Patents Assigned to Petrosa (The Petroleum Oil & Gas Corporation of SA (Pty) Ltd)
  • Method for increased oil recovery from an oil field
    Patent number: 7677309
    Abstract: A method for increasing oil recovery from an oil reservoir in which method surplus gas streams from a plant for synthesis of higher hydrocarbons from natural gas is injected into the reservoir, is described. The surplus streams from the plant is the tailgas from the synthesis and optionally nitrogen from an air separation unit which delivers oxygen or oxygen enriched air to the plant for synthesis of higher hydrocarbons.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: March 16, 2010
    Assignees: Statoil ASA, Petrosa (The Petroleum Oil & Gas Corporation of SA (Pty) Ltd)
    Inventors: Gareth David Huntley Shaw, Ola Olsvik, Erling Rytter, Jostein Sogge, Jan Age Stensen
  • METHOD FOR INCREASED OIL RECOVERY FROM AN OIL FIELD
    Publication number: 20080283254
    Abstract: A method for increasing oil recovery from an oil reservoir in which method surplus gas streams from a plant for synthesis of higher hydrocarbons from natural gas is injected into the reservoir, is described. The surplus streams from the plant is the tailgas from the synthesis and optionally nitrogen from an air separation unit which delivers oxygen or oxygen enriched air to the plant for synthesis of higher hydrocarbons.
    Type: Application
    Filed: May 16, 2008
    Publication date: November 20, 2008
    Applicants: STATOIL ASA, PetroSA (The Petroleum Oil & Gas Corporation of SA (Pty) Ltd)
    Inventors: Gareth David Huntley Shaw, Ola Olsvik, Erling Rytter, Jostein Sogge, Jan Age Stensen