Patents by Inventor Marion W. Osborne

Marion W. Osborne 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: 4957165
    Abstract: Hydroxyacetic acid condensation product is used as a fluid loss material in a well completion or workover process in which a fluid comprising a hydrolyzable aqueous gel is used. The hydroxyacetic acid condensation product degrades at formation conditions to provide hydroxyacetic acid which breaks the aqueous gel, thereby restoring full formation permeability without the need for separate addition of gel breaker.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: September 18, 1990
    Assignee: Conoco Inc.
    Inventors: Lisa A. Cantu, Marion W. Osborne, Edward F. McBride
  • Patent number: 4848467
    Abstract: Hydroxyacetic acid condensation product is used as a fluid loss material in a formation fracturing process in which a fracturing fluid comprising a hydrolyzable aqueous gel is used. The hydroxyacetic acid condensation product degrades at formation conditions to provide hydroxyacetic acid which breaks the aqueous gel, which provides restored formation permeability without the need for separate addition of gel breaker.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: July 18, 1989
    Assignees: Conoco Inc., E. I. Du Pont de Nemours and Company
    Inventors: Lisa A. Cantu, Edward F. McBride, Marion W. Osborne