FX Energy, Inc. is an independent oil and gas exploration and production company with production, appraisal, and exploration activities in Poland. The Company operates within two segments of the oil and gas industry: the exploration and production segment in Poland and the United States, and the oilfield services segment in the United States. The Company also has oil production, oilfield service activities, and a shale acreage position in the United States. During the year ended December 31, 2013, its oil and gas production was 4.4 billion cubic feet of natural gas (12.0 million cubic feet equivalent per day). The Company concentrates its exploration operations in Poland primarily on the Rotliegend sandstones of the Permian Basin. The Company has identified a core area consisting of approximately 853,000 gross acres surrounding the long-producing 390 billion cubic feet of natural gas Radlin field.