Patents by Inventor Clarence L. Dulaney

Clarence L. Dulaney 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).

  • Solvent systems for use in oil and gas wells
    Patent number: 5152907
    Abstract: There is provided a solvent system for use in oil wells and gas wells, which solvent system comprises a hydrocarbon solvent, such as a mixture of xylenes, a substantially water-soluble alcohol, such as a mixture of methanol and a propanol, and a substantially oil-soluble alcohol, such as a C.sub.8 -alcohol or C.sub.8 -alcohol mixture.The system can also contain a non-ionic dispersant, such as an oxyalkylated alcohol.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: October 6, 1992
    Assignee: Amoco Corporation
    Inventors: Clarence L. Dulaney, Michael C. Lysandrou
  • System for acidizing oil and gas wells
    Patent number: 4696752
    Abstract: A composition comprising methanol and ethanol, a propanol, or tertiary-butanol, or any combination thereof and a mixture of C.sub.6 -alcohols through C.sub.10 -alcohols is suitable for use in acidizing oil and gas wells.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: September 29, 1987
    Assignee: Standard Oil Company
    Inventors: Michael C. Lysandrou, Clarence L. Dulaney