Patents by Inventor Ronald G. Bland

Ronald G. Bland 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 fluid with stabilized browning reaction anionic carbohydrate
    Patent number: 5110484
    Abstract: A fluid is provided for the drilling, workover or completion of a subterranean well comprising an aqueous base, the browning reaction product of a carbohydrate, and a cation. Inversion of non-reducing sugars is effected on selected carbohydrates, with the inversion also catalyzing the browning reaction. Inhibition of continued in-situ browning reaction is provided by the addition of a stabilizer.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: May 5, 1992
    Assignee: Baker Hughes Incorporated
    Inventors: Jim J. Sheu, Ronald G. Bland
  • Drilling fluid with browning reaction anionic carbohydrate
    Patent number: 5106517
    Abstract: A fluid is provided for the drilling, workover or completion of a subterranean well comprising an aqueous base, the browning reaction product of a carbohydrate, and a cation. Inversion of non-reducing sugars is effected on selected carbohydrates, with the invention also catalyzing the browning reaction.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: April 21, 1992
    Assignee: Baker Hughes Incorporated
    Inventors: Jim J. Sheu, Ronald G. Bland
  • Non-hydrocarbon invert emulsions for use in well drilling operations
    Patent number: 5057234
    Abstract: Brine-in-glycol emulsions are shown for use as well working fluids. The fluids have a glycol external phase and a brine internal phase. The separate phases are emulsified to create an emulsion and weighted with traditional weighting agents. The external phase is soluble or dispersible in sea water when diluted upon discharge.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: October 15, 1991
    Assignee: Baker Hughes Incorporated
    Inventors: Ronald G. Bland, Dennis K. Clapper