Patents by Inventor Van Si LE

Van Si LE 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).

  • Publication number: 20260153421
    Abstract: Embodiments of the present disclosure generally relate to apparatus and methods for foam generation, and to apparatus and methods for evaluation of foam systems. In an embodiment, a method of analyzing foam properties includes delivering a foaming composition and a gas to a housing at a pressure of 500 psi to 6,000 psi and a temperature of 35° C. to 150° C., the housing containing an unconsolidated porous media. The method further includes flowing the foaming composition and the gas through the housing, and forming a foam by an interaction of the foaming composition, the gas, and the unconsolidated porous media. The method further includes directing the foam from the housing to a visualization chamber, the visualization chamber in fluid communication with the housing, and measuring a foam characteristic via the visualization chamber. The characteristic may include foam half-life, pressure drop through the unconsolidated media, and/or apparent viscosity of the foam.
    Type: Application
    Filed: January 27, 2026
    Publication date: June 4, 2026
    Inventors: Mohammad PIRI, Yun XIE, Keerti Vardhan SHARMA, Van Si LE, Magda Ibrahim YOUSSIF, Alvinda Sri HANAMERTANI, Omar ELKHATIB, Kaustubh Shriram RANE
  • Patent number: 12566118
    Abstract: Embodiments of the present disclosure generally relate to apparatus and methods for foam generation, and to apparatus and methods for evaluation of foam systems. In an embodiment, a method of analyzing foam properties includes delivering a foaming composition and a gas to a housing at a pressure of 500 psi to 6,000 psi and a temperature of 35° C. to 150° C., the housing containing an unconsolidated porous media. The method further includes flowing the foaming composition and the gas through the housing, and forming a foam by an interaction of the foaming composition, the gas, and the unconsolidated porous media. The method further includes directing the foam from the housing to a visualization chamber, the visualization chamber in fluid communication with the housing, and measuring a foam characteristic via the visualization chamber. The characteristic may include foam half-life, pressure drop through the unconsolidated media, and/or apparent viscosity of the foam.
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: March 3, 2026
    Assignee: UNIVERSITY OF WYOMING
    Inventors: Mohammad Piri, Yun Xie, Keerti Vardhan Sharma, Van Si Le, Magda Ibrahim Youssif, Alvinda Sri Hanamertani, Omar Elkhatib, Kaustubh Shriram Rane
  • Patent number: 12503637
    Abstract: Embodiments relate to methods and materials for foam production in enhanced oil recovery operations and to foaming agents, gas mobility control agents for use in porous media, compositions comprising such agents, methods for using such agents, methods for generating foams, and systems for enhanced oil recovery. In an embodiment, a method for recovery of oil from a porous rock formation includes contacting a foaming fluid and a surfactant solution with the porous rock formation, and generating a foam comprising the foaming fluid and the surfactant solution. The method further includes mobilizing oil from the porous rock formation by contacting the porous rock formation with the foam, and collecting at least a portion of the mobilized oil.
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: December 23, 2025
    Assignee: UNIVERSITY OF WYOMING
    Inventors: Mohammad Piri, Soheil Saraji, Alvinda Sri Hanamertani, Keerti Vardhan Sharma, Van Si Le, Magda Ibrahim Youssif Mohamed Soliman
  • Publication number: 20250354051
    Abstract: Methods and materials for foam production in enhanced oil recovery operations are described herein. More specifically, embodiments of the present disclosure relate to foaming agents, gas mobility control agents for use in porous media, compositions comprising such agents, methods for using such agents, methods for generating foams, and systems for enhanced oil recovery. In an embodiment, a method for recovery of oil from a porous rock formation is provided. The method includes contacting a foaming fluid and a surfactant solution described herein with the porous rock formation, and generating a foam comprising the foaming fluid and the surfactant solution. The method further includes mobilizing oil from the porous rock formation by contacting the porous rock formation with the foam; and collecting at least a portion of the mobilized oil.
    Type: Application
    Filed: July 22, 2025
    Publication date: November 20, 2025
    Inventors: Mohammad PIRI, Soheil SARAJI, Alvinda Sri HANAMERTANI, Keerti Vardhan SHARMA, Van Si LE, Magda Ibrahim Youssif Mohamed SOLIMAN
  • Publication number: 20230303912
    Abstract: Methods and materials for foam production in enhanced oil recovery operations are described herein. More specifically, embodiments of the present disclosure relate to foaming agents, gas mobility control agents for use in porous media, compositions comprising such agents, methods for using such agents, methods for generating foams, and systems for enhanced oil recovery. In an embodiment, a method for recovery of oil from a porous rock formation is provided. The method includes contacting a foaming fluid and a surfactant solution described herein with the porous rock formation, and generating a foam comprising the foaming fluid and the surfactant solution. The method further includes mobilizing oil from the porous rock formation by contacting the porous rock formation with the foam; and collecting at least a portion of the mobilized oil.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 28, 2023
    Inventors: Mohammad PIRI, Soheil SARAJI, Alvinda Sri HANAMERTANI, Keerti Vardhan SHARMA, Van Si LE, Magda Ibrahim YOUSSIF
  • Publication number: 20230304907
    Abstract: Embodiments of the present disclosure generally relate to apparatus and methods for foam generation, and to apparatus and methods for evaluation of foam systems. In an embodiment, a method of analyzing foam properties includes delivering a foaming composition and a gas to a housing at a pressure of 500 psi to 6,000 psi and a temperature of 35° C. to 150° C., the housing containing an unconsolidated porous media. The method further includes flowing the foaming composition and the gas through the housing, and forming a foam by an interaction of the foaming composition, the gas, and the unconsolidated porous media. The method further includes directing the foam from the housing to a visualization chamber, the visualization chamber in fluid communication with the housing, and measuring a foam characteristic via the visualization chamber. The characteristic may include foam half-life, pressure drop through the unconsolidated media, and/or apparent viscosity of the foam.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 28, 2023
    Inventors: Mohammad PIRI, Yun XIE, Keerti Vardhan SHARMA, Van Si LE, Magda Ibrahim YOUSSIF, Alvinda Sri HANAMERTANI, Omar ELKHATIB, Kaustubh Shriram RANE