Celtic Exploration Ltd. (Celtic) is an oil and natural gas exploration, development and production company based in Calgary, Alberta, Canada. The Company�s operations are focused in Western Canada, primarily in Alberta. Celtic focuses on three natural gas areas, which includes the Montney at Resthaven and the Duvernay at Kaybob (both in Alberta), and the Doig at Inga in British Columbia. As of December 31, 2011, the Company owned 100,800 net acres of undeveloped Duvernay rights in the greater Kaybob area. As at December 31, 2011 Celtic owned 689,893 net acres of undeveloped land. Celtic holds an average 87% working interest in its undeveloped lands. During the year ended December 31, 2011 Celtic drilled 58 (40.1 net) wells. During 2011, it drilled a total of 148,977 net meters. On November 30, 2011, the Company acquired natural gas assets at Grande Cache, Alberta. In February 2013, the Company was acquired by a subsidiary of ExxonMobil Canada Ltd.