ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,230, issued on June 3, was assigned to Halliburton Energy Services Inc. (Houston).

"Designing fluids to reduce channeling at an interface" was invented by K V V N Krishna Babu Yerubandi (Houston), Anoop Sheshrao Jogdand (Pune, India), John Paul Bir Singh (Kingwood, Texas) and Siva Rama Krishna Jandhyala (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques of the present disclosure relate to designing a fluid. A method comprises receiving at least one known parameter for a fluid design; receiving at least one constraint for the fluid design; estimating at least one unknown parameter for the fluid design; calculating displacement effi...