Patents Assigned to Intevep, S.A.
  • Modified kaolin compositions and methods for making same
    Patent number: 7390358
    Abstract: A method for preparing a modified kaolin clay, includes the steps of providing a kaolin clay material having a starting ratio of silica to alumina; mixing the kaolin clay material with acid so as to form a substantially homogenous paste; calcining the paste so as to provide a calcined acid-treated clay material; mixing the calcined acid-treated clay material in water so as to form a suspension; precipitating aluminum from the suspension so as to produce a reduced aluminum suspension; and obtaining a modified clay material from the reduced aluminum suspension, wherein the modified clay material has a final ratio of silica to alumina which is higher than the starting ratio.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: June 24, 2008
    Assignee: Intevep, S.A.
    Inventors: Andres M. Quesada Perez, Gerardo Vitale-Rojas
  • Downhole gas separator
    Patent number: 7377314
    Abstract: A downhole gas separator includes an external tube having a closed bottom and an open top; and an internal tube positioned eccentrically within the external tube and having an open bottom and a top adapted for connection to a production tube. The internal tube can alternatively be connected to a pump intake. The separator is positioned eccentrically within a casing, and provides for separation of gas from produced fluids before the fluids enter the production tube and/or pump.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: May 27, 2008
    Assignee: Intevep, S.A.
    Inventor: Pedro Gonzalez
  • WATER IN HYDROCARBON EMULSION USEFUL AS LOW EMISSION FUEL AND METHOD FOR FORMING SAME
    Publication number: 20080060258
    Abstract: A water-in-hydrocarbon emulsion includes a water phase, a hydrocarbon phase and a surfactant, wherein the water phase is present in an amount greater than or equal to about 5% vol. with respect to volume of the emulsion, and the water phase and the surfactant are present at a ratio by volume of the water phase to the surfactant of at least about 1. A method for preparing the emulsion is also provided.
    Type: Application
    Filed: August 28, 2007
    Publication date: March 13, 2008
    Applicant: INTEVEP, S.A.
    Inventors: Hercilio Rivas, Xiomara Gutierrez, Manuel Gonzalez, Geoffrey McGrath, Migdalia Carrasquero, Francisco Lopez-Linares, Roberto Galiasso
  • Biodesulfurization of hydrocarbons
    Patent number: 7338795
    Abstract: A process for treating liquid hydrocarbon, includes the steps of providing a liquid hydrocarbon containing complex sulfur-containing compounds, providing a bioactive material selected from or derived from members of genus Alcaligenes; and exposing the liquid hydrocarbon to the bioactive material under effective conditions such that the bioactive material interacts with the complex sulfur compounds and transforms the organic sulfur-containing compounds into inorganic sulfur compounds.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: March 4, 2008
    Assignee: Intevep, S.A.
    Inventors: Isora Ranson, Carmen M. Rivas
  • Crystalline composition, preparation and use
    Patent number: 7316807
    Abstract: A porous crystalline composition having a molar composition as follows: YO2:m X2O3:n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium and combinations thereof, X is a trivalent element selected from the group consisting of aluminum, gallium, boron, iron and combinations thereof, Z is a divalent element selected from the group consisting of magnesium, zinc, cobalt, manganese, nickel and combinations thereof, m is between about 0 and about 0.5, n is between about 0 and about 0.5; and the composition has an x-ray diffraction pattern which distinguishes it from the materials. A process for making the composition, and a process using the composition to treat an organic compound are also provided.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: January 8, 2008
    Assignee: Intevep, S.A.
    Inventors: Andrés Quesada Perez, Gerardo Vitale Rojas
  • Aloe derived scale inhibitor
    Publication number: 20070281866
    Abstract: A method is provided for inhibiting scale in a liquid hydrocarbon system, including the steps of: providing a liquid hydrocarbon system; providing an aloe-derived scale inhibitor; and mixing the aloe-derived scale inhibitor with the liquid hydrocarbon system in amounts effective to inhibit formation of scale. The scale inhibitor is aloe gel dissolved in water at a concentration of between about 5 and about 50% wt/wt, which includes polysaccharides having a hydrocarbon chain structure having carboxyl and alcohol functional groups that interact with divalent ions.
    Type: Application
    Filed: May 30, 2006
    Publication date: December 6, 2007
    Applicant: Intevep, S.A.
    Inventors: Alfredo Viloria, Luis Castillo, Jose A. Garcia, Jose Biomorgi
  • CRYSTALLINE COMPOSITION, PREPARATION AND USE
    Publication number: 20070276175
    Abstract: A porous crystalline composition having a molar composition as follows: YO2:m X2O3:n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium and combinations thereof, X is a trivalent element selected from the group consisting of aluminum, gallium, boron, iron and combinations thereof, Z is a divalent element selected from the group consisting of magnesium, zinc, cobalt, manganese, nickel and combinations thereof, m is between about 0 and about 0.5, n is between about 0 and about 0.5; and the composition has an x-ray diffraction pattern which distinguishes it from the materials. A process for making the composition, and a process using the composition to treat an organic compound are also provided.
    Type: Application
    Filed: June 13, 2007
    Publication date: November 29, 2007
    Applicant: INTEVEP, S.A.
    Inventors: Andres Perez, Gerardo Rojas
  • Aluminosilicate compositions, preparation and use
    Patent number: 7297319
    Abstract: A metalloaluminosilicate composition includes an aluminosilicate composition having an aluminosilicate framework and containing at least one metal, wherein a substantial portion of the metal is incorporated into the aluminosilicate framework. A higher concentration of the metal is incorporated into the framework of the catalyst than is present at the surface of the catalyst.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: November 20, 2007
    Assignee: Intevep, S.A.
    Inventors: Gerardo Vitale-Rojas, Andres Miguel Quesada-Perez
  • SELECTIVE SULFUR REMOVAL FROM HYDROCARBON STREAMS BY ADSORPTION
    Publication number: 20070227948
    Abstract: An adsorbent for selective removal of sulfur from a hydrocarbon feedstock includes a matrix material having a surface area of at least about 400 m2/g and a surface acidity of less than about 0.20 ?mol/m2; and a metal phase dispersed through the matrix, the metal phase being selective to reversible adsorption of sulfur. A process for using and method for making the adsorbent are also provided.
    Type: Application
    Filed: May 30, 2007
    Publication date: October 4, 2007
    Applicant: INTEVEP, S.A.
    Inventors: M.M. Ramirez-Corredores, Zaida Hernandez, Julia Guerra, Raul Navarro L.
  • SURFACTANT PACKAGE FOR WELL TREATMENT AND METHOD FOR USING SAME
    Publication number: 20070191234
    Abstract: A surfactant blend for servicing wells includes a first non-ionic surfactant having a hydrophilic-lipophilic balance of between about 10 and about 15; a second non-ionic surfactant having a hydrophilic-lipophilic balance of between about 2 and about 6; and an anionic surfactant.
    Type: Application
    Filed: April 20, 2007
    Publication date: August 16, 2007
    Applicant: INTEVEP, S.A.
    Inventors: Manuel Mas, Alicia Colina, Williams Aular
  • SURFACTANT PACKAGE FOR WELL TREATMENT AND METHOD FOR USING SAME
    Publication number: 20070191235
    Abstract: A surfactant blend for servicing wells includes a first non-ionic surfactant having a hydrophilic-lipophilic balance of between about 10 and about 15; a second non-ionic surfactant having a hydrophilic-lipophilic balance of between about 2 and about 6; and an anionic surfactant.
    Type: Application
    Filed: April 20, 2007
    Publication date: August 16, 2007
    Applicant: INTEVEP, S.A.
    Inventors: Manuel Mas, Alicia Colina, Williams Aular
  • Hydrogenation catalyst with improved textural properties
    Patent number: 7256220
    Abstract: A method is provided for making a catalyst support, and includes the steps of providing an aqueous suspension of refractory inorganic oxide and refractory inorganic carbide; forming the suspension into droplets; exposing the droplets to a gelling agent whereby the droplets are at least partially solidified so as to provide substantially sphere-shaped portions of refractory inorganic oxide and refractory inorganic carbide; and drying and calcining the sphere-shaped portions so as to provide substantially spherical particles of catalyst support containing refractory inorganic oxide and refractory inorganic carbide. Catalytically active metal phases and hydrogenation processes using the catalyst are also described.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: August 14, 2007
    Assignee: Intevep, S.A.
    Inventors: Jorge M. Martinis, María E. Valera, José R. Velásquez, Angel R. Carrasquel
  • Desulfurization process of hydrocarbon feeds with electrolytic hydrogen
    Patent number: 7244351
    Abstract: A process for removing sulfur from hydrocarbon feeds, including the steps of providing a hydrocarbon feed containing sulfur; providing a cell having two compartments and a membrane separating the compartments; flowing a hydrogen source through one compartment; flowing the hydrocarbon feed through the other compartment; applying a current across the hydrogen source compartment whereby hydrogen diffuses through the membrane from the hydrogen source to the hydrocarbon feed, whereby the hydrogen reacts with sulfur to form H2S and produce a treated hydrocarbon.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: July 17, 2007
    Assignee: Intevep, S.A.
    Inventors: Victor Báez Báez, Diego Sánchez M.
