| INSTITUTO MEXICANO DEL PETROLEO Patent applications |
| Patent application number | Title | Published |
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| 20120122740 | Heavy oil recovery process using extremophile anaerobic indigenous microorganisms - A process for increasing recovery of heavy oil with an API gravity equal to or greater than 10, contained in carbonate and/or sandstone porous media using extremophile (thermophilic, halotolerant and barotolerant) anaerobic indigenous microorganisms. The process involves nutrient injection to stimulate activity of extremophile anaerobic indigenous microorganisms at the well bottom, promoting the production of metabolites which improve oil mobility and increase oil recovery. Stimulation of extremophile anaerobic indigenous microorganisms and their metabolite production is conducted under anaerobic conditions at temperatures of 45 to 90° C., NaCl concentrations of 5,000 to 40,000 mg/L and pressures of 0.795 to 169 Kg/cm | 05-17-2012 |
| 20120067778 | Multimetallic anionic clays and derived products for SOx removal in the fluid catalytic cracking process - The present invention relates to the preparation of Multimetallic Anionic Clays (MACs) through a simple method, which are then shaped by spray-drying into microspheres with adequate mechanical properties, suitable to be fluidized. The microspheres are appropriate for application as additives in the Fluid Catalytic Cracking (FCC) process, i.e. blended with the conventional catalyst, to in situ remove sulfur oxides (SO | 03-22-2012 |
| 20120040822 | Non-destructive process for the elimination of silicon from alumina based materials - The present invention refers to a method for eliminating silicon or silicon compounds that are contained in alumina based materials without destroying such alumina based materials allowing for their reutilization, its main application is being the regeneration of alumina based catalyst contaminated with silicon, which are used in hydro-treating processes in the oil industry for sulfur elimination and silicon removal from process streams. It is important to note that the procedures and/or conventional methods known so far for the elimination and removal of silicon contained in alumina based materials, use inorganic acids or their mixture in a digestion process which modifies the properties of alumina and of any other element contained in the material, thus destroying the alumina and disabling their reutilization. The non-destructive method of the present invention is characterized by the fact that an extraction agent depolymerize the silicon compounds deposited in alumina based materials, with no modification of the properties of the alumina based material and with no substantial modification of other materials o or on the metal content present in the alumina based material. The extraction agent used is an alcohol, preferably a polyol and more preferably glycerol, which is available needless of high grade of purity for its use. The silicon contained in alumina based materials, in which the non-destructive method of the present invention is used, is preferably found in inorganic structures such as oxide or silanol: Si—(OX) | 02-16-2012 |
| 20110296746 | Amino and imino propionic acids, process of preparation and use - N-alkyl, N-alkenyl, N-cycloalkyl, N-aryl amino or imino propionic acids with an alkyl chain ranging from 6 to 18 carbons, or alkenyl chain from 8 to 30 carbons, are obtained from a reaction process in the absence of solvent at a temperature range from 30 to 180° C. and a time of 1 to 10 hours at atmospheric pressure. Formulations composed of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl amino or imino propionic acids, polyethers derived from propylene oxide or ethylene oxide or copolymer thereof and a solvent consisting of aromatic compounds such as toluene or xylene, diesel or gasoline or alcohols such as isopropanol and ethanol, or mixtures thereof, are obtained inhibit ferrous metal corrosion of pipelines and storage tanks and transport crude oil and liquid fuels. A method inhibiting corrosion of ferrous metals adds an effective amount of the corrosion inhibitor to a petroleum based material such as crude oil and liquid fuels such as gasoline, diesel fuel, and aviation fuel. | 12-08-2011 |
| 20110275546 | FOAMING COMPOSITION FOR HIGH TEMPERATURE AND SALINITY - The present invention relates to the preparation of foaming formulations for high temperature, salinity and concentration of divalent ions, such as Calcium and Magnesium, that apply the synergistic effect of sodium alpha olefin sulfonates and alkyl amido propyl betaines; said inventions may use, as solvent, water, sea water, connate water, alcohols or mixtures all thereof. Said formulations control the piping of gas in reservoirs of the naturally fractured carbonate type. | 11-10-2011 |
