Patents by Inventor R. Benton Nickles

R. Benton Nickles 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).

  • Dog locking sleeve
    Patent number: 4421138
    Abstract: A retrievable plug having a dog locking sleeve which has a specially contoured outer surface to more closely fit within the packer mandrel and increased axial length to limit movement of the dog locking sleeve within the plug thereby eliminating binding of the dog locking sleeve within the plug mandrel during actuation of the plug body for the removal of the plug body from the member in which it is installed.
    Type: Grant
    Filed: July 23, 1982
    Date of Patent: December 20, 1983
    Assignee: Halliburton Company
    Inventor: R. Benton Nickles
  • Plug for offshore platforms and the like
    Patent number: 4421139
    Abstract: An improved reusable plug for sealing hollow cylindrical members, such as the jacket legs, pile sleeves, piling, conductor pipes or other similar members of offshore structures, wherein the plug includes an improved packer mandrel and improved dog locking sleeve assembly.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: December 20, 1983
    Assignee: Halliburton Company
    Inventor: R. Benton Nickles
  • Dog locking sleeve
    Patent number: 4412559
    Abstract: A retrievable plug having a dog locking sleeve which has extensions thereon to increase the effective axial length thereof to eliminate binding of the dog locking sleeve within the plug mandrel during actuation of the plug body for the removal of the plug body from the member in which it is installed.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: November 1, 1983
    Assignee: Halliburton Company
    Inventors: Steven G. Streich, R. Benton Nickles, Harold O. Treece
  • Conductor pipe plug and method of installing conductor pipe
    Patent number: 4322181
    Abstract: A plug for sealing the end of conductor pipe of off-shore platforms comprising a cylindrical housing filled with a core of cementitious material, the housing being fixed to the end of the conductor pipe. A method of installing the conductor pipe is also disclosed.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: March 30, 1982
    Assignee: Halliburton Company
    Inventors: Steven G. Streich, R. Benton Nickles, Jr.