Patents Assigned to Intevep, S.A.
  • Patent number: 6607036
    Abstract: A method for heating a subterranean formation includes the steps of positioning a well to a subterranean formation; disposing an energy transforming material in the formation; and exposing the material to energy whereby the material generates heat.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: August 19, 2003
    Assignee: Intevep, S.A.
    Inventors: Aaron Ranson, Luis Carlos Genolet, Douglas Espin, Juan Carlos Chavez
  • Patent number: 6579572
    Abstract: A method for altering wettability of a reservoir formation includes the steps of providing a water-based fluid containing a wettability altering coating system; and flowing the fluid into a reservoir so as to coat the reservoir with the coating system.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: June 17, 2003
    Assignee: Intevep, S.A.
    Inventors: Douglas Espin, Aaron Ranson, Juan Carlos Chavez, Mariela Araujo, Yani Carolina Araujo, Luis Carlos Genolet
  • Patent number: 6579832
    Abstract: A method for treating a drilling fluid is provided, which method includes the steps of providing a drilling fluid, providing a drilling fluid additive in the form of superparamagnetic nanoparticles, mixing the drilling fluid additive with the drilling fluid so as to provide a treated drilling fluid, and exposing the treated drilling fluid to a magnetic field so as to recover the superparamagnetic nanoparticles.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: June 17, 2003
    Assignee: Intevep S.A.
    Inventors: Maria Alejandra Jimenez, Luis Carlos Genolet, Juan Carlos Chavez, Douglas Espin
  • Patent number: 6554070
    Abstract: A method for sealing an annular space between a bore hole and a casing includes the steps of: providing a fluid sealing system comprising a particulate material and a bonding agent; positioning the fluid sealing system in the annular space whereby the particulate material adheres to walls of the bore hole and the casing; and curing the fluid sealing system so as to form a solid seal in the annular space.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: April 29, 2003
    Assignee: Intevep, S.A.
    Inventors: Luis Carlos Genolet, Juan Carlos Chavez, Douglas Espin, Marie Alejandra Jimenez
  • Patent number: 6547532
    Abstract: An annular suction valve includes a substantially tubular member having an inner surface defining a valve flow passage having an inlet, a nozzle disposed in the inlet and spaced from the inner surface so as to define an annular passage between the inner surface and the nozzle, the nozzle further defining an interior flow passage and having a nozzle inlet to the interior flow passage; and a power fluid inlet in one of the nozzle and the tubular member for receiving power fluid into the annular passage.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: April 15, 2003
    Assignee: Intevep, S.A.
    Inventors: Jose Rafael Gonzalez, Marice V Urbina, Luis R Casique
  • Publication number: 20030047491
    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: Application
    Filed: May 23, 2002
    Publication date: March 13, 2003
    Applicant: INTEVEP, S.A.
    Inventors: Carlos Gustavo Dassori, Nancy Fernandez, Rosa Arteca, Carlos Castillo
  • Publication number: 20030035765
    Abstract: A process for hydroprocessing a hydrocarbon feed with a known flow rate of hydrogen-containing gas and a volume of catalyst, includes the steps of providing a hydrocarbon feed having an initial characteristic; feeding the hydrocarbon feed and a first portion of the hydrogen-containing gas cocurrently to a first hydroprocessing zone containing a first portion of the catalyst so as to provide a first hydrocarbon product; providing an additional hydroprocessing zone containing a remainder of the catalyst; feeding the first hydrocarbon product cocurrently with a remainder of the hydrogen-containing gas to the additional hydroprocessing zone so as to provide a final hydrocarbon product having a final characteristic which is improved as compared to the initial characteristic, wherein the first portion of the hydrogen-containing gas is between about 30 and about 80% vol. of the known flow rate of the hydrogen-containing gas, and the first portion of the catalyst is between about 30 and about 70% wt.
    Type: Application
    Filed: July 19, 2002
    Publication date: February 20, 2003
    Applicant: INTEVEP, S.A.
    Inventors: Carlos Gostavo Dassori, Nancy Fernandez, Rosa Arteca, Carlos Castillo
  • Patent number: 6513592
    Abstract: A method is disclosed for consolidating an unconsolidated formation, which method includes the steps of providing a well drilled to an unconsolidated formation, providing a consolidation fluid in the form of a fluid suspension of nanoparticles, and flowing said consolidation fluid through the well and into the unconsolidated formation so as to position the nanoparticles between grains of the unconsolidated formation whereby the formation is consolidated over time.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: February 4, 2003
    Assignee: Intevep, S.A.
