Patents by Inventor David Brian Mason

David Brian Mason 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: 8356674
    Abstract: Generally, the present disclosure is directed to wellbore tubular running systems and methods of their use. In one illustrative embodiment, a tubular running system is disclosed that includes, among other things, a torque frame, a main shaft extending through a top opening of the torque frame and rotatable by rotation apparatus, slip setting apparatus connected to the torque frame and including a levelling beam and a plurality of slip assemblies, each of the slip assemblies connected independently and pivotably to the levelling beam, and movement apparatus connected to the levelling beam for moving the slip assemblies in unison with respect to a tubular projecting into the torque frame.
    Type: Grant
    Filed: April 26, 2008
    Date of Patent: January 22, 2013
    Assignee: National Oilwell Varco, L.P.
    Inventors: Richard Lee Murray, Pieter Dekker, Keith Mitchell Wien, Neils De Keijzer, Antonius Dimphena Maria Krijnen, Rene Mulder, Johannes Wilhelmus Henricus Van Rijzingen, David Cardellini, David Brian Mason
  • Publication number: 20100193198
    Abstract: A tubular running system including a torque frame, a main shaft extending through a top opening of the torque frame and rotatable by rotation apparatus, slip setting apparatus connected to the torque frame and including a levelling beam and a plurality of slip assemblies, each of the slip assemblies connected independently and pivotably to the levelling beam, and movement apparatus connected to the levelling beam for moving the slip assemblies in unison with respect to a tubular projecting into the torque frame. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72 (b).
    Type: Application
    Filed: April 26, 2008
    Publication date: August 5, 2010
    Inventors: Richard Lee Murray, Pieter Dekker, Keith Mitchell Wien, Neils De Keijzer, Antonius Dimphena Maria Krijnen, Rene Mulder, Johannes Wilhelmus Henricus Van Rijzingen, David Cardellini, David Brian Mason
  • Publication number: 20090101361
    Abstract: A tubular running system including a running tool system for running wellbore tubulars, a tubular handling system connected to the running tool system, a drive system connected to the running tool system, and the tubular handling system having two spaced-apart extensible arms movable toward and away from the running tool system, in one aspect with an elevator connected to the arms for releasably engaging a tubular to be moved with respect to the running tool system.
    Type: Application
    Filed: October 22, 2008
    Publication date: April 23, 2009
    Inventors: David Brian Mason, Pieter Dekker, Rene Mulder, Antonius D. Krijnen