ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,043, issued on June 30.
"Top drive method and system for oil production" was invented by Elton D. Fowler (Victoria, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are methods and systems for enhanced oil recovery (EOR). The methods and systems are especially suitable for enhancing oil recovery in bottom-water drive producing formations having a gas cap where coning of bottom water is a problem. An external gas such as natural gas is injected into the gas cap. This essentially eliminates the bottom water drive and replaces it with top gas drive. The amount of gas delivered is calculated to replace the volume of oil produced fro...