Patents by Inventor Danny F. Sullivan

Danny F. Sullivan 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).

  • Ported sub treatment system
    Publication number: 20020185277
    Abstract: A ported sub treatment system in which well treatment materials are pumped into an uncased portion of a well through a pipe having a number of holes at specific locations along its length such that these materials are able to be distributed as desired by the operator, through these holes, along the length of the well. The treatment system is also able to provide sufficient pressure such that treatment materials are able to penetrate or fracture the rock surrounding the well, if necessary.
    Type: Application
    Filed: July 16, 2001
    Publication date: December 12, 2002
    Inventors: Scott D. Hall, Cal Crawley, Danny F. Sullivan, Patrick D. Ellis, Glen M. Kniffin
  • Ported sub treatment system
    Patent number: 6286600
    Abstract: A ported sub treatment system in which well treatment materials are pumped into an uncased portion of a well through a jointed tubing string having a number of holes at specific locations along its length such that these materials are able to be distributed as desired by the operator, through these holes, along the length of the well. The treatment system is also able to provide sufficient pressure such that treatment materials are able to penetrate or fracture the rock surrounding the well, if necessary.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: September 11, 2001
    Assignee: Texaco Inc.
    Inventors: Scott D. Hall, Cal Crawley, Danny F. Sullivan, Patrick D. Ellis, Glen M. Kniffin