ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,808, issued on Nov. 18, was assigned to Halliburton Energy Services Inc. (Houston).
"Method to improve efficiency of hydraulic fracturing spread with electric pumps" was invented by Zhijie Sun (Houston), Tirumani Swaminathan (Houston) and Sergei Parsegov (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a pumping stage of a fracturing fleet at a wellsite with at least two electric frac pumps to increase the efficiency of the electric frac pumps comprises communicating an interim flowrate to the electric frac pumps and calculating an efficiency value from measured power from the VFD and measured flow rate, intake pressur...