US Patent Issued to Schlumberger Technology on March 3 for "Wellbore fluids including emulsifiers, and related methods" (British, American Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,609, issued on March 3, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Wellbore fluids including emulsifiers, and related methods" was invented by Dimitri Khramov (Katy, Texas) and Evgeny Barmatov (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore fluid includes an oleaginous base fluid, and an emulsifier including a reaction product of an amide and a sultone. The amide may include a bis-amide, an imidazoline-amide, or a mixture including the bis-amide and the imidazoline-amide. The bis-amide may include a reaction product of one or more fatty acids and one or more sultones. The imidazoline-amide...