Ohm·cm at 800° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

Abstract: The device includes a first X-ray source, configured to illuminating a measurement cell with a first beam of X photons; a first detector, placed opposite the first X-ray source along a first illumination axis; a second X-ray source, configured to illuminating the measurement cell with a second beam of X photons simultaneously with the first X-ray source; a second detector, placed opposite the second X-ray source along a second illumination axis; and a tray carrying the first X-ray source, the first detector, the second X-ray source, and the second detector, the tray being rotatable around the cell axis.

Abstract: The invention relates to a method (100) for determining a hydrocarbon-water contact position in a hydrocarbon reservoir, said method comprising the steps of:—Providing (110) at least two reservoir fluid samples collected, from connected hydrocarbon reservoir(s), at different known sampling depth values, —Measuring (120) abundance of at least one isotope of noble gas from each of the at least two reservoir fluid samples, and—Calculating (130) the hydrocarbon-water contact position in the hydrocarbon reservoir from the measured abundances and the known sampling depth values of the at least two reservoir fluid samples.

Abstract: The invention relates to methods of hydrodeoxygenation of oxygenated compounds into compounds with unsaturated carbon-carbon bonds, comprising the steps of: a) providing a reaction mixture comprising, an oxygenated compound containing one or more of a hydroxyl, keto or aldehyde group, an ionic liquid, a homogeneous metal catalyst, and carbon monoxide or a carbon monoxide releasing compound, b) reacting said reaction mixture under a H2 atmosphere at acidic conditions at a temperature between 180 and 250° C. and a pressure between 10 and 200 bar.

Abstract: The present disclosure concerns a process for converting methyl halides to ethylene and propylene, said process comprising the steps of (a) providing a feedstream comprising methyl halides; (b) providing a first and second catalyst composition, said second catalyst composition comprising a cracking catalyst; (c) contacting said feedstream with said first catalyst composition in a first reaction zone under first reaction conditions to provide a first product stream; and (d) subjecting at least a part of said first product stream to an Olefin Catalytic Cracking with said second catalyst composition in a second reaction zone under second reaction conditions to provide a second product steam. The process is remarkable in that said step (c) is performed under 400° C., and in that said first catalyst composition comprises molecular sieves with a Si/Al atomic between 2 and 18 and with a plurality of pores with a shape of an 8-membered ring or less.

Abstract: The present invention relates to a bituminous composition suitable for forming sealing membranes comprising, in bitumen-based matrix, fillers C that represent 21 to 40% of the total mass of the composition and that are constituted of inorganic particles Ci and polymeric particles Cp of crystal polystyrene or high-impact polystyrene, the mass of polymeric particles Cp representing 1 to 10% of the total mass of the composition and the mass of bitumen representing 40 to 70% of the total mass of the composition. The invention also relates to the method for obtaining such compositions and to the sealing membranes obtained with them.

Abstract: A lubricant composition including: from 70 to 99.99% of at least one base oil and from 0.01 to 30% of at least one alcohol ethoxylated phosphate ester compound of formula (I): wherein R is a linear or branched alkyl group having from 10 to 14 carbon atoms, m is an integer from 1 to 3, preferably from 1 to 2, n is an integer superior or equal to 6. Also, the use of the compound of formula (I) to prevent and/or reduce and/or limit and/or delay corrosion and/or tribocorrosion of the metal parts of a combustion engine.

Abstract: The invention relates to a method for purifying a pyrolysis oil originating from the pyrolysis of waste including plastics by liquid/liquid extraction. This extraction is performed by means of a polar solvent that is immiscible with pyrolysis oil, for which a recovery rate is obtained greater than or equal to 0.95, this recovery rate being defined as the ratio of the extract volume over the initial volume of solvent, this extract being a phase containing the solvent which is immiscible with pyrolysis oil, recovered after agitation then decantation of a mixture of one part by volume of solvent with twenty-five parts by volume of pyrolysis oil at atmospheric pressure and at a temperature of 20° C.

