| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 208187000 | Water removal (dehydration) | 51 |
| 20090194460 | METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM - A method of treating a hydrocarbon stream such as natural gas comprising at least the steps of: (a) providing a hydrocarbon feed stream ( | 08-06-2009 |
| 20120234728 | HEAVY OIL CONVERSION PROCESS WITH IN-SITU POTASSIUM SULFIDE GENERATION - The present invention relates to a process for regeneration of alkali metal salt reagent used in desulfurization of heavy oil feedstreams. In particular, the it present invention relates to a process utilizing potassium hydroxide as an external supply reagent to a heavy oil conversion process and in-situ conversion of the spent reactants utilized in such process into a potassium sulfide reagent for reintroduction into the heavy oil conversion process. | 09-20-2012 |
| 20120024758 | REFINERY DESALTER IMPROVEMENT - The invention relates to improved methods of desalting hydrocarbon feeds using a separator with a stacked disk centrifuge to separate an emulsified oil and water rag layer. This method is effective for desalting heavy, high ionic, and non-traditional crude oils. | 02-02-2012 |
| 20100084314 | METHOD AND DEVICE FOR SEPARATION OF A LIQUID FLUID BY CENTRIFUGAL SEPARATION AND EVAPORATION - A method and a device for separation of a fluid in the liquid state comprising two liquids that are not mutually miscible, with different densities, wherein a first liquid is to be cleansed from a second liquid, whereby the fluid in the liquid state is conducted through a rotor where centrifugal separation of the second liquid from the first liquid takes place, and is then conducted into a tank, with the proportion of the second liquid being reduced to less than 5%, and by conducting the fluid, after centrifugal separation, through a restriction, whereby the pressure of the fluid in the liquid state is reduced, which causes portions of the fluid in the liquid state to evaporate so that further portions of the second liquid escape in the form of a gas which is conducted away, thereby further reducing the proportion of the second liquid in the outgoing fluid in the liquid state. | 04-08-2010 |
| 20090294330 | Heavy Hydrocarbon Dewatering and Upgrading Process - Systems and methods for processing hydrocarbons are provided. A first mixture including one or more hydrocarbons and water can be separated to provide a first waste water and a second mixture. The second mixture can be apportioned into a first portion and a second portion. The first portion can be separated to provide a second waste water and a third mixture. At least a portion of the third mixture and hydrocarbon containing solids can be combusted to provide a combustion gas. A portion of the hydrocarbon containing solids can be gasified to provide regenerated solids and gasified hydrocarbons. A portion of the second portion can be vaporized and cracked in the presence of the combustion gas and gasified hydrocarbons to provide vaporized hydrocarbons and cracked hydrocarbons. Hydrocarbons can be deposited onto the regenerated solids to provide the hydrocarbon containing solids. At least a portion of the combustion gas, gasified hydrocarbons, vaporized hydrocarbons, and cracked hydrocarbons can be selectively separated from the hydrocarbon containing solids to provide a hot gas product. | 12-03-2009 |
| 20080251421 | Desalting Process - A compact desalting system for use in a process of desalting crude oil comprises a plurality of separation stages. Each separation stage includes a compact electrostatic coalescer ( | 10-16-2008 |
| 20120067779 | Process, Method, and System for Removing Heavy Metals from Fluids - Trace element levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with an iodine source, generating a water soluble heavy metal complex for subsequent removal from the crude oil. In one embodiment, the iodine source is generated in-situ in an oxidation-reduction reaction, by adding the crude oil to an iodine species having a charge and a reductant or an oxidant depending on the charge of the iodine species. In one embodiment with an iodine species having a positive charge and a reducing reagent, a complexing agent is also added to the crude oil to extract the heavy metal complex into the water phase to form water soluble heavy metal complexes which can be separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. | 03-22-2012 |
