US Patent Issued to Petroleo Brasileiro S.A.-Petrobras on April 14 for "Microemulsion composition to increase injectivity of water produced in reservoirs" (Brazilian Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,898, issued on April 14, was assigned to Petroleo Brasileiro S.A.-Petrobras (Rio de Janeiro, Brazil).

"Microemulsion composition to increase injectivity of water produced in reservoirs" was invented by Marcia Cristina Khalil De Oliveira (Rio de Janeiro, Brazil), Igor Domingos Rodrigues (Rio de Janeiro, Brazil), Rafaella Magliano Balbi De Faria (Rio de Janeiro, Brazil), Carmen Lucia Da Silva Teixeira (Rio de Janeiro, Brazil), Daniele Fraga Santana Miranda (Petropolis, Brazil) and Aline Machado De Azevedo Novaes (Rio de Janeiro, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention addresses to an oil-in-water microemulsion comp...