Patents by Inventor R. Roling

R. Roling 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).

  • Non-seize material attachment for a drill slip system
    Publication number: 20030102133
    Abstract: An oil or gas well slip system is provided having a slip bowl with an interactive contact surface and a slip assembly having a mating interactive contact surface for slidable engagement with the slip bowl interactive contact surface, wherein the slip bowl and the slip assembly are each comprised of a first material. A second material is attached to the interactive contact surface of either the slip bowl or the slip assembly, wherein the second material is compositionally different from the first material to prevent cold welding between the slip bowl and the slip assembly and wherein the second material has little or no tendency to dissolve into the atomic structure of the first material.
    Type: Application
    Filed: October 4, 2002
    Publication date: June 5, 2003
    Inventors: J.W.H. Van Rijzingen, R. Roling, David B. Mason