| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 208208000 |
Sulfur removal (free or combined sulfur)
| 296 |
| 208187000 |
Water removal (dehydration)
| 80 |
| 208251000 |
Metal contaminant removal
| 55 |
| 208189000 |
Sweetening
| 25 |
| 208179000 |
Purifying used oil
| 17 |
| 208264000 |
With hydrogen
| 17 |
| 208254000 |
Nitrogen contaminant removal
| 14 |
| 208299000 |
With solid catalyst or absorbent
| 13 |
| 208290000 |
With organic compound
| 11 |
| 208263000 |
Organic acid or phenol contaminant removal
| 10 |
| 208298000 |
With liquid treating agent (includes slurries of solids)
| 10 |
| 208289000 |
With nitrogen containing compound
| 9 |
| 208262100 |
Halogen contaminant removal
| 7 |
| 208265000 |
With acids
| 7 |
| 208178000 |
With reagent feed control | 4 |
| 20100116715 | APPLICATION OF VISBREAKER ANALYSIS TOOLS TO OPTIMIZE PERFORMANCE - A system and method are outlined for controlling and optimizing chemical injection into a process unit to control fouling. The method uses an optical device to measure the fouling propensity of the process fluid at various points within the process unit. The measurements are compared with one another and prediction methods are used to evaluate the fouling potential within the unit, and determine the proper chemical dosage. Antifoulant chemical is then introduced into the unit to control the rate of fouling. The method and application continue on a frequent basis to maintain optimal fouling control within the unit. | 05-13-2010 |
| 20110100877 | Method and device for automated control of enhanced metal and amine removal from crude oil - A method for removing calcium, iron, other metals, and amines from crude oil in a refinery desalting process 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, the crude oil or the emulsion an acid additive consisting of at least one of the following: oxalic acid, citric acid, water-soluble hydroxyacid selected 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; heating at least one of the crude oil, the wash water or the emulsion to a desired temperature; resolving the emulsion containing the acid additive into a hydrocarbon phase and an aqueous phase using electrostatic coalescence, the metals and amines being transferred to the aqueous phase; measuring at least one desalting process characteristic at at least one process point; performing a statistical calculation of the desalting process performance based upon the measuring; and adjusting a control setting of the desalting process as a function of the statistical calculation. Other methods and devices are also provided. | 05-05-2011 |
| 20120285863 | AUTOMATED SULFUR RECOVERY LOOP - A method operable to remove contaminants from a contaminated fluid stream is provided. The process includes receiving the fluid stream containing contaminants. A first portion of the contaminants are removed from the fluid stream with a first scrubbing vessel. A first alkaline solution reacts with the contaminants such that the contaminants enter a contaminant solution. A remaining portion of the contaminants from the fluid stream is then removed with a at least one additional scrubbing vessel, wherein a second alkaline solution reacts with the contaminants such that part of the remaining portion of the contaminants enter a second solution. Water content is then removed from the fluid stream with a desiccating module, wherein the desiccating module outputs a clean fluid stream. | 11-15-2012 |
| 20130043164 | COAL SEAM GAS FRACKING SYSTEMS AND METHODS - A method, an apparatus, and a computer program product for treating fracking fluids are provided in which a dispersion system receives a portion of a body of fracking fluid collected in a well. The dispersion system may comprise a hydrodynamic mixing chamber and a nozzle. An additive comprising one or more of ozone and oxygen may be mixed with a portion of collected fluid passing through the mixing chamber. The nozzle may disperse a mixture of the collected fluid and additive received from the mixing chamber. The system may comprise a controller having at least one processor configured to monitor the level of the additive or a contaminant in the well. The processor may be configured to cause a portion of the fluid to be pumped from the well through an outflow main when the level of fluid in the well exceeds a threshold level. | 02-21-2013 |
