Patents by Inventor Mirko ZATKA

Mirko ZATKA 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 PRODUCING OIL AND/OR GAS
    Publication number: 20120241150
    Abstract: A method for producing oil from an underground formation comprising providing a first well in one or more formations, the first well comprising a plurality of sections along a length of the well; providing a second well in the formation; injecting an enhanced oil recovery formulation into at least a first section and a second section of the first well and into the formation; flowing the formulation and/or oil towards the second well in one or more formations; producing the formulation and/or oil from the second well; and then modifying the injecting into the second section, while continuing the injecting into the first section.
    Type: Application
    Filed: July 22, 2011
    Publication date: September 27, 2012
    Applicant: SHELL OIL COMPANY
    Inventors: Ahmed Hamed AL YAHYAI, Felix Antonio ASCANIO MILANO, Jose Luis CHAVARRIA, Hamish Peter CLARK, Cornelis Petrus Josephus Walthera VAN KRUIJSDIJK, William H. WILLIAMS, Mirko ZATKA