| 20090065395 | Hydrotreating processes for fabricating petroleum distillates from light fischer-tropsch liquids - A method for obtaining a petroleum distillate product is provided, the method includes subjecting an untreated light Fischer-Tropsch liquid to a two-step hydrogenation process, each step to be carried in the presence of a catalyst comprising an amorphous substrate having a metallic composition embedded therein. After the first step of hydrogenation, an intermediate hydrotreated light Fischer-Tropsch liquid is obtained, followed by the second step of hydrogenation thereof, obtaining the petroleum distillate product as a result. An apparatus for carrying out the method is also provided. | 03-12-2009 |
| 20120125816 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace element levels of heavy metals in crude oil are reduced by contacting the crude oil with an oxidizing agent, extracting heavy metals into a water phase for subsequent separation from the crude oil. The oxidizing agent is selected from the group of hydroperoxides, organic peroxides, inorganic peracids and salts thereof, organic peracids and salts thereof, and ozone. In one embodiment, the oxidizing agent converts heavy metals into the heavy metal cations in a water-oil emulsion, which can be subsequently separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. In one embodiment, at least a complexing agent can be added to facilitate the removal by forming soluble heavy metal complexes in the water phase. | 05-24-2012 |
| 20110247964 | PROCESS FOR REMOVING ASPHALTENIC PARTICLES - Process for removing asphaltenic particles from a hydrocarbon feed containing asphaltenic particles by treating the feed in a filter unit comprising a perforated tube surrounded by hollow longitudinal projections comprising a filter having openings of at most 50 micrometer diameter in which the internal space of each of the hollow projections is in fluid communication with the inside of the perforated tube and which filter is regularly subjected to cleaning by treating each of the projections with cleaning fluid wherein the flow of cleaning fluid is opposite to the direction of normal flow. | 10-13-2011 |
| 20110068046 | MERCURY REMOVAL FROM WATER - Methods and apparatus relate to removal of mercury from water. The removal relies on transferring mercury from an aqueous stream to a natural gas stream upon contacting the aqueous stream with the natural gas stream. Processing of the natural gas stream after used to strip the mercury from the aqueous stream removes the mercury from the natural gas stream. | 03-24-2011 |
| 20110049015 | WATER REMOVAL AND MANAGEMENT SYSTEM - A system and method for removing and managing water in liquid hydrocarbons is disclosed. The system and method utilize a water absorbent filter, such as one that utilizes super absorbent polymers, cellulose, cotton or other suitable material to remove water from the system that is either present as free water or as dissolved moisture within the liquid hydrocarbon. The super absorbent polymer filter can be regenerated through the introduction of a dried liquid hydrocarbon, through the use of an air drying system, or a combination of both. | 03-03-2011 |
| 20110253597 | METHOD FOR PRODUCING VACUUM IN A VACUUM OIL-STOCK DISTILLATION COLUMN AND A PLANT FOR CARRYING OUT THE METHOD - A method is provided for producing vacuum in a vacuum oil-stock distillation column and includes pumping a gas-vapor medium out of a column by an ejector into a condenser; feeding a gas mixture and a high-pressure gas into a second gas-gas ejector from which the vapour-gas mixture is fed into a second condenser. A condensate is directed from the condensers into a separator in which the condensate is separated into a water-containing condensate and a hydrocarbon-containing condensate. The hydrocarbon-containing condensate is removed while the water-containing condensate is fed into a steam generator in which heat is supplied to the water-containing condensate from a hot distillate removed from the vacuum column and steam is produced from the water-containing condensate, the steam is fed as a high-pressure gas into the gas-gas ejectors. A plant for carrying out the method is also provided. | 10-20-2011 |
