Career
He served as governor of Chihuahua from 1980 to 1985. Óscar Ornelas was also a Magistrate (associate justice) of the Supreme Tribunal of Justice of the State of Chihuahua, Director of the Faculty of Law and Rector of the Autonomous University of Chihuahua (UACh). He also founded "El Colegio de Bachilleres" at national level, the first campus its name: Oscar Ornelas, in his honor.
In 1973, he was elected mayor of the city of Chihuahua.
In 1980, he was elected to be the Governor of Chihuahua. Recently the Library of the School of Law of the Autonomous University of Chihuahua was rebaptized with the name of "Óscar Ornelas Küchle".
He is, in fact, the only lawyer to have a commemorative plaque and statue on the University facilities.