| 20110269650 | Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process - Base compounds including 1,3-oxazinan-6-one derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde, and their application as corrosion inhibitors with multifunctional properties serving as inhibitory/dispersant of asphaltene in production processes, transportation, refining and storage of crude oil and derivatives. The corrosion inhibitor with inhibitory/dispersant of asphaltenes properties comprises an active substance base of 1,3-oxaninan-6-ones and hydrocarbon solvents such as benzene, toluene, mixed xylenes, o-xylene, m-xylene and p -xylene, diesel, kerosene, jet fuel, alcohols, aliphatic branched and unbranched alcohols containing from 3 to 10 carbon atoms, such as isopropanol, butanol and pentanol, and mixtures of hydrocarbon solvents with aliphatic branched or unbranched liquid fuels. In addition, a process for obtaining 1,3-oxazinan-6-ones derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde is described. | 11-03-2011 |
| 20110218097 | Catalyst for the hydrodesulfurization of residua and heavy crudes - A catalyst for hydrotreating, especially hydrodesulfurization, of residua and heavy crudes is prepared by synthesizing the support from titanium and boehmite, to form either a titanium/alumina support (TiO | 09-08-2011 |
| 20110215052 | Process of recovery of exhausted ionic liquids used in the extractive desulfurization of naphthas - A process for recovering ionic liquids comprising the steps of: providing a first ionic liquid mixture, the first ionic liquid having a halogen metallate anion, the mixture containing an organic solvent; adjusting the pH of the mixture to pH 7-10 by the addition of a base to form a first precipitate; separating the first precipitate from the mixture; removing the organic solvent from the first mixture to form a second precipitate and separating the second precipitate from the first mixture; acidifying the resulting mixture to pH 2-7 by the addition of an acid; and drying the mixture to obtain a second ionic liquid having a halogen anion. | 09-08-2011 |
| 20110212009 | Obtaining multimetallic oxides derived from hydrotalcite type compounds - A procedure for obtaining mixed multimetallic oxides derived from hydrotalcite type compounds, characterized in that the laminar metallic hydroxides obtained are constituted by three or four metallic cations, forming part of the sheets of the hydrotalcite type material represented by the formula: | 09-01-2011 |
| 20110162558 | Formulations comprising an asphaltene-dispersing/inhibiting additive based on oxazolidines derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides - The present invention relates to formulations of asphaltenes' inhibitor-dispersant additives based on oxazolidine derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides. Said formulations can contain inert organic solvents, preferably including: toluene, mixtures of xylene, o-xylene, p-xylene, kerosene, turbo-fuel; or inert hydrocarbon solvents having boiling points within the range of gasoline and diesel; or inert hydrocarbon or organic solvents having a boiling point within a range from 75 to 300° C. The ratio in weight of inert organic solvents to additive that prevents and controls the precipitation and deposition of asphaltenes ranges from 1:9 to 9:1, preferably from 1:3 to 3:1. | 07-07-2011 |
| 20110146973 | Biotechnological process for hydrocarbon recovery in low permeability porous media - The present invention refers to a biotechnological process that enhances oil recovery of a 14 to 25 API Gravity oil contained in carbonate-containing and/or clayey sandstone porous rock systems with low permeability (7 to 100 mD), thus focused to petroleum wells associated to zones with low recovery factor. The process utilizes the indigenous extremophile microorganisms activity from the oil reservoir and an IMP culture, as well as its metabolites (gases, acids, solvents and surfactants), which improve oil mobility and are able to develop at 60 to 95° C. temperatures, 7 to 154.6 Kg/cm | 06-23-2011 |
| 20110139262 | Process of preparing improved heavy and extra heavy crude oil emulsions by use of biosurfactants in water and product thereof - The present invention provides a process, which allows working with viscous petroleum referred to as “heavy and extra heavy crudes” by adding an appropriate biosurfactant to an aqueous phase containing a biosurfactant active compound. The result is the formation of a stable crude/water emulsion even with salt present therein. | 06-16-2011 |
| 20110138683 | Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors - The disclosure relates to new surfactants of bis-N-alkyl polyether, bis-N-alkenyl polyether, bis-N-cycloalkyl polyether, bis-N-aryl polyether bis-beta or alpha-imino acids or their salts, process for obtaining and using mainly as multifunctional corrosion inhibitors, which protect and prevent corrosion of ferrous metals exposed to acidic, basic and neutral when transporting or storing crude oil and liquid fuels, or to the equipment and pipes used in cooling systems industry petroleum and petrochemical industries. Gemini surfactants have the structural formula: | 06-16-2011 |
