Patents by Inventor Corina L. Sandu

Corina L. Sandu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9845434
    Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: December 19, 2017
    Assignee: Baker Hughes, a GE company, LLC
    Inventors: Sai Reddy Pinappu, Lawrence N. Kremer, Corina L. Sandu
  • Patent number: 9815700
    Abstract: A method for producing carbon nanotubes and/or fibers, such as carbon nanotubes, involves sparging a gas (such as carbon dioxide) through a liquid hydrocarbon (such as crude oil) in the presence of an effective amount of metal oxide particles (such as MgO, Al2O3, CeO2, and/or SiO2 nanoparticles having a size in the range from about 2 nm to about 10 microns, and which may have a bimodal particle size distribution) at a temperature in a range of between about 70 to about 350° C. to produce carbon nanotubes and fibers having a size range of from about 50 nm to about 20 microns.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: November 14, 2017
    Assignee: Baker Hughes
    Inventor: Corina L. Sandu
  • Publication number: 20170306246
    Abstract: A composition useful for scavenging hydrogen sulfide by admixing metal carboxylates which have high viscosity due to polymerization and a viscosity improver selected from the group consisting of glycol ethers having from about 4 to about 10 carbons, alkyl alcohols having from about 1 to about 10 carbons, and combinations thereof.
    Type: Application
    Filed: July 8, 2017
    Publication date: October 26, 2017
    Applicant: Baker Hughes, a GE company, LLC
    Inventors: Corina L. Sandu, Yun Bao, Jerry J. Weers, Ross Poland, Philip L. Leung, Lei Zhang, John A. Schield
  • Patent number: 9719027
    Abstract: A composition useful for scavenging hydrogen sulfide by admixing metal carboxylates which have high viscosity due to polymerization and a viscosity improver selected from the group consisting of glycol ethers having from about 4 to about 10 carbons and alkyl alcohols having from about 1 to about 4 carbons.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: August 1, 2017
    Assignee: Baker Hughes Incorporated
    Inventors: Corina L. Sandu, Yun Bao, Jerry J. Weers, Ross Poland, Philip L. Leung, Lei Zhang, John A. Schield
  • Publication number: 20170096606
    Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.
    Type: Application
    Filed: December 19, 2016
    Publication date: April 6, 2017
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: SAI REDDY PINAPPU, LAWRENCE N. KREMER, CORINA L. SANDU
  • Patent number: 9581581
    Abstract: The stability of an oil-based fluid crude oil fluid may be determined by measuring a first RI value of the crude oil that does not comprise a solvent where the first RI value is used to determine a first solubility parameter therefrom. A second RI value may be taken from the crude oil at a point of asphaltene flocculation during a turbidimetric flocculation titration. The second RI value may be used to determine a second solubility parameter. A process for refining the crude oil may be controlled by maintaining the process or implementing a change to the process based on a ratio of the first solubility parameter to the second solubility parameter.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: February 28, 2017
    Assignee: Baker Hughes Incorporated
    Inventors: Marco Respini, Giuseppe Della Sala, Gavin M. Medine, Corina L. Sandu
  • Patent number: 9523054
    Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent problematic issues caused by the asphaltenes, such as sludges, plugging, deposits, fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: December 20, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Sai Reddy Pinappu, Lawrence N. Kremer, Corina L. Sandu
  • Publication number: 20160280546
    Abstract: A method for producing carbon nanotubes and/or fibers, such as carbon nanotubes, involves sparging a gas (such as carbon dioxide) through a liquid hydrocarbon (such as crude oil) in the presence of an effective amount of metal oxide particles (such as MgO, Al2O3, CeO2, and/or SiO2 nanoparticles having a size in the range from about 2 nm to about 10 microns, and which may have a bimodal particle size distribution) at a temperature in a range of between about 70 to about 350° C. to produce carbon nanotubes and fibers having a size range of from about 50 nm to about 20 microns.
    Type: Application
    Filed: June 8, 2016
    Publication date: September 29, 2016
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: CORINA L. SANDU
  • Patent number: 9377450
    Abstract: A process for refining crude oil can be controlled to mitigate fouling by deploying a refractive index probe at a location suitable for making a crude oil stability determination, wherein the crude oil stability determination is relevant to controlling the refining process; making a measurement of crude oil stability; and then controlling the process for refining crude oil by maintaining the process or implementing a change to the process, based upon the determination of crude oil stability. This concept can also be applied to transporting, blending, and storing crude oil.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: June 28, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Marco Respini, Giuseppe Della Sala, Gavin M. Medine, Corina L. Sandu, Sai Reddy Pinappu
  • Patent number: 9376320
    Abstract: A method for producing carbon nanotubes and/or fibers, such as carbon nano-tubes, involves sparging a gas (such as carbon dioxide) through a liquid hydrocarbon (such as crude oil) in the presence of an effective amount of magnesium oxide (MgO) particles (such as MgO nanoparticles having a size in the range from about 2 nm to about 10 microns, and which may have a bimodal particle size distribution) at a temperature in a range of between about 70 to about 90° C. to produce carbon nanotubes and fibers having a size range of from about 50 nm to about 20 microns.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 28, 2016
    Assignee: BAKER HUGHES INCORPORATED
    Inventor: Corina L. Sandu
  • Publication number: 20160167967
    Abstract: A method for producing carbon nanotubes and/or fibers, such as carbon nanotubes, involves sparging a gas (such as carbon dioxide) through a liquid hydrocarbon (such as crude oil) in the presence of an effective amount of magnesium oxide (MgO) particles (such as MgO nanoparticles having a size in the range from about 2 nm to about 10 microns, and which may have a bimodal particle size distribution) at a temperature in a range of between about 70 to about 90° C. to produce carbon nanotubes and fibers having a size range of from about 50 nm to about 20 microns.
