US Patent Issued to ENERGY SOLUTIONS (US) on March 11 for "Method for controlling production of excessive water and aqueous fluids in oil and gas wells" (Singaporean, American, Chinese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,160, issued on March 11, was assigned to ENERGY SOLUTIONS (US) LLC (Princeton, N.J.).

"Method for controlling production of excessive water and aqueous fluids in oil and gas wells" was invented by Chee Fei Chin (Singapore), Zhihua Zhang (Singapore), Zhenxing Cheng (Shanghai), Ahmed Rabie (Willingboro, N.J.) and Hoang Van Le (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are methods for modifying the permeability of subterranean formations for the purposes of selectively reducing excessive production of water and aqueous fluids in oil and gas wells, wherein the methods utilize an emulsion containing a copolymer, which is typi...