ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,621, issued on June 23, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Compositions and methods of use of viscoelastic surfactants and nanoparticles for high temperature water conformance applications" was invented by Ahmed Rabie (Sugar Land, Texas), Alvinda Sri Hanamertani (Sugar Land, Texas) and Christopher Daeffler (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A viscoelastic fluid composition includes a viscoelastic surfactant composition ranging from about 0.1 wt. % to about 10 wt. % based on a total wt. % of the viscoelastic fluid composition. The viscoelastic fluid composition further includes crystalli...