DENVER, June 4, 2012 /PRNewswire/ -- Kodiak Oil & Gas Corp.

AUSTIN, Texas, June 4, 2012 /PRNewswire/ -- The Petroleum Extension Service (PETEX®) at The University of Texas at Austin is proud to announce a full slate of summer courses in land management

VANCOUVER, British Columbia, June 1, 2012 /PRNewswire/ -- Lexaria Corp.

SAN ANTONIO, May 31, 2012 /PRNewswire/ -- EnerJex Resources, Inc.

PLATTEVILLE, Colo., May 31, 2012 /PRNewswire/ -- Synergy Resources Corporation (NYSE MKT: SYRG), a domestic oil and gas exploration and production company focused in the Denver-Julesburg Basin