US Patent Issued to Millcreek Capital Management on Aug. 11 for "Method for subsurface injection conformance improvement using micro calcium carbonate particles" (Texas Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,820, issued on Aug. 11, was assigned to Millcreek Capital Management LLC (Houston).

"Method for subsurface injection conformance improvement using micro calcium carbonate particles" was invented by Xiaochun Jin (Houston) and Quanxin Guo (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of shutting off injected fluid flow into the thief zones and of improving subsurface injection conformance using micro calcium carbonate particles includes estimating the pore size and fracture width of the thief zone, designing of a treatment program for the required calcium carbonate particle size, spectrum and concentration for plugging the pores and...