Tengasco, Inc. is engaged in the business of exploration for and production of oil and natural gas. The Company's primary area of oil exploration and production is in Kansas. The Company's wholly owned subsidiary, Manufactured Methane Corporation (MMC) operates treatment and delivery facilities in Church Hill, Tennessee for the extraction of methane gas from a landfill for eventual sale as natural gas and for the generation of electricity. The principal markets for the Company's crude oil are local refining companies. The crude oil produced by the Company in Kansas is sold at or near the wells to Coffeyville Resources Refining and Marketing, LLC (Coffeyville Refining) in Kansas City, Kansas and to National Cooperative Refinery Association (NCRA) in McPherson, Kansas. Its operated properties in Kansas are located in central Kansas and include approximately 196 producing oil wells, 16 shut-in wells and 37 active disposal wells (the Kansas Properties).