Patents by Inventor Gilbert Nance

Gilbert Nance 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).

  • Drilling riser assemblies
    Patent number: 10301886
    Abstract: A riser assembly is disclosed comprising: a main tube; two flanges coupled to the main tube, each flange comprising: a central lumen configured to be in fluid communication with the main tube; at least one choke/kill hole configured to receive a choke/kill line; at least one booster hole configured to receive a booster line; and a plurality of bolt holes, each bolt hole comprising a tapered portion and a dowel slot, where each bolt hole is configured to receive a nut, a bolt, and a dowel. In certain embodiments, riser strings comprising at least two riser assemblies coupled to each other are disclosed.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: May 28, 2019
    Assignee: AMERIFORGE GROUP INC.
    Inventors: Stephen J. Walker, Gilbert Nance, Randy Arthion
  • DRILLING RISER ASSEMBLIES
    Publication number: 20160032662
    Abstract: A riser assembly is disclosed comprising: a main tube; two flanges coupled to the main tube, each flange comprising: central lumen configured to be in fluid communication with the main tube; at least one choke/kill hole configured to receive a choke/kill line; at least one booster hole configured to receive a booster line; and a plurality of bolt holes, each bolt hole comprising a tapered portion and a dowel slot, where each bolt hole is configured to receive a nut, a bolt, and a dowel. In certain embodiments, riser strings comprising at least two riser assemblies coupled to each other are disclosed.
    Type: Application
    Filed: March 12, 2014
    Publication date: February 4, 2016
    Inventors: Stephen J. Walker, Gilbert Nance, Randy Arthion