ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,966, issued on Dec. 30, was assigned to PETROLEO BRASILEIRO S.A.-PETROBRAS (Rio de Janeiro, Brazil).
"Autonomous chemical treatment system and method for drilling and completion rigs" was invented by Fernando Antonio Moreira Da Silva (Rio de Janeiro, Brazil), Mario Germino Ferreira Da Silva (Rio de Janeiro, Brazil) and Valtair Marcos Cristante (Rio de Janeiro, Brazil).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an autonomous chemical treatment system and method for drilling and completion probes, so that it allows the probe to carry out chemical treatments in subsea wells, dispensing the need to use the WSSV, which...