| 208255000 |
Gum or gum former removal | 2 |
| 20090050536 | PROCESS FOR REFINING FATS AND OILS - The present invention relates to a process for cooling fatty acid distillate from scrubbing section in a fats and oils refinery comprising cooling the fatty acid distillate by heat recovery in at least one heat-exchanging zone with refined oils having a temperature above about 50° C. heating the refined fats and oils to a temperature above about 70° C. The present invention relates further to a process for refining crude fats and oils, and refining plant for refining crude fats and oils. | 02-26-2009 |
| 20090038994 | High-solvency-dispersive-power (HSDP) crude oil blending for fouling mitigation and on-line cleaning - A high solvency dispersive power (HSDP) crude oil is added to a blend of incompatible and/or near-incompatible oils to proactively address the potential for fouling heat exchange equipment. The HSDP component dissolves asphaltene precipitates and maintains suspension of inorganic particulates before coking affects heat exchange surfaces. HSDP co-blending for fouling mitigation and on-line cleaning can be affected using different concentrations of top-performing and moderate-performing HSDP crude oils. | 02-12-2009 |
| 208295000 |
With Group IV, V, VI, VII or VIII metal compound | 2 |
| 20090166265 | HYDROREFINING METHOD - The hydrorefining method of the invention is characterized by contacting, in the presence of hydrogen, a fuel stock comprising normal paraffins and oxygen-containing compounds, with a hydrorefining catalyst comprising a support containing USY zeolite and at least one solid acid selected from among silica-alumina, alumina-boria, silica-zirconia, silica-magnesia and silica-titania, and at least one metal selected from among metals of Group VIb and metals of Group VIII of the Periodic Table supported on the support. | 07-02-2009 |
| 20140061099 | NANO CATALYTIC DEWAXING OF HEAVY PETROLEUM WASTES ( >C-23 alkanes) - A catalyst comprising of nano nickel-silica catalyst for dewaxing of heavy petroleum feed at a temperature 200-350° C. at 8 bar and 30 bar hydrogen pressure and in the presence of hydrogen is designed for petrochemical industries. According to a specific aspect of the invention, the nano catalyst is designed and employed to convert heavy hydrocarbon feeds of high viscosity index to low pour point and good stability in a single step. | 03-06-2014 |
| 208293000 |
With sulfur containing treating agent | 2 |
| 20080264831 | Process and system for destroying carbonaceous materials and composition and system thereof - A process for substantially removing carbonaceous material from a composition comprising providing the composition having carbonaceous material, reacting the carbonaceous material with a sulfur compound, and forming products having carbon and sulfur, and the resulting composition and system used therefore. | 10-30-2008 |
| 20100213104 | SELENIUM REMOVAL PROCESS - Methods and apparatus relate to treating fluid to at least reduce selenium content within the fluid, which may be an aqueous liquid and form a feed stream. The treating removes selenium that may be present in compounds, such as selenocyanate, from the feed stream based on adsorption from contact of the fluid with a sorbent. Flowing a gaseous hydrogen sulfide and sulfur dioxide containing stream over a support, such as activated carbon, may provide the sorbent impregnated with sulfur and utilized in the treating of the fluid. | 08-26-2010 |
| 208292000 |
With boron, phosphorus, arsenic, antimony or bismuth containing treating agent | 2 |
| 20090090656 | APPARATUS AND METHOD FOR RESUSCITATING AND REVITALIZING HYDROCARBON FUELS - The invention provides a metal alloy fuel catalyst for decontaminating a hydrocarbon fuel, including diesel and bio-diesel fuel, of a bacterial contamination and for improving fuel combustion. The metal alloy fuel catalysts preferably includes about 70% Sn, about 22% Sb, about 4% Bi, and about 4% Pb, although other formulations are possible. The fuel catalyst can take the form of an in-line component in a fuel system or be coated within a fuel storage container. | 04-09-2009 |
