Patents by Inventor John M. Stafford

John M. Stafford 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).

  • Apparatus and Method for Underbalanced Drilling and Completion of a Hydrocarbon Reservoir
    Publication number: 20160053542
    Abstract: A system and method for underbalanced drilling and completion of a hydrocarbon reservoir is disclosed. The system prevents formation damage by using a solids-free, non-wetting phase drilling fluid while maintaining underbalanced conditions throughout the entire drilling and completion phase of the operation. By preventing formation damage, this system provides an alternative or supplement to hydraulic fracking.
    Type: Application
    Filed: August 20, 2015
    Publication date: February 25, 2016
    Inventor: John M. Stafford