BRIEF-Abraxas says proved reserves grew 1.5 mmboe to 44.7 mmboe By: Reuters: Company News February 15, 2017 at 19:30 PM EST * Proved reserves grew 1.5 mmboe to 44.7 mmboe for year ending Dec. 31, 2016 Read More >> Related Stocks: Abraxas Petro Corp