    Inventors: Douglas Espin, Juan Carlos Chavez, Aaron Ranson
  • Patent number: 6511041
    Abstract: A gas-lift valve includes a valve member having an inner wall defining a flow passage having a longitudinal axis, the valve member having a planar inlet end and an outlet end, the inner wall diverging from the inlet end to the outlet end so that the flow passage increases in cross sectional area from the inlet end to said outlet end.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: January 28, 2003
    Assignee: Intevep, S. A.
    Inventor: Juan G. Faustinelli
  • Patent number: 6491100
    Abstract: A method for disposing of a fluid includes the steps of obtaining a fluid; positioning a well into a saturated soil; and pumping the fluid into the well whereby the fluid displaces saturated soil away from the well so as to form a fluid zone in the saturated soil for storing the fluid.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: December 10, 2002
    Assignee: Intevep, S.A.
    Inventors: Heriberto Echezuria, Pedro Vasquez, Jose De Aguiar, Juan F. Urich
  • Patent number: 6485702
    Abstract: A composition of matter is provided including an inorganic porous material having wall portions defining mesopore-sized channels having a mean diameter of between about 15 Å and about 100 Å and a narrow diameter distribution of less than or equal to about 30 Å, the material having a void volume from the mesopore-sized channels of at least about 0.1 cc/g and a surface area of at least about 500 m2/g and having a number of hydroxyl groups of at least about 1.5 mmol of hydroxyl groups per gram of material, and exhibiting thermal and hydrothermal stability at temperatures up to about 500° C. Catalytic materials incorporating aluminum and other active metals, as well as a process for preparing the composition, are also disclosed.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: November 26, 2002
    Assignee: Intevep, S.A.
    Inventors: Juan Lujano, Jose Carrazza, Norma Valencia de Zapata
  • Patent number: 6481501
    Abstract: A method for drilling and completing a well includes the steps of drilling through a subterranean formation with a drill bit so as to form a well bore having a side wall; applying a consolidating material to the side wall under pressure so that said consolidating material flows into the side wall and provides a coated side wall coated with the consolidating material; and passing a scraping member having a desired profile past the coated side wall so as to provide the coated side wall with the desired profile an apparatus is also provided.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: November 19, 2002
    Assignee: Intevep, S.A.
    Inventors: Juan Carlos Chavez, Douglas Alexander Espin, Luis Carlos Genolet, Maria Alejandra Jimenez, Aaron Ranson
  • Patent number: 6477516
    Abstract: A method for predicting parameters of hydrocarbons includes the steps of generating an NMR spectrum of a sample of a hydrocarbon having different hydrogen or carbon types related to structures or sample composition; dividing the NMR spectrum into regions corresponding to the different hydrogen or carbon types related to structures or sample composition; evaluating different spectral regions by either (i) determining average molecular parameters, and (ii) quantifying a signal intensity of said at least one region of said different regions, based upon a desired parameter to be predicted so as to provide spectrum extracted quantities; and applying the spectrum extracted quantities to a trained neural network trained to correlate spectrum extracted quantities with hydrocarbon parameters so as to predict the desired parameters from the spectrum extracted quantity. A system is also provided.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: November 5, 2002
    Assignee: Intevep, S.A.
    Inventors: Silvia Rosa Colaiocco, Youssef Euclio Espidel
  • Patent number: 6447577
    Abstract: A method for removing at least one contaminant selected from consisting of H2S and CO2 from hydrocabon streams, including the steps of providing a stream of hydrocarbon containg the at least one contaminant; the positioning metal-containing nanoparticles in the streams, the metal-containing nanoparticles being selected from the group consisting of metal oxides, metal hydroxides and combination thereof, whereby the nanoparticles absorb the contaminants from the stream.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: September 10, 2002
    Assignee: Intevep, S. A.
    Inventors: Douglas Espin, Aaron Ranson, Mariela Araujo
  • Patent number: 6444116
    Abstract: An integrated process for treating a vacuum gas oil, kerosene, naphtha and Diesel-containing feed, includes the steps of providing a reaction feed containing residue, vacuum gas oil, kerosene, naphtha, Diesel, hydrogen sulfide, ammonia, and C1-C4 gas phase compounds; providing a stripping gas; providing a washing feed; and feeding the reaction feed, the stripping gas and the washing feed to a stripping and washing zone so as to obtain a gas phase containing the hydrogen sulfide, the ammonia, the C1-C4 gas phase compounds, the naphtha, the kerosene, the Diesel and the vacuum gas oil and a liquid phase, wherein the reaction feed is provided at a reaction feed pressure of between bout 700 psig and about 3500 psig, and wherein the stripping and washing zone is operated at a pressure within about 80 psig of the reaction feed pressure.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: September 3, 2002
    Assignee: Intevep, S.A.
