US Patent Issued to ExxonMobil Technology and Engineering on July 14 for "Continuous carbon dioxide injection during zipper hydraulic fracturing operations" (Texas Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,432, issued on July 14, was assigned to ExxonMobil Technology and Engineering Co. (Spring, Texas).

"Continuous carbon dioxide injection during zipper hydraulic fracturing operations" was invented by Kendal K. Decker (Spring, Texas), Xiao Jin (Kingwood, Texas) and Fuping Zhou (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for hydraulically fracturing a plurality of wells from a pad, includes (i) for each of the plurality of wells, alternating between perforation, injection of CO2, and injection proppant-carrying fracturing fluid such that each stage of each well is hydraulically fractured in sequence and (ii) maintaining c...