Kosmos Energy Ltd. engages in the exploration, development, and production of oil and gas. The company is headquartered in Dallas, Texas and currently employs 236 full-time employees. The company went IPO on 2011-05-