    Inventors: Roberto Galiasso, Edilberto Rodriguez
  • Patent number: 6405799
    Abstract: A process for in situ upgrading of a heavy hydrocarbon includes the steps of (a) positioning a well in a reservoir containing a heavy hydrocarbon having an initial API gravity of less than or equal to about 8; (b) injecting a light solvent into the well at reservoir conditions so as to provide an upgraded hydrocarbon in the reservoir, the upgraded hydrocarbon having an improved API gravity greater than the initial API gravity; and (c) producing the upgraded hydrocarbon from the well.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: June 18, 2002
    Assignee: Intevep, S.A.
    Inventors: Carlos Vallejos, Tito Vasquez, Gerson Siachoque, Ignacio Layrisse
  • Patent number: 6387840
    Abstract: A method for making an oil soluble coking process additive, includes the steps of: providing mixture of a metal salt in water wherein the metal salt contains a metal selected from the group consisting of alkali metals, alkaline earth metals and mixtures thereof; providing a heavy hydrocarbon; forming an emulsion of the mixture and the heavy hydrocarbon; heating the emulsion so as to react the metal salt with components of the heavy hydrocarbon so as to provide a treated hydrocarbon containing oil soluble organometallic compound, wherein the organometallic compound includes the metal and is stable at a temperature of at least about 300° C. The oil soluble additive and a process using same are also disclosed.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: May 14, 2002
    Assignee: Intevep, S.A.
    Inventors: Ramon Salazar, Monsaris Pimentel, Alice Dupatrocinio, Pedro Pereira, Jose Guitian, Jose Cordova
  • Patent number: 6384091
    Abstract: A process for preparing a hydrocarbon in water emulsion includes the steps of providing a hydrocarbon phase containing inactive natural surfactant; mixing a solid carbon additive with the hydrocarbon phase, the solid additive being selected from the group consisting of coal, coke and mixtures thereof so as to provide a hydrocarbon suspension including the solid carbon additive; and forming an emulsion from the hydrocarbon suspension and an aqueous phase in the presence of a surfactant activating additive so as to activate the inactive natural surfactant and form a hydrocarbon in water emulsion having the solid carbon additive suspended in the hydrocarbon phase. A hydrocarbon in water emulsion is also provided including a hydrocarbon phase, a water phase, a surfactant, and a solid carbon additive suspended in the hydrocarbon phase, the solid carbon additive being selected from the group consisting of coal, coke and mixtures thereof.
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: May 7, 2002
    Assignee: Intevep, S.A.
    Inventors: Ignacio A. Layrisse, Nilia Romero, Gustavo A. Nunez
  • Patent number: 6360823
    Abstract: An apparatus for performing a function in a flowing fluid includes an apparatus body and a drag member associated with the apparatus body. The drag member is configurable between drag configuration for moving with the fluid wherein the apparatus has a first drag and a reduced drag configuration for moving against the fluid wherein the apparatus has a second drag which is less than the first drag.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: March 26, 2002
    Assignee: Intevep, S.A.
    Inventors: Aaron Ranson, Jose Zapico, Douglas A. Espin, Mariela G. Araujo
  • Patent number: 6346224
    Abstract: A method for preparing a metalloaluminosilicate, includes the steps of: providing a solution containing a silica source; providing a solution containing an alumina source; providing an aqueous acid solution containing a metal other than silicon or aluminum; mixing the silica source solution with the aqueous acid solution so as to form a silica source-metal containing mixture; mixing the silica source-metal containing mixture with the alumina source solution so as to provide a gel mixture; and hydrothermally crystallizing the gel mixture so as to provide a metalloaluminosilicate material having an aluminosilicate framework and having the metal incorporated into the aluminosilicate framework. A method for preparing aluminosilicate, and specific compositions, are also provided.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: February 12, 2002
    Assignee: Intevep, S.A.
    Inventors: Gerardo Vitale-Rojas, Andres Miguel Quesada Perez