| 20140291208 | PROCESS FOR REGENERATING IONIC LIQUIDS BY ADDING LIGHT HYDROCARBON STREAM - A process for removing at least one impurity from a hydrocarbon feed such as vacuum gas oil in which the process includes the steps of contacting the feed with a hydrocarbon-immiscible phosphonium ionic liquid to produce a hydrocarbon and hydrocarbon-immiscible phosphonium ionic liquid mixture, and separating the mixture to produce a hydrocarbon effluent having a reduced impurity content relative to the hydrocarbon feed. | 10-02-2014 |
| 208283000 |
With alkali or alkali earth metal compound (except clays) | 1 |
| 20100038287 | PROCESS FOR REMOVING SILICON COMPOUNDS FROM HYDROCARBON STREAMS - The present invention relates to a process for removing organic silicon compounds from hydrocarbon streams by contact with an adsorbent and hydrogen. The adsorbent is composed of lamellar double hydroxides and group VI-B or group VIII hydrogenating metal. More specifically, the process of the present invention involves a stage of activation for formation of the lamellar double hydroxide, and maintaining the phase of lamellar double hydroxide by adding water. | 02-18-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20080223756 | Surface-Rich Clays Used for the Production of Bleaching Earth, and Method for the Activation of Said Clays - A method for producing an adsorbing agent, an absorbing agent obtained by the method, and its use as bleaching earth, in particular for refining oils and fats, is described. In the method according to the invention, a raw clay with a specific surface area of more than 200 m | 09-18-2008 |
| 20080245705 | Upgrading of petroleum resid, bitumen or heavy oils by the separation of asphaltenes and/or resins therefrom using ionic liquids - Petroleum resid, bitumen and/or heavy oil is upgraded by the separation of asphaltenes and/or resins from such resids, bitumen and/or heavy oils by contacting them with an ionic liquid with which the asphaltenes and/or resins interact. | 10-09-2008 |
| 20080296204 | PROCESS FOR TREATING HYDROCARBON LIQUID COMPOSITIONS - A process for treating a hydrocarbon liquid composition to improve its storage and/or transportation stability, comprises contacting the hydrocarbon liquid composition with a polar trap, wherein the conductivity of the hydrocarbon liquid composition is not reduced by said contacting with a polar trap. The polar trap may be a clay treater containing attapulgus clay. The process may include sequentially passing the hydrocarbon liquid composition through a dehydrator and a clay treater at a flow rate of between about 100 and about 1000 m | 12-04-2008 |
| 20090050532 | SOT (Shale Oil Technology) - The proven success of this oil shale technology, including demonstration of the quality of its product, points to the feasibility of the commercial plants' technical functions. This retort system/refinery delivers a higher yield of crude oil and petroleum products both in terms of quantity and quality, utilizing a price conscious and environmentally compatible methodology. | 02-26-2009 |
| 20090166261 | UPGRADING HEAVY HYDROCARBON OILS - A process using supercritical water-oil emulsion to upgrade a heavy hydrocarbon feedstock into an upgraded hydrocarbon product or syncrude with highly desirable properties (low sulfur content, low metals content, lower density (higher API), lower viscosity, lower residuum content, etc.) is disclosed. The process does not require external supply of hydrogen nor does it use externally supplied catalysts. | 07-02-2009 |
| 20090173667 | HIGH POWER MICROWAVE PETROLEUM REFINEMENT - Methods, systems, and devices are described for using high-power microwave radiation to process (e.g., refine) recovered oil. In certain embodiments, relatively low-power microwave radiation is propagated into a recovered oil emulsion to process the emulsion into a more useful product. For example, the radiation may be used to refine the oil emulsion into a light crude oil. | 07-09-2009 |
| 20100018902 | METHODS FOR PRODUCING A TOTAL PRODUCT AT SELECTED TEMPERATURES - Method of producing a total product are described. A method includes providing a feed and a supported inorganic salt catalyst to a contacting zone. Contact of the supported inorganic salt catalyst with the feed in the presence of a hydrogen source and steam in the contacting zone at a temperature of at most 1000° C. and a total operating pressure of at most | 01-28-2010 |
| 20100038286 | FOCUSED BEAM REFLECTANCE MEASUREMENT TO OPTIMIZED DESALTER PERFORMANCE AND REDUCE DOWNSTREAM FOULING - Performance of equipment, such as a desalter, in a refinery is monitored in real-time and on-line to minimize fouling of downstream equipment. Using an instrument to measure particles and droplets in-process allows monitoring of the various operations to optimize performance. Such measurement can also be used during crude oil blending to detect asphaltene precipitates that can cause fouling and can be used for monitoring other fouling streams. | 02-18-2010 |
| 20100140139 | SYSTEMS AND METHODS FOR ABSORBING GASES INTO A LIQUID - A method of absorbing gases into a liquid comprising providing a stream of at least one desirable gas and at least one undesirable gas, exposing the gas stream to a liquid, so that the liquid absorbs more of the desirable gas than the undesirable gas, and releasing the liquid and gas mixture into an underground formation. | 06-10-2010 |
| 20100236987 | METHOD FOR THE INTEGRATED PRODUCTION AND UTILIZATION OF SYNTHESIS GAS FOR PRODUCTION OF MIXED ALCOHOLS, FOR HYDROCARBON RECOVERY, AND FOR GASOLINE/DIESEL REFINERY - A method for the integrated production and utilization of synthesis gas for production of mixed alcohols, for hydrocarbon recovery, and for gasoline/diesel refinery, has the following steps: forming a hydrocarbon fuel including coal and/or gas oil; gasifying the hydrocarbon fuel to form synthesis gas that includes hydrogen and carbon monoxide; directing the carbon monoxide and a stoichiometric amount of the hydrogen to an alcohol synthesis unit for the synthesis of mixed alcohols; combusting the remaining hydrogen with oxygen via a downhole gas combustion unit; and adding the water to the combustion to produce high-pressure steam for the recovery of crude oil from the hydrocarbon bearing formation. | 09-23-2010 |
| 20110259794 | REMOVING CHLATHRATE INHIBITORS FROM CONTAMINATED PETROLEUM STREAMS - A process is presented for treating crude oil that contains a clathrate hydrate inhibitor. In the process, a crude oil contaminated with the inhibitor is maintained in a vessel at inhibitor removal conditions to produce a treated crude oil having a reduced methanol concentration. | 10-27-2011 |
| 20110297586 | Process for Separating Bitumen from Other Constituents in Mined, Bitumen Rich, Ore - Separation of bitumen from mined ore employs cooling of the mined ore at a temperature where all the species contained in the ore become solid and brittle. Ore is maintained solid by appropriate continuous injection of cold air and/or carbon dioxide in the processing plant through the process. Difference in thermal expansion coefficient between bitumen and other ore species creates thermal stresses at interfaces of bitumen and other materials. The stresses favor separation of bitumen from other materials along species interfaces during comminution. The breaking of existing ore particles tends to occur at interfaces between different species, creating a mix of particles where bitumen particles are not aggregated with any other ore constituents such as ice or sand particles. The particles are maintained cold, loose and unattached. Ore particles are sorted and separated while still frozen in solid phase, creating a stream of frozen bitumen particles. The process is stopped when bitumen concentration is large enough for economical treatment by other bitumen existing processing techniques. | 12-08-2011 |
| 20120024757 | METHOD FOR FORMING A CATALYST COMPRISING CATALYTIC NANOPARTICLES AND A CATALYST SUPPORT - The present invention relates to a method for forming a catalyst comprising catalytic nanoparticles and a catalyst support, wherein the catalytic nanoparticles are embedded in the catalyst support, comprising forming the catalytic nanoparticles on carbon particle, dispersing the carbon particle in a solution comprising precursors of the catalyst support to form a suspension, heating the suspension to form a gel, subjecting the gel to incineration to form a powder, and sintering the powder to form the catalyst. | 02-02-2012 |
| 20130008829 | CATALYST THAT CAN BE USED IN HYDROTREATMENT, COMPRISING METALS OF GROUPS VIII AND VIB, AND PREPARATION WITH ACETIC ACID AND DIALKYL SUCCINATE C1-C4 - The invention relates to a catalyst usable in hydrotreatment processes, which comprises an alumina-based amorphous support, phosphorus, a C1-C4 dialkyl succinate, acetic acid and a hydro-dehydrogenizing function comprising at least one group VIII element and at least one group VIB element, preferably made up of cobalt and molybdenum, a catalyst whose Raman spectrum comprises the most intense bands characteristic of the Keggin heteropolyanions (974 and/or 990 cm | 01-10-2013 |
| 20130043163 | REDUCING THE CARBON EMISSIONS INTENSITY OF A FUEL - Techniques for reducing a carbon emissions intensity of a fuel includes injecting a carbon dioxide fluid into a first wellbore; producing a hydrocarbon fluid from a second wellbore to a terranean surface; and producing a fuel from the produced hydrocarbon fluid, the fuel including a low-carbon fuel and assigned an emissions credit based on a source of the carbon dioxide fluid. | 02-21-2013 |
| 20130175203 | Method for Separating Entrained Catalyst and Catalyst Fines from Slurry Oil - A method for removing catalyst, catalyst fines, and coke particulates from a slurry oil stream includes the steps of routing a first slurry oil stream from a first slurry oil source to at least one hydrocyclone, increasing at least one of a temperature and a pressure of the first slurry oil stream prior to it entering the at least one hydrocyclone; passing the first slurry oil stream through the at least one hydrocyclone; and routing a second slurry oil stream exiting an overflow end of the at least one hydrocyclone to a second slurry oil source. The first and second slurry oil sources may be one or more of the following: a main column of a fluid catalytic cracking fractionator, a steam generator, a heat exchanger, a decant slurry oil storage, and a slurry oil storage tank. | 07-11-2013 |
| 20130341246 | REDUCING THE CARBON EMISSIONS INTENSITY OF A FUEL - Techniques for reducing a carbon emissions intensity of a fuel includes injecting a carbon dioxide fluid into a first wellbore; producing a hydrocarbon fluid from a second wellbore to a terranean surface; and producing a fuel from the produced hydrocarbon fluid, the fuel including a low-carbon fuel and assigned an emissions credit based on a source of the carbon dioxide fluid. | 12-26-2013 |
| 20140001097 | PROCESS FOR THE RECOVERY OF CRUDE | 01-02-2014 |
| 20140262950 | HYDROHALOGENATION OF VINYL TERMINATED POLYMERS AND THEIR FUNCTIONALIZED DERIVATIVES FOR FOULING MITIGATION IN HYDROCARBON REFINING PROCESSES - A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes hydrohalogenating a polymer having a vinyl chain end to obtain a halogen-containing terminal group, and reacting the terminal group with a polyamine. Methods of using the compound and compositions thereof are also provided. | 09-18-2014 |
| 20140262951 | CLAY REMOVAL THROUGH SONICATION - The present disclosure refers to a method for clay removal using sonication treatment process for hydrocarbon recovery from a variety of mine pits or tailing ponds, to convert contaminated hydrocarbons substances into de-asphalted oil, heavy oil fuel or asphalt output. This method may generally require a solvent for removal of material in suspension, which may dissolve contaminated hydrocarbons by using a plurality of alkane containing non polar solvents, which may be filtered through simple separation. The sonication treatment process may reduce the production time of de-asphalted oil and heavy oil fuel, from a range from about six hours up to more than ten hours to about 5 seconds to 2 minutes depending on the solvent-feedstock mixture being processed. | 09-18-2014 |
| 20160075956 | Method and Apparatus For Reducing Phosphorus In Crude Refining - A method and apparatus for the reduction of fouling in a crude unit. Chemicals containing Phosphorous are understood to be utilized in the production or transportation of certain types of crude oils. It is believed that the elevated levels of phosphorus are contributing to the excessive fouling observed in the preheat exchanger circuits and crude heaters. | 03-17-2016 |
| 20160122661 | Method for Treating Heavy Fuel Oil - A method for on-ship processing of heavy oil which is to be utilized as fuel is disclosed. In an embodiment, the method includes providing the heavy oil for processing. The heavy oil is passed using a pump into a centrifuge with heating of the heavy oil, at least intermittently or permanently, to a separation temperature of more than 98° C. before the heavy oil reaches the centrifuge. An aqueous phase and a sludge phase are separated from a clean oil phase in the centrifuge. | 05-05-2016 |
