Carbon Energy
OTCMKTS:CRBOCarbon Energy Corporation, an independent oil and natural gas company, engages in the acquisition, exploration, development, and production of oil, natural gas, and natural gas liquids properties in the United States. It focuses on conventional and unconventional reservoirs, including shale, tight sand, and coalbed methane located in the Appalachian, Illinois, and Ventura Basins. It owns working interests and royalty interests in wells located in California, Illinois, Indiana, Kentucky, Ohio, Tennessee, Virginia, and West Virginia, as well as had leasehold positions. The company was formerly known as Carbon Natural Gas Company and changed its name to Carbon Energy Corporation in June 2018. Carbon Energy Corporation was founded in 2007 and is based in Denver, Colorado.
GulfSlope Energy
OTCMKTS:GSPEGulfSlope Energy, Inc. operates as an independent oil and natural gas exploration company primarily in the Gulf of Mexico federal waters offshore Louisiana, the United States. It has leased one federal outer continental shelf block and has licensed 2.2 million acres of three-dimensional seismic data in its area of concentration. The company was formerly known as Plan A Promotions, Inc. and changed its name to GulfSlope Energy, Inc. in April 2012. GulfSlope Energy, Inc. was incorporated in 2003 and is headquartered in Houston, Texas.
InPlay Oil
OTCMKTS:IPOOFInPlay Oil Corp. engages in the acquisition, exploration, development, and production of petroleum and natural gas properties in Canada. The company produces and sells crude oil, natural gas, and natural gas liquids. It focuses on light oil asset base located in West Central, Alberta. InPlay Oil Corp. is headquartered in Calgary, Canada.
Pengrowth Energy
OTCMKTS:PGHEFPengrowth Energy Corporation, a resource company, explores for, develops, and produces oil and natural gas assets in Alberta, British Columbia, Saskatchewan, and Nova Scotia provinces in Canada. The company explores for crude oil, bitumen, natural gas, shale gas, and natural gas liquids. Its principal producing properties are the Lindbergh thermal property covering an area of 20,800 net acres located in Alberta; and Groundbirch property totaling an area of 12,536 net acres located to the south west of Fort St. John, British Columbia. As of December 31, 2018, the company had 269 net producing oil and natural gas wells; and 586 net non-producing wells, as well as total proved plus probable reserves of 446.6 millions of barrels of oil equivalent. Pengrowth Energy Corporation was founded in 1988 and is headquartered in Calgary, Canada.
Ultra Petroleum
NASDAQ:UPLUltra Petroleum Corp., an independent oil and gas company, engages in the acquisition, exploration, development, operation, and production of oil and natural gas properties. Its principal business activities are developing its natural gas reserves in the Green River Basin of southwest Wyomingthe Pinedale and Jonah fields. As of December 31, 2018, the company owned interests in approximately 114,000 gross acres in Wyoming. The company was founded in 1979 and is headquartered in Englewood, Colorado.