    Type: Application
    Filed: December 11, 2014
    Publication date: June 16, 2016
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: CORINA L. SANDU
  • Publication number: 20150219614
    Abstract: The stability of an oil-based fluid crude oil fluid may be determined by measuring a first RI value of the crude oil that does not comprise a solvent where the first RI value is used to determine a first solubility parameter therefrom. A second RI value may be taken from the crude oil at a point of asphaltene flocculation during a turbidimetric flocculation titration. The second RI value may be used to determine a second solubility parameter. A process for refining the crude oil may be controlled by maintaining the process or implementing a change to the process based on a ratio of the first solubility parameter to the second solubility parameter.
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Marco Respini, Giuseppe Della Sala, Gavin M. Medine, Corina L. Sandu
  • Patent number: 9038451
    Abstract: A method for detecting the formation of at least one phase in a mixture, particularly a hydrocarbon mixture. The method may include using a probe to expose a portion of the mixture to electromagnetic radiation to determine the value of a parameter of interest indicative of the formation of a phase. The method may also include using the value of the parameter of interest with a correlation between a known property of the mixture and the value of a parameter of interest to detect the formation of a phase.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: May 26, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Corina L. Sandu, Sebatian Csutak, Marco Respini, Huzeifa Ismail, Michael O. Brauchle
  • Publication number: 20150052802
    Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent problematic issues caused by the asphaltenes, such as sludges, plugging, deposits, fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.
    Type: Application
    Filed: August 20, 2014
    Publication date: February 26, 2015
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: SAI REDDY PINAPPU, Lawrence N. Kremer, Corina L. Sandu
  • Publication number: 20140378718
    Abstract: Introducing an additive into a crude oil may result in the crude oil having comparatively lower acid levels as compared to an otherwise identical crude oil absent the additive. The additive may include nanoparticles of metal oxides, oil soluble hydrogen donors, and/or heavy amines. The oil soluble hydrogen donors may be or include 1,2,3,4-tetrahydronaphthalene; 1,2,3,4-tetrahydrdroquinoline; 9,10-dihydroanthracene; 9,10-dihydrophenanthrene; and combinations thereof. The heavy amines may be or include alkyl amines, alkanolamines, polyethylene amines, polypropylene amines, and combinations thereof.
    Type: Application
    Filed: June 23, 2014
    Publication date: December 25, 2014
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Zhenning Gu, Jerry M. Basconi, Corina L. Sandu, Lawrence N. Kremer, Jerry J. Weers
  • Publication number: 20140231311
    Abstract: A composition useful for scavenging hydrogen sulfide by admixing metal carboxylates which have high viscosity due to polymerization and a viscosity improver selected from the group consisting of glycol ethers having from about 4 to about 10 carbons and alkyl alcohols having from about 1 to about 4 carbons.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 21, 2014
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Corina L. Sandu, Yun Bao, Jerry J. Weers, Ross Poland, Philip L. Leung, Lei Zhang, John A. Schield
  • Publication number: 20130341241
    Abstract: A process for refining crude oil can be controlled to mitigate fouling by deploying a refractive index probe at a location suitable for making a crude oil stability determination, wherein the crude oil stability determination is relevant to controlling the refining process; making a measurement of crude oil stability; and then controlling the process for refining crude oil by maintaining the process or implementing a change to the process, based upon the determination of crude oil stability. This concept can also be applied to transporting, blending, and storing crude oil.
    Type: Application
    Filed: June 21, 2013
    Publication date: December 26, 2013
    Inventors: Marco RESPINI, Giuseppe DELLA SALA, Gavin M. MEDINE, Corina L. SANDU, Sai Reddy PINAPPU
  • Publication number: 20130315277
    Abstract: Additives for improving furnace heat transfer efficiency may be effectively screened for effectiveness by heating the additive, optionally mixed with ash, to the operating temperature of the furnace and measuring its relative emissivity. Additives that have lower emissivity at furnace operating temperatures may be useful for improving furnace heat transfer efficiency as compared to those that have higher emissivity.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 28, 2013
    Applicant: Baker Hughes Incorporated
    Inventors: Zhenning GU, Corina L. Sandu, James Michael Brown
  • Publication number: 20130296618
    Abstract: A carbon-based additive may be added to a base fluid to form a fluid composition. The fluid composition may inhibit fouling of the base fluid by any fouling-causing components that may be present in the base fluid where the base fluid is an aqueous fluid, a non-aqueous fluid, and combinations thereof. A carbon-based additive may include solid nanoparticles, nanotubes, graphene, graphene oxide, nanoribbons, nanosheets, and combinations thereof. The carbon-based additive may be present in the fluid in an effective amount to inhibit fouling of the fluid by the fouling-causing components, particularly asphaltenes in a non-limiting example.
    Type: Application
    Filed: April 26, 2013
    Publication date: November 7, 2013
    Applicant: Baker Hughes Incorporated
    Inventor: Corina L. Sandu
  • Publication number: 20130284913
    Abstract: Industrial fluids can be monitored by employing differential ion mobility spectrometer to sample the industrial fluids. This process may also include controlling an industrial device or an industrial process using the results of the output from the field asymmetric ion mobility spectrometer. The process may also include employing a device to condition the sample prior to introducing the sample into field asymmetric ion mobility spectrometer.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 31, 2013
    Applicant: Baker Hughes Incorporated
    Inventors: Sai Reddy Pinappu, Bradley G. Harrell, Randy G. Rechtien, Jerry J. Weers, Corina L. Sandu, J. Michael Brown