Patents by Inventor Joseph W. Kirk

Joseph W. Kirk 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: 7491682
    Abstract: A well treating composition of a composite containing a scale inhibitor adsorbed onto a water-insoluble adsorbent is useful in the control, formation and treatment of inorganic scales in a subterranean formation or wellbore. In addition, the well treating composition is useful in controlling the rate of release of scale inhibitor in the wellbore. The water-insoluble adsorbent may be activated carbon, silica particulate, precipitated silica, zeolite, diatomaceous earth, ground walnut shells, fuller's earth and organic synthetic high molecular weight water-insoluble adsorbents. The composite may be introduced into an oil or gas well with a carrier fluid.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: February 17, 2009
    Assignee: BJ Services Company
    Inventors: D. V. Satyanarayana Gupta, Joseph W. Kirk
  • Patent number: 7028776
    Abstract: Compositions and methods for the inhibition of salt formation in oil and gas wells are disclosed. In particular, nitrilotriacetamide and its salts are effective at treating existing salt formations, and in inhibiting formation of new deposits.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: April 18, 2006
    Assignee: BJ Services Company
    Inventor: Joseph W. Kirk
  • Publication number: 20030173087
    Abstract: Compositions and methods for the inhibition of salt formation in oil and gas wells are disclosed. In particular, nitrilotriacetamide and its salts are effective at treating existing salt formations, and in inhibiting formation of new deposits.
    Type: Application
    Filed: March 13, 2003
    Publication date: September 18, 2003
    Applicant: BJ SERVICES COMPANY
    Inventor: Joseph W. KIRK