US Patent Issued to ExxonMobil Technology and Engineering on June 23 for "Methods for performing refracturing operations using coke proppant particles" (Texas Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,624, issued on June 23, was assigned to ExxonMobil Technology and Engineering Co. (Spring, Texas).

"Methods for performing refracturing operations using coke proppant particles" was invented by Robert M. Shirley (The Woodlands, Texas), James S. Brown (Sugar Land, Texas), P. Matthew Spiecker (Manvel, Texas), Mohan G. Kulkarni (The Woodlands, Texas), Timothy G. Benish (Spring, Texas) and Roman Galchenko (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing a refracturing operation using coke proppant particles comprises refracturing a subterranean formation that has been previously hydraulically fractured with respect to a hy...