ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,443, issued on Sept. 8, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Lead-free metallic barrier coatings for copper and zinc-rich surfaces of subterranean hardware and components" was invented by Manuel Marya (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments presented provide for a Lead-free metallic barrier coating. In some aspects, a metallic barrier coating for Copper and/or Zinc-rich surfaces for downhole equipment and components is provided."
The patent was filed on Aug. 16, 2023, under Application No. 18/450,515.
*For further information, including images, charts and tables, please visit: ht...