Abstract: Process to conduct a steam cracking reaction in a fluidized bed reactor The disclosure relates to a process to perform a steam cracking reaction, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes; and a bed comprising particles, wherein the particles are put in a fluidized state by passing upwardly through the said bed a fluid stream, to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. to conduct the endothermic chemical reaction; wherein at least 10 wt. % of the particles based on the total weight of the particles of the bed are electrically conductive particles and have a resistivity ranging from 0.001 Ohm·cm to 500 Ohm·cm at 800° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

Abstract: The invention relates to a lubricant composition comprising at least: a base oil, a friction modifier comprising molybdenum, a boron-containing dispersant, a polymer comprising repeating units which can be obtained by polymerization of monomers (a) with the formula (I): wherein: R1 represents a hydrogen atom or a methyl moiety, X1 represents a moiety chosen from: —O—, —O(AO)m, or —NH—, each moiety A independently representing a C2-C4 alkylene moiety and m represents an integer from 0 to 10. R2 is a polybutylene moiety, and p is equal to 0 or 1.

Abstract: The invention concerns a system for controlling the temperature of a microfluidic chip comprising a Peltier module (10) having a cold face (10a) and a hot face (10b) and connected to a power generator (11), a thermal regulation device (12) having a thermal regulated face (12a) applied against one of the faces of the Peltier module, at least one temperature sensor (17) being applied on the other face of the Peltier module and being intended to be applied against one of the main faces of a microfluidic chip and control means (18) configured to control the power generator (11) of the Peltier module depending on a temperature of the face of the Peltier module provided with said at least one temperature sensor and at least one temperature setting information selected from a target temperature and a target temporal temperature profile to regulate a temperature of the face of the Peltier module to said temperature setting information.

Abstract: The invention relates to a modular installation for the treatment of an aqueous stream of produced water from an oil or gas field, said aqueous stream comprising water, suspended solids, residual hydrocarbons, at least one metal to be recovered and a first metal different from the metal to be recovered, the installation comprising: one or more movable metal treatment tanks (1) configured to precipitate the first metal in the aqueous stream; a filtration container (4) comprising a filtration unit (4c) configured to remove at least part of the suspended solids; and a separation container (6) comprising power and fluidic connectors, configured to receive and be connected to a separation unit (6c), the separation unit (6c) being configured to separate the metal to be recovered from the aqueous stream; the one or more movable metal treatment tanks (1), the filtration container (4) and the separation container (6) being fluidically connected, and the filtration container (4) being arranged downstream of the one or

Abstract: The present invention relates to a composition for scavenging hydrogen sulphide and/or mercaptans in hydrocarbon streams, the composition comprising at least one oxazolidine compounds and at least one alkanolamine allowing boosting the effect of the oxazolidine compound.

Abstract: Process for the purification, treatment and steam cracking of a secondary hydrocarbon stream in combination with a primary hydrocarbon stream, wherein the secondary hydrocarbon stream is vaporized before introduction within the convection section of a steam cracker furnace in combination with at least a portion of the said primary hydrocarbon stream.

Abstract: The disclosure relates in its first aspect to a process of conversion of a gaseous stream comprising methane into hydrogen (51) and carbon (25), the process is remarkable in that it comprises a step (a) of providing a first gaseous stream (3, 7); a step (b) of bromination and synthesis in which the first gaseous stream (3, 7) is put in contact with a second stream (53) comprising bromine resulting in the formation of a third stream (15) comprising methyl bromides and hydrogen bromide, and of a fourth stream (25) comprising carbon including graphite and/or carbon black; a step (c) of separation performed on the third stream (15) to recover a hydrogen bromide-rich stream (41) which is then oxidized in a step (d) to produce a stream (51) comprising hydrogen. The second aspect relates to the installation for performing the process of the first aspect and the third aspect concerns the use of bromine in such process.