Patents Assigned to BASF Canada
  • Process for producing mineral oil from underground formations
    Patent number: 8763698
    Abstract: The present invention relates to a process for producing mineral oil from underground formations, wherein, in one process step, permeable regions of the underground formation are blocked by injecting aqueous formulations of hydrophobically associating copolymers into the formation.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: July 1, 2014
    Assignees: BASF SE, BASF Canada
    Inventors: Roland Reichenbach-Klinke, Andrea Aβmann, Björn Langlotz, Christian Spindler, Russell Giesbrecht
  • PROCESS FOR PRODUCING MINERAL OIL FROM UNDERGROUND FORMATIONS
    Publication number: 20120255731
    Abstract: The present invention relates to a process for producing mineral oil from underground formations, wherein, in one process step, permeable regions of the underground formation are blocked by injecting aqueous formulations of hydrophobically associating copolymers into the formation.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 11, 2012
    Applicants: BASF CANADA, INC., BASF SE
    Inventors: Roland Reichenbach-Klinke, Andrea Aßmann, Björn Langlotz, Christian Spindler, Russell Giesbrecht