  • Process for converting heavy crude oils and petroleum coke to syngas using external source of radiation
    Patent number: 7176246
    Abstract: A process for thermochemical conversion of heavy oil and petroleum coke to fluid fuels includes the steps of: providing a fossil fuel selected from the group consisting of heavy oil, petroleum coke and mixtures thereof; and exposing the fossil fuel to an external source of concentrated radiation so as to increase the temperature of the fossil fuel, supply high-temperature heat required for the desired endothermic conversion process, and convert the fossil fuel to a product selected from the group consisting of hydrogen, carbon monoxide, gaseous hydrocarbons and mixtures thereof.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: February 13, 2007
    Assignee: Intevep, S.A.
    Inventors: Domingo Rodriguez, Alfredo Morales, Julian Blanco, Manuel Romero, Aldo Steinfeld
  • Hydroprocessing process
    Patent number: 7166209
    Abstract: A process for hydroprocessing a hydrocarbon feedstock includes the steps of providing a hydrocarbon feed having an initial characteristic; providing a first hydrogen-containing gas; feeding the hydrocarbon feed and the first hydrogen-containing gas cocurrently to a first hydroprocessing zone so as to provide a first hydrocarbon product; providing a plurality of additional hydroprocessing zones including a final zone and an upstream zone; feeding the first hydrocarbon product cocurrently with a recycled gas to the upstream zone so as to provide an intermediate hydrocarbon product; and feeding the intermediate hydrocarbon product cocurrently with a second hydrogen-containing gas to the final zone so as to provide a final hydrocarbon product having a final characteristic which is improved as compared to the initial characteristic.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: January 23, 2007
    Assignee: Intevep, S.A.
    Inventor: Carlos Gustavo Dassori
  • Desalting of hydrocarbons
    Publication number: 20060293210
    Abstract: A composition for desalting a hydrocarbon includes a hydrophilic gel component and a polyoxyalkene ethoxylated surfactant component. A method is also provided. Preferred gel component includes hydrated polyanionic cellulose, and preferred surfactant component includes polyoxypropylene ethoxylated surfactant.
    Type: Application
    Filed: June 23, 2005
    Publication date: December 28, 2006
    Applicant: INTEVEP, S.A.
    Inventors: Pedro Ortega, Manuel Colina, Rafael Fernández
  • Hydroprocessing process
    Patent number: 7097815
    Abstract: A process for hydroprocessing a hydrocarbon feedstock, includes the steps of providing a hydrocarbon feed having an initial characteristic; providing a first hydrogen-containing gas; feeding the hydrocarbon feed and the first hydrogen-containing gas cocurrently to a first hydroprocessing zone so as to provide a first hydrocarbon product; providing a plurality of additional hydroprocessing zones including a final zone and an upstream zone; feeding the first hydrocarbon product cocurrently with a recycled gas to the upstream zone so as to provide an intermediate hydrocarbon product; and feeding the intermediate hydrocarbon product cocurrently with a second hydrogen-containing gas to the final zone so as to provide a final hydrocarbon product having a final characteristic which is improved as compared to the initial characteristic.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: August 29, 2006
    Assignee: Intevep, S.A.
    Inventors: Carlos Gustavo Dassori, Nancy Fernandez, Rosa Arteca, Carlos Castillo
  • Additives for improving thermal conversion of heavy crude oil
    Patent number: 7067053
    Abstract: A process for upgrading a heavy crude oil includes the steps of providing a heavy crude oil; and exposing the heavy crude oil to residue conversion conditions in the presence of a free radical generator and a hydrogen donor, whereby the free radical generator enhances reactions to form distillates, and the hydrogen donor inhibits reactions to form coke.
    Type: Grant
    Filed: August 16, 2002
    Date of Patent: June 27, 2006
    Assignee: Intevep, S.A.
    Inventors: Edgar A Cotte, Ivan C. Machin
  • Aluminosilicate compositions, preparation and use
    Patent number: 7041274
    Abstract: A metalloaluminosilicate composition includes an aluminosilicate composition having an aluminosilicate framework and containing at least one metal, wherein a substantial portion of the metal is incorporated into the aluminosilicate framework. A higher concentration of the metal is incorporated into the framework of the catalyst than is present at the surface of the catalyst.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: May 9, 2006
    Assignee: Intevep, S.A.
    Inventors: Gerardo Vitale-Rojas, Andres Miguel Quesada-Perez
  • Method for preparation of asphalt composition
    Patent number: 7037961
    Abstract: A method for preparing an asphalt composition includes the steps of providing asphalt; mixing sulfur with the asphalt at a temperature greater than 200° C. to provide a sulfur-asphalt blend; providing a heavy aromatic oil; and mixing the heavy aromatic oil with the sulfur-asphalt blend to provide the asphalt composition. Polymers can also advantageously be incorporated into the asphalt composition.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: May 2, 2006
    Assignee: Intevep, S.A.
    Inventors: Hercilio Rivas, Pedro Blanco