Patents Assigned to PETROAZA SAS
  • Methods for enhancing heavy oil recovery
    Patent number: 11629295
    Abstract: Novel catalysts comprising nickel oxide nanoparticles supported on alumina nanoparticles, methods of their manufacture, heavy oil compositions contacted by these nanocatalysts and methods of their use are disclosed. The novel nanocatalysts are useful, inter alia, in the upgrading of heavy oil fractions or as aids in oil recovery from steam-assisted well reservoirs.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 18, 2023
    Assignee: PETROAZA SAS
    Inventor: Jose Edgar Patino