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Techniques for enhanced oil recovery using heated water vapor and dimethyl ether
Background The field of oil recovery, particularly enhanced oil recovery (EOR), is crucial for maximizing the extraction of oil from existing reservoirs. Traditional methods often leave a significant portion of oil trapped underground, making it economically unfeasible to extract. With global energy demands on the rise and conventional oil reserves...
Published: 12/3/2025   |   Inventor(s): Ryosuke Okuno
Keywords(s):  
Category(s): Physical sciences > Energy > Oil & gas > Enhanced oil recovery, Physical sciences > Energy > Oil & gas > Upstream oil & gas
Carboxylates and their derivatives for improved hydrocarbon recovery and geological storage of hydrogen and carbon dioxide
Problem Water injection, also called “water flooding,” is the most widely used method to increase production from oil reservoirs. It usually follows the primary produc­tion stage, in which the oil production relies on the reservoir’s natural energy. One of the main factors that affect the efficiency of water flooding is the wettability...
Published: 11/25/2025   |   Inventor(s): Ryosuke Okuno, Gayan Abeykoon
Keywords(s):  
Category(s): Physical sciences > Energy > Oil & gas > Enhanced oil recovery, Physical sciences > Environmental & sustainable solutions > Carbon capture, utilization & storage