ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,674, issued on May 6, was assigned to Halliburton Energy Services Inc. (Houston).
"Friction reducers for dissolved solids tolerance" was invented by Nicole Colleen Mast Hale (Houston), Denise Nicole Benoit (Houston), I Wayan Rakananda Saputra (Houston) and Francisco Xavier Ruiz II (Conroe, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variety of methods and compositions are disclosed, including, in one embodiment, A friction reducer comprising: a continuous phase comprising a base oil and a secondary oil, wherein the secondary oil is different than the base oil; a discontinuous phase dispersed in the continuation phase, wherein the disconti...