Patents by Inventor S. Dwight Strickland

S. Dwight Strickland 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).

  • Methods for minimizing the amount of graphite particles used during drilling operations
    Patent number: 7977281
    Abstract: Methods for minimizing the amount of graphite particles used during drilling operations, the methods comprise performing drilling operations using a drilling fluid system having effective rheological and fluid loss control properties, the drilling fluid system comprising a mixture of graphite particles having an effective particle size distribution.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: July 12, 2011
    Assignee: Baker Hughes Incorporated
    Inventors: William S. Halliday, David W. Schwertner, S. Dwight Strickland
  • METHODS FOR MINIMIZING THE AMOUNT OF GRAPHITE PARTICLES USED DURING DRILLING OPERATIONS
    Publication number: 20090258800
    Abstract: Methods for minimizing the amount of graphite particles used during drilling operations
    Type: Application
    Filed: March 31, 2009
    Publication date: October 15, 2009
    Inventors: William S. Halliday, David W. Schwertner, S. Dwight Strickland
  • Drilling fluids comprising sized graphite particles
    Patent number: 7087555
    Abstract: Drilling fluid systems, graphite particle mixtures, and methods for use thereof including: (a) drilling fluid systems having effective rheology and lubricity properties comprising a suspension of graphite particles having a particle size distribution sufficient to permit greater than 65 wt. % of the graphite particles to pass through a shaker screen having a mesh size of about 80 or less; and (b) spotting fluids having effective rheology comprising graphite particles having an average particle size of 120 mesh or greater.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: August 8, 2006
    Assignee: Baker Hughes Incorporated
    Inventors: William S. Halliday, David W. Schwertner, S. Dwight Strickland
  • Drilling fluids comprising sized graphite particles
    Publication number: 20040224852
    Abstract: Drilling fluid systems, graphite particle mixtures, and methods for use thereof including: (a) drilling fluid systems having effective rheology and lubricity properties comprising a suspension of graphite particles having a particle size distribution sufficient to permit greater than 65 wt. % of the graphite particles to pass through a shaker screen having a mesh size of about 80 or less; and (b) spotting fluids having effective rheology comprising graphite particles having an average particle size of 120 mesh or greater.
    Type: Application
    Filed: April 6, 2004
    Publication date: November 11, 2004
    Applicant: Baker Hughes Incorporated
    Inventors: William S. Halliday, David W. Schwertner, S. Dwight Strickland