Patents by Inventor Gaston W. Curtis

Gaston W. Curtis 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).

  • Publication number: 20150072901
    Abstract: A lost circulation additive including a guar chaff material. The method of forming a lost circulation fluid includes contacting the lost circulation additive with a base fluid. The method for treating a formation including injecting the loss circulation fluid into a wellbore.
    Type: Application
    Filed: September 4, 2014
    Publication date: March 12, 2015
    Applicant: CLEARWATER INTERNATIONAL LLC
    Inventors: Mathew M. Samuel, Gaston W. Curtis, Shawn Lu