Oasis’s proved reserves
At the end of 2015, Oasis Petroleum’s (OAS) proved reserves were ~218 million boe (barrels of oil equivalent), as compared to 272 million boe at the end of 2014.
Oasis’s reserve replacement ratio
Oasis’s reserve replacement ratio in 2015 was -192%, as compared to ~365% in 2014. Reserve replacement ratio indicates the number of barrels of oil equivalent a company adds to its reserve base compared to the amount of oil and gas it produces.
By comparison, upstream peers Newfield Exploration (NFX), Hess (HES), and Apache (APA) had reserve replacement ratios of -141%, -148%, and -308%, respectively, in 2015. Notably, all these companies make up 3.6% of the Energy Select Sector SPDR ETF (XLE).
Keep reading for a look at Oasis’s crude oil production numbers.