| 20110259796 | APPARATUS AND METHOD FOR REMOVING CONTAMINANTS FROM INDUSTRIAL FLUIDS - A filter system for removing contaminants from oil based industrial liquids and the like includes a support tube with a permeable sidewall through which the industrial liquid flows in an inside out direction. A multilayer coalescence media surrounds the support tube, and includes at least one layer of a non-woven fibrous material that is partially wettable by the dispersed water in the industrial liquid, and commences coalescence of the same to form small primary water droplets, and at least one sheet of a precisely woven monofilament fabric stacked on the downstream side of the non-woven material. The woven fabric is substantially wettable by the dispersed water, and has a fixed open mesh with uniformly sized and spaced apart pore openings which continue to coalesce the primary water droplets into large water drops which fall from the filter for collection along the bottom of the apparatus. | 10-27-2011 |
| 20110147271 | PROCESS FOR PRODUCING A HIGH STABILITY DESULFURIZED HEAVY OILS STREAM - Self-compatible heavy oil streams are produced from converted and/or desulfurized fractions. In a preferred embodiment, an incompatibility stream is added to the converted and/or desulfurized stream to reduce the solubility number of the stream. After using a water wash to remove incompatible material, a lighter fraction is removed from the stream to increase the solubility number. | 06-23-2011 |
| 20100140140 | GRAVITY SEPARATOR FOR A MULTI-PHASE EFFLUENT - A method of separating a hydrocarbon multiphase fluid mixture. The method comprises an application step in which the hydrocarbon fluid mixture (E) is applied to a separator that separates by gravity the hydrocarbon fluid mixture (E) into a liquid layer and a gas layer. The method further comprises an extraction step, a liquid-level measurement step, a level-based adjustment step, a parameter measurement step, and a parameter-based adjustment step. | 06-10-2010 |
| 20110089082 | Method and device for enhanced metal and amine removal from crude oil with controlled electrostatic coalescence - A method for removing metals, amines, and other impurities from crude oil in a desalting process that includes the steps of adding a wash water to the crude oil; adding the wash water to the crude oil to create an emulsion; adding to the wash water or the emulsion at least one water-soluble hydroxyacid; selecting the hydroxyacid additive from the group consisting of glycolic acid, gluconic acid, C.sub.2-C.sub.4 alpha-hydroxy acids, malic acid, lactic acid, poly-hydroxy carboxylic acids, thioglycolic acid, chloroacetic acid, polymeric forms of the above hydroxyacids, poly-glycolic esters, glycolate ethers, and ammonium salt and alkali metal salts of these hydroxyacids, and mixtures thereof; resolving the emulsion containing the crude oil, wash water, and hydroxyacid additive into a hydrocarbon phase and an aqueous phase using electrostatic coalescence, the undesired impurities being transferred to the aqueous phase; measuring the characteristics of one or more of the resulting crude oil output, effluent waste, and/or other intermediate points; and altering one or more characteristics of the desalting operation as a function of the measurements. Various oil desalting configurations are also provided. | 04-21-2011 |
| 20110155644 | PROCESS FOR REMOVING METALS FROM VACUUM GAS OIL - A process for removing a metal from a vacuum gas oil feed includes contacting the vacuum gas oil feed comprising the metal with a VGO-immiscible ionic liquid to produce a vacuum gas oil and VGO-immiscible ionic liquid mixture, and separating the mixture to produce a vacuum gas oil effluent having a reduced metal content relative to the vacuum gas oil feed. | 06-30-2011 |
| 20110155646 | PROCESS FOR REMOVING HYDROGEN SULFIDE IN CRUDE OIL - A method for reducing the amount of hydrogen sulfide present in crude oil includes adding a hydrogen sulfide scavenger composition to the crude oil to capture the hydrogen sulfide, migrating the captured sulfides to an aqueous phase and removing the aqueous phase from the crude oil. The hydrogen sulfide scavenger composition includes glyoxal and a quaternary ammonium salt. | 06-30-2011 |
