US Patent Issued to Chevron U.S.A. on Feb. 10 for "Multi-zone fracture stimulated injection well with autonomous injection regulators and protective sleeves" (Texas Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,199, issued on Feb. 10, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Multi-zone fracture stimulated injection well with autonomous injection regulators and protective sleeves" was invented by Eric Roberto Upchurch (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for implementing a stimulation and injection sequence from a wellbore can include performing a stimulation operation (e.g., fracturing) on a subterranean formation from the wellbore while a protective sleeve of a sub in a liner positioned in the wellbore is in an engaged position to isolate an injection regulator of the sub from a cavity of the sub during the sti...