| 20110100875 | Mild Acidic Catalyst for Hydroprocessing of Heavy Crude Oil and Residue and its Synthesis Procedure - The invention relates to a method for synthesizing a hydroprocessing catalyst, wherein the support is prepared by mixing peptized aluminium with amorphous silica or with crystalline aluminium silicate as a catalyst component. The catalyst comprises a metal from group VIB and/or a metal from group VIIIB of the Periodic Table. The catalyst exhibits enhanced activity vis-à-vis hydrodisintegration, hydrodemetallization and hydrodesulphurization, and has a relatively stable life as a function of run time. Thus, the invention relates to a method for developing a catalyst for hydroprocessing heavy hydrocarbon feedstocks, which is characterized in that it comprises two steps: the first step involves optimization of the catalyst formulation with respect to textural properties, the number of acid sites and incorporation of the active metal; the second step involves evaluation with real feedstocks and the stability of the catalyst as is function of run time. Given that the methodology has been selected in order to illustrate the present invention, it should be understood by all those involved in the art of the invention that same may be changed and modified in a variety of ways without the scope of the present invention being thereby extended. | 05-05-2011 |
| 20110067295 | Formulations of random polymers for improving crude petroleum flow - The present invention is related to the use of formulations of new random copolymers and terpolymers, synthesized by a method of semi continuous emulsion polymerization, and that function as flow improvers, lowering the pour point and reducing the viscosity of Mexicans crude oils, which have gravities within the range of 9 to 30° API. | 03-24-2011 |
| 20110040484 | Online measurement system of radioactive tracers on oil wells head - The online measurement system of radioactive tracers in oil wells head, object of this invention, is characterized by the use of new technology to measure concentrations of tracer activity in real time, using a radiation detector NaI (TI), with features that make it possible to detect up to three different tracers and be able to operate in temperature conditions up to 150° C., which allows to be immersed in a container with fluid coming from the flow stream, achieving with this to increase the sensitivity of the measurements. This system of measurement in the head of production wells will allow having much more data of the tracer activity, avoiding having to transport the operational staff to production wells to carry out sampling test, with all the advantages that this represents. | 02-17-2011 |
| 20100230323 | Hydroprocessing of heavy hydrocarbons using liquid quench streams - A process for reducing sulfur, nitrogen, metals and asphaltene contents, while increasing the yield of distillable fractions in heavy hydrocarbons, by using a cooled light fraction as a liquid quench stream. The light fraction is obtained by splitting heavy hydrocarbons into a heavy fraction, and a light fraction which may be injected at spaced locations along a system of fixed-bed reactors series that comprises a first hydrodemetallization (HDM)/hydrodeasphaltenization (HDAs) step, followed by a second hydrodesulfurization (HDS)/hydrodenitrogenation (HDN)/hydrocracking step. The metal and asphaltene rich heavy fraction have contact with the entire catalyst system, while the light fraction is injected as side feed and quench stream(s) into the second reactor, where it is treated in admixture with the heavy fraction for elimination of the impurities of the light fraction. | 09-16-2010 |
| 20100224535 | Carbon supported catalyst for demetallation of heavy crude oil and residue - A supported carbon having high surface area, high pore volume containing (i) molybdenum (ii) a metal of non noble Group VIII, (iii) phosphorous, is used for hydrometallization of heavy crude oil and residue. The catalyst contains about 6 to 15 wt % molybdenum as MoO | 09-09-2010 |
| 20100193401 | Ionic Liquid Catalyst for Improvement of Heavy and Extra Heavy Crude - The present invention relates to improving heavy crude oil, and extra through a scheme considering the use of ionic liquids catalysts based on Mo and Fe catalyst is highly miscible with crude oil and are in the homogeneous phase crude oil. | 08-05-2010 |
| 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 |
| 20100116713 | Ionic liquid catalyst for the improvement of heavy crude and vacuum residues - Heavy crude oil residue and vacuum residue is upgraded using an ionic liquid catalyst formulated with metals of Group VIB and VIIIB of the periodic table, which catalyst is highly miscible in the hydrocarbon phase. The combination of different metals and acidity from the protons that make up the ionic liquid breaks the links C—S, C—N and C—O of the resins and asphaltenes and increases API gravity, decreases viscosity, removes sulfur and nitrogen compounds, and results in conversion of 50 to 70% of the waste oil and heavy crude oil into lighter distillates. | 05-13-2010 |
| 20100107478 | Oxazolidines derived from polyalkyl or polyalkenyl n-hydroxyalkyl succinimides, obtainment process and use - The present invention relates to oxazolidines derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides, the obtainment process thereof, and their use to prevent and control the formation of deposits in internal combustion engines, primarily in formulations of additives to be applied to hydrocarbon fuels. | 05-06-2010 |
| 20100081566 | PROCESS FOR PREPARING MULTIMETALLIC ANIONIC CLAYS AND PRODUCTS THEREOF - Multimetallic anionic clays (MACs) are prepared using economical raw materials or reactants and a procedure for obtaining a series of multimetallic mixed oxides derived from the thermal decomposition of the MACs which comprises: (1) dissolving water-soluble bimetallic and/or trimetallic sources in water, (2) dispersing and homogenizing separate water-insoluble divalent and/or trivalent metal precursors with a high-speed stirrer in order to obtain small and reactive particles; depending on the nature of the water-insoluble divalent and/or trivalent metal precursors, this process can be adjusted to a desired pH, (3) adding the suspension obtained in (2) to solution (1) with the reaction medium still dispersed to facilitate solid particle's reduction/dissociation, and (4) afterwards the slurry is aged for several hours and finally dried. This process enables raw materials or reactants to be easily handled, and eliminates unit operations involving product washing and/or purification steps. | 04-01-2010 |
| 20100069233 | Nanostructured titanium oxide material and its synthesis procedure - Nanomaterials of the JT phase of the titanium oxide TiO | 03-18-2010 |
| 20100051509 | Halogen-free ionic liquids in naphtha desulfurization and their recovery - Ionic liquids of the general formula C | 03-04-2010 |
| 20100025303 | Application of microporous carbon adsorbent for reducing the benzene content in hydrocarbon streams - The present invention is related with the application of an adsorbent material of microporous carbon (MCA), prepared from the direct pyrolysis of copolymers generically known as Saran, in adsorption processes to reduce the benzene content in naphtha boiling range hydrocarbon streams, between 27 and 191° C., in which is preferable to perform a first separation by distillation of the C6's fraction, and a further separation of Benzene by adsorption through an adsorbent material bed, obtaining the fraction of C6's free of Benzene and an adsorbent with Benzene, which is further regenerated by pressure or temperature swing desorption or by displacement using a desorbent such as an inert gas at high temperature or by passing a desorbent which after the process, the desorbent and Benzene are separated by distillation. The fraction of C6's free of Benzene is reintegrated to the hydrocarbon stream and providing a gasoline with a Benzene content less than 1 volume %. Besides, the application of the MCA in this type of process allows obtaining Benzene with a minimum purity of 99.8 weight % and a maximum toluene content of 0.1 weight %, satisfying the specifications of ASTM D-2359-02 for Refined Benzene-535 | 02-04-2010 |
| 20090288992 | Desulfurization of hydrocarbons by ionic liquids and preparation of ionic liquids - The present invention relates to an ionic liquid compound of general formula C | 11-26-2009 |
| 20080280754 | Process For Preparing a Catalytic Composition For the Hydroconversion of Petroleum Fractions - The invention relates to a method of preparing a catalytic composition comprising at least one non-noble metal from group VIII and at least one metal from group VIB of the periodic table. The invention also relates to the catalytic composition thus produced, which has a high specific activity in reactions involving the hydroprocessing of light and intermediate fractions, preferably in reactions involving the hydrotreatment of hydrocarbon streams, including hydrodesulphurisation (HDS), hydrodenitrogenation (HDN) and hydro-dearomatisation (HDA). | 11-13-2008 |
| 20080274034 | PROCESS FOR PREPARING MULTIMETALLIC ANIONIC CLAYS AND PRODUCTS THEREOF - Multimetallic anionic clays (MACs) are prepared using economical raw materials or reactants and a procedure for obtaining a series of multimetallic mixed oxides derived from the thermal decomposition of the MACs which comprises: (1) dissolving water-soluble bimetallic and/or trimetallic sources in water, (2) dispersing and homogenizing separate water-insoluble divalent and/or trivalent metal precursors with a high-speed stirrer in order to obtain small and reactive particles; depending on the nature of the water-insoluble divalent and/or trivalent metal precursors, this process can be adjusted to a desired pH, (3) adding the suspension obtained in (2) to solution (1) with the reaction medium still dispersed to facilitate solid particle's reduction/dissociation, and (4) afterwards the slurry is aged for several hours and finally dried. This process enables raw materials or reactants to be easily handled, and eliminates unit operations involving product washing and/or purification steps. | 11-06-2008 |