| 20110155645 | PROCESS FOR REMOVING METALS FROM CRUDE OIL - A process for removing a metal from a crude oil includes contacting the crude oil containing the metal with a crude-immiscible ionic liquid to produce a crude oil and crude-immiscible ionic liquid mixture, and separating the mixture to produce a crude oil effluent having a reduced metal content relative to the crude oil feed. Optionally, a de-emulsifier is added to at least one of the contacting and separating steps. | 06-30-2011 |
| 20120125818 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace element levels of heavy metals in crude oil are reduced by contacting the crude oil with an oxidizing agent, converting heavy metals into heavy metal cations for subsequent separation from the crude oil. At least a complexing agent is added to convert the heavy metal cations into soluble heavy metal complexes in a water phase, which can be separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. In one embodiment, the complexing agent is selected from the group of metal halides, and the oxidizing agent is selected from the group of organic peracids, inorganic peracids and salts thereof. | 05-24-2012 |
| 20120125817 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace element levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with an oxidant such as oxyhalites, converting elemental mercury into heavy metal cations for subsequent separation from the crude oil. In an improved method for the removal of mercury, at least a complexing agent is added to convert the heavy metal cations into soluble heavy metal complexes in a water phase, which can be separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. In one embodiment, the complexing agent is selected from the group of metal halides. | 05-24-2012 |
| 20090230025 | Process for Regasifying a Gas Hydrate Slurry - A continuous process for regasifying a feed stream comprising (i) a slurry phase comprising gas hydrate particles suspended in a produced liquid hydrocarbon and optionally free produced water and (ii) optionally a gaseous phase comprising free produced gaseous hydrocarbon thereby generating a regasified multiphase fluid and for separating the regasified multiphase fluid into its component fluids, comprising the steps of: (a) heating the feed stream to above the dissociation temperature of the gas hydrate thereby regasifying the feed stream by converting the gas hydrate particles into gaseous hydrocarbon and water; (b) separating a gaseous hydrocarbon phase from the regasified multiphase fluid thereby forming a gaseous hydrocarbon product stream and a liquid stream comprising a mixture of liquid hydrocarbon and water; (c) separating the liquid stream comprising a mixture of the liquid hydrocarbon and water into a liquid hydrocarbon phase and an aqueous phase; and (d) removing the liquid hydrocarbon phase as a liquid hydrocarbon product stream. | 09-17-2009 |
| 208188000 | With treating agent | 28 |
| 20130043165 | Process for Drying Oil Sand Mature Fine Tailings - A process for drying fine tailings is provided. The process, which may use a pipeline reactor system, comprises providing an in-line flow of the fine tailings; continuously introducing a flocculent solution to cause dispersion and commence flocculation of the fine tailings and may comprise rapid turbulent mixing; subjecting the fine tailings to flocculation and water release conditioning in-line to cause formation and rearrangement of floes and increasing the yield shear stress to form flocculated fine tailings while avoiding over-shearing of the flocs; and depositing the fine tailings to allow the release of water, formation of a non-flowing fine tailings deposit and drying of the non-flowing fine tailings deposit. The process enables effective in-line dispersion, flocculation and water release, resulting in reliable deposition and drying of the fine tailings deposit. | 02-21-2013 |
| 20100089797 | Devices And Processes For Deasphalting And/Or Reducing Metals In A Crude Oil With A Desalter Unit - This invention relates to devices and processes for removing asphaltenes and/or metals from crude oil to increase refinery processing of heavy materials. The desalters of this invention reduce and/or remove at least a portion of asphaltenes and/or metals form the crude oil. The separation occurs by mixing water with the crude oil to result in an aqueous phase having water and water soluble salts, an interface phase having asphaltenes and/or metals along with water, and a hydrocarbon phase having desalted, deasphalted and/or reduced metal crude oil. | 04-15-2010 |
| 20100116716 | DECONTAMINATION OF ASPHALTIC HEAVY OIL AND BITUMEN - A process and apparatus to remove asphaltenic contaminants from bitumen, heavy oil or residue to produce lower viscosity petroleum products and high purity asphaltenes. | 05-13-2010 |
| 20120181218 | Devices and Processes for Deasphalting and/or Reducing Metals in a Crude Oil with a Desalter Unit - This invention relates to devices and processes for removing asphaltenes and/or metals from crude oil to increase refinery processing of heavy materials. The desalters of this invention reduce and/or remove at least a portion of asphaltenes and/or metals form the crude oil. The separation occurs by mixing water with the crude oil to result in an aqueous phase having water and water soluble salts, an interface phase having asphaltenes and/or metals along with water, and a hydrocarbon phase haying desalted, deasphalted and/or reduced metal crude oil. | 07-19-2012 |
| 20130087485 | Use of Hyperbranched Polyesters and/or Polyester Amides for Separating Oil-In-Water Emulsions - The use of nondendrimeric hyperbranched polyesters and/or polyesteramides which comprise alkyl- and/or alkenyl-substituted succinic acid units as demulsifiers for splitting oil-water emulsions, especially crude oil emulsions, and also nondendrimeric hyperbranched polyesters or polyesteramides which comprise alkyl- and/or alkenyl-substituted succinic acid units. | 04-11-2013 |
| 20130048542 | DESULFURIZATION OF HYDROCARBONS BY SOLVENT EXTRACTION - A high sulfur content hydrocarbon feedstream is treated by mixing one or more selected solvents with a sulfur-containing feedstream for a predetermined period of time, allowing the mixture to separate and form a sulfur-rich solvent-containing liquid phase and a crude oil phase of substantially lowered sulfur content, and withdrawing the sulfur-rich stream and regenerating the solvent. | 02-28-2013 |
| 20100006476 | Method of Separating a Mixture, and a Plant for Separating a Mixture Comprising Water, Oil and Gas - A fluid is mixed into a mixture that has been separated from an oil well stream and comprises water, oil, and gas. The mixture comprising the fluid is led into a separator ( | 01-14-2010 |
| 20100140141 | Demulsifying and dehydrating formulations for heavy crude oils based on block copolymers bifunctionalized with amines - The present invention relates to demulsifying and dehydrating formulations of heavy crude oil based block copolymers amine bifunctionalized with low polydispersities. These formulations can contain solvents whose boiling point is in the range from 35 to 200° C., preferably: dichloromethane, chloroform, toluene, xylenes, turbosine, naphtha or mixtures thereof. | 06-10-2010 |
| 20120024759 | COMPOSITIONS AND METHODS FOR SEPARATING EMULSIONS USING THE SAME - The present invention provides for a demulsifying composition comprising a blend of a) an emulsion; and b) a demulsifying-effective amount of a silicon containing co-polymer. The present invention also provides for a method for separating emulsions using the demulsifying composition discussed. | 02-02-2012 |
| 20120043258 | Use Of Biodegradable Alkoxylated (Meth)Acrylate Copolymers As Crude Oil Demulsifiers - The invention relates to the use of copolymers which can be obtained by the polymerization of monomers (A) and (B), (A) being a monomer of formula (I), wherein A represents a C | 02-23-2012 |
| 20120031813 | Alkoxylated (Meth)Acrylate Polymers and the use Thereof as Crude Oil Demulsifiers - The invention relates to the use of copolymers which can be obtained by the polymerization of monomers (A) and (B), (A) being a monomer of formula (I), wherein A represents a C | 02-09-2012 |
| 20110247966 | Recovery and Separation of Crude Oil and Water from Emulsions - A composition and method demulsify a produced emulsion from anionic surfactants and polymer (SP) and alkali, surfactants, and polymer (ASP). The produced emulsion is demulsified into oil and water. In one embodiment, the composition includes a surfactant. The surfactant comprises a cationic surfactant, an amphoteric surfactant, or any combinations thereof. | 10-13-2011 |
| 20100300937 | NAPHTHENIC ACID REMOVAL AND CONVERSION - Methods and apparatus relate to handling of organic contaminants in aqueous streams. The methods and apparatus enable removing the contaminants, such as naphthenic acids, from the aqueous streams and then converting the contaminants into hydrocarbons. The removing and converting of the organic contaminates results in treated discharge and generation of the hydrocarbons, which add to amount of hydrocarbon recovery. | 12-02-2010 |
| 20110031163 | Polymers as additives for the separation of oil and water phases in emulsions and dispersions - Oil-water dispersions and emulsions derived from petroleum industry operations are demulsified and clarified using anionic polymers. Formation of such oil-water dispersion and emulsions is inhibited and mitigated using the anionic polymers. The anionic polymers comprise: A) 2-80% by weight of at least one C | 02-10-2011 |
| 20110240524 | METHOD AND APPARATUS FOR BREAKING AN EMULSION - A method of demulsifying an emulsion is provided, the method comprising an initial step of supplying the emulsion to a fluid processor passage ( | 10-06-2011 |
| 20110247965 | METHOD FOR RESOLVING EMULSIONS IN ENHANCED OIL RECOVERY OPERATIONS - Disclosed and claimed is a method of demulsifying a produced emulsion into oil and water by adding a surfactant to the produced emulsion. The surfactant comprises any combination of surfactants having a plurality of hydrophilic groups. | 10-13-2011 |
| 20110253598 | COMPOSITION AND METHOD FOR BREAKING WATER IN OIL EMULSIONS - A multi-component demulsifier comprising an alkoxylated C | 10-20-2011 |
| 20100025300 | CONTROLLING EMULSION STABILITY DURING FUEL STOCK PROCESSING - This invention relates to compounds and methods for making and breaking emulsions of water and hydrocarbons with asphaltenes. The solutes of this invention include chaotropes and kosmotropes, which decrease or increase the order of water molecules respectively. Aggregated asphaltenes form a coalescing barrier at the oil-water interface to result in a stable emulsion and keep water droplets from uniting. Conversely, dispersed asphaltenes allow a coalescing interface at the oil-water interface to resolve the emulsion and allow water droplets to unite. Some applications of this invention include crude oil processing, refinery applications and water treatment methods. | 02-04-2010 |
| 20110315604 | METHOD FOR RESOLVING EMULSIONS IN ENHANCED OIL RECOVERY OPERATIONS - Disclosed and claimed is a method of demulsifying an emulsion comprising water and oil. The method comprises adding an effective amount of a composition comprising at least one substantially fully quaternized ammonium adduct of polyephalohydrin that has a molecular weight from about 500 Da to about 2,500 Da. | 12-29-2011 |
| 20110155647 | PROCESS FOR DE-ACIDIFYING HYDROCARBONS - A process for de-acidifying a hydrocarbon feed includes contacting the hydrocarbon feed containing an organic acid with a feed-immiscible phosphonium ionic liquid to produce a hydrocarbon and feed-immiscible phosphonium ionic liquid mixture; and separating the mixture to produce a hydrocarbon effluent having a reduced organic acid content relative to the hydrocarbon feed. Optionally, a de-emulsifier is added to at least one of the contacting and separating steps. | 06-30-2011 |
| 20120055847 | Deep conversion combining the demetallization and the conversion of crudes, residues or heavy oils into light liquids with pure or impure oxygenated compounds - A process for the conversion of hydrocarbons that are solid or have a high boiling temperature and may be laden with metals, sulfur or sediments, into liquids (gasolines, gas oil, fuels) with the help of a jet of gas properly superheated between 600 and 800° C. The process comprises preheating a feed | 03-08-2012 |
| 20090134068 | Separation of water from hydrocarbons - A method for the removal of dissolved water or water and ice from hydrocarbon liquids such as petroleum refinery fuels or natural gas liquids in a manner which enables the fuels to be readily treated by the coalescence/separation technique while reducing the potential for plugging filters and other equipment with ice crystals. Free water or water/ice is removed from the liquid hydrocarbons by contacting the hydrocarbon feed with a treating agent which as an affinity for water prior to subjecting the mixture to coalescence/separation. The treating agent is preferably a co-solvent for the water and the hydrocarbon such as an alcohol e.g. methanol. The treating agent and water are separated from the hydrocarbon component during the coalescence/separation and recirculated to the feed with the composition of the recycle aqueous phase being controlled to achieve the desired level of water removal to meet relevant product specifications. Consistent with the removal of the water during the coalescence/separation, the water concentration of the recycle loop containing the co-solvent/water blend gradually increases with removal of the water from the feed. This progressive increase in water level can be compensated by controlled addition of pure co-solvent to the recycle coupled with continuous or periodic dumping of excess mixture. Alternatively, the circulating mixture may be subjected to continuous or batch regeneration or disposed of in any other way which is convenient and economical. | 05-28-2009 |
| 20120255886 | DEHYDRATING AND DESALTING MEDIAN, HEAVY AND EXTRA-HEAVY OILS USING IONIC LIQUIDS AND THEIR FORMULATIONS - The present invention relates to the application of ionic liquids individually or in formulation to dry and desalt crudes oils having API gravities in the range of 8 to 12 (median, heavy and extra-heavy) when applied at concentrations ranging from 500 and up to 5000 ppm. The ionic liquids have a cation selected from the group consisting of carboxymethane-ammonium, ammonium, imidazolium, isoquinolinium, pyridinium, and 1,5-dicarboxylic-pentane-2-ammonium and an anion selected from the group consisting of R | 10-11-2012 |
| 20120261312 | SYNERGISTIC FORMULATIONS OF FUNCTIONALIZED COPOLYMERS AND IONIC LIQUIDS FOR DEHYDRATED AND DESALTED OF MEDIUM, HEAVY AND EXTRA HEAVY CRUDE OILS - The present invention is related to formulations including one or more block copolymers with low polydispersity and bifunctionalized with amines, and an ionic liquid. A method of demulsifying, dehydrating, and desalting crude oils having API gravity ranging between 8 to 30 admixes the formulation with the crude oil in an amount effective to demulsify, dehydrate and/or desalt the crude oils. | 10-18-2012 |
| 20100314296 | PIPELINING OF OIL IN EMULSION FORM - A means for transporting a dispersion of heavy crude oil and water by conventional pipelines. The dispersion is an emulsion prepared by combining production water with crude oil as well as an adequate surfactant system such that the dispersion stabilizes. The dispersion presents a viscosity of less than about 500 cP allowing it to be pumpable and transportable via conventional pipelines. The dispersion, once it arrives at its final destination, is broken or separated by means of one or more suitable diluents such that the remaining oil meets predetermined specifications for further processing, i.e. refining into lighter fractions. | 12-16-2010 |
| 20120318716 | SOLVENT EXTRACTION PROCESS TO STABILIZE, DESULPHURIZE AND DRY WIDE RANGE DIESELS, STABILIZED WIDE RANGE DIESELS OBTAINED AND THEIR USES - A process allowing the removal of contaminants from an unstable oil such as those produced by thermal or catalytic cracking, wherein, in at least one step of the process, mixing of the unstable oil with a pure or impure solvent having a dipole moment greater than 2 is performed. The stabilized diesels thereby obtained exhibit interesting properties among which significant stability features and are useful in numerous applications, some of these stabilized wide range diesels are new as well as their uses. | 12-20-2012 |
| 20110272327 | HYPERBRANCHED POLYESTERS AND POLYCARBONATES AS DEMULSIFIERS FOR CRACKING CRUDE OIL EMULSIONS - The invention relates to the use of nondendrimeric, high-functionality hyperbranched polyesters and polycarbonates which are obtainable by reacting
| 11-10-2011 |
| 20130140216 | PROCESS AND SYSTEM FOR ENHANCED SEPARATION OF HYDROCARBON EMULSIONS - The invention relates to treating a hydrocarbon-comprising emulsion with an aqueous component to form an aqueous component-treated emulsion, and processing the treated emulsion to recover the hydrocarbon. The aqueous component is contacted with the hydrocarbon-comprising emulsion in a manner and proportion so as to promote coalescence of the like phases while minimizing shear, which results in a decreased viscosity of the emulsion and a shift away from the emulsion inversion region toward a water-continuous state. | 06-06-2013 |
