Patents by Inventor Danny Rothenberger

Danny Rothenberger 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 of selectively reducing the water permeabilities of subterranean formations
    Patent number: 5181568
    Abstract: The water permeability and the production of salt water from a subterranean oil bearing formation is reduced by introducing a viscous aqueous polymer composition into the formation which will subsequently form a crosslinked gel therein, and thereafter introducing a hydrocarbon cement slurry into the formation.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: January 26, 1993
    Assignee: Halliburton Company
    Inventors: Kenneth W. McKown, Danny Rothenberger