Oramas split the 2010 season between the Single-A Fort Wayne TinCaps and the High-A Lake Elsinore Storm, accumulating a 7–4 record and 2.37 ERA in 29 appearances.
The following year, Oramas split the season between the Double-A San Antonio Missions and the Triple-A Tucson Padres, posting a cumulative 10–6 record and 3.49 ERA with 106 strikeouts in 108.1 innings pitched.
[7] He split the 2013 season between San Antonio and rehabbing with the AZL Padres, registering a 3–2 record and 2.87 ERA in 14 appearances.
[8] For the 2014 season, Oramas played for San Antonio and the Triple-A El Paso Chihuahuas, pitching to a 10–7 record and 4.75 ERA with 116 strikeouts in 136.1 innings of work across 27 games between the two teams.
[13] On January 10, 2018, Oramas was traded to the Guerreros de Oaxaca of the Mexican League in exchange for Sergio Valenzuela.
Five days later, on January 15, Oramas was traded to the Olmecas de Tabasco of the Mexican League in exchange for Salvador Valdez.