ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,869, issued on June 3, was assigned to SOLUGEN INC. (Houston).

"Compositions and methods for reducing injection pressure in resource recovery operations" was invented by Thomas A. Swanson (Houston), Abdul Siraj (Sugar Land, Texas), Jun Su An (Houston), Paul Schuber (Sugar Land, Texas) and Jason Helander (Richmond, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of reducing injection pressure during a hydrocarbon resource recovery operation, the method comprising: introducing a treatment fluid comprising a biochelant and a solvent for a time period sufficient to reduce an injection pressure of the injection well by equal to or greater th...