ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,307, issued on Aug. 26, was assigned to SCIDEV ENERGY SERVICES INC. (Houston).

"Methods and systems associated with improved estimated ultimate recovery (EUR) additive through proppant packs" was invented by Shawn Lu (Katy, Texas) and Kevin Wilbur Smith (Bellaire, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chemical compositional to be pumped throughout the stimulation job, which includes while pumping proppant. The surfactant within the chemical composition causes the chemistry to adhere to the proppant, and the surfactant should be added into the stimulation job while the proppant is being pumped because the proppant is water-wet and fr...