The Toronto and Bogota-listed player said its proven reserves stood at 394 million barrels of oil equivalent, about 73% oil and natural gas liquids.
Probable (2P) reserves were an estimated 618 million barrels, up 20% from 2012 with 320% reserves replacement, according to Pacific Rubiales.
"We are pleased to highlight the addition of new reserves in the CPE-6 and Rio Ariari blocks which demonstrates the company is diversifying its heavy oil reserves base beyond the Rubiales Field," president Jose Francisco Arata said.
"These