Patents by Inventor Dolphus C. Green, III

Dolphus C. Green, III 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).

  • CASING ANNULUS TESTER FOR DIAGNOSTICS AND TESTING OF A WELLBORE
    Publication number: 20120273217
    Abstract: Embodiments of the present invention generally relate to a casing tester for plugging and abandoning a wellbore. In one embodiment, a method of testing an annulus defined between a first tubular string and a second tubular string includes engaging a first annular packer with an outer surface of the first tubular string and engaging a second annular packer with an outer surface of the second tubular string. The tubular strings extend into a wellbore. The method further includes injecting a test fluid between the packers until a predetermined pressure is exerted on the annulus.
    Type: Application
    Filed: July 11, 2012
    Publication date: November 1, 2012
    Inventors: Corey Eugene Hoffman, Dolphus C. Green, III
  • Casing annulus tester for diagnostics and testing of a wellbore
    Patent number: 8240387
    Abstract: Embodiments of the present invention generally relate to a casing tester for plugging and abandoning a wellbore. In one embodiment, a method of testing an annulus defined between a first tubular string and a second tubular string includes engaging a first annular packer with an outer surface of the first tubular string and engaging a second annular packer with an outer surface of the second tubular string. The tubular strings extend into a wellbore. The method further includes injecting a test fluid between the packers until a predetermined pressure is exerted on the annulus.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: August 14, 2012
    Assignee: Wild Well Control, Inc.
    Inventors: Corey Eugene Hoffman, Dolphus C. Green, III
  • CASING ANNULUS TESTER FOR DIAGNOSTICS AND TESTING OF A WELLBORE
    Publication number: 20100116504
    Abstract: Embodiments of the present invention generally relate to a casing tester for plugging and abandoning a wellbore. In one embodiment, a method of testing an annulus defined between a first tubular string and a second tubular string includes engaging a first annular packer with an outer surface of the first tubular string and engaging a second annular packer with an outer surface of the second tubular string. The tubular strings extend into a wellbore. The method further includes injecting a test fluid between the packers until a predetermined pressure is exerted on the annulus.
    Type: Application
    Filed: November 11, 2008
    Publication date: May 13, 2010
    Inventors: Corey Eugene Hoffman, Dolphus C. Green, III