Patent Number: 8,511,384

Title: Methods for producing oil and/or gas

Abstract: A method for producing oil and/or gas comprising a method for producing oil from an underground formation comprising injecting an enhanced oil recovery formulation and a gas into a first well in the formation; forming a mixture comprising the enhanced oil recovery formulation and the oil in the formation; forming a gas cap with the injected gas; forcing the formulation and oil mixture towards a second well in the formation; and producing the formulation and oil mixture from the second well.

Inventors: Valdez; Raul (Bellaire, TX)

Assignee: Shell Oil Company

International Classification: E21B 43/22 (20060101)

Expiration Date: 2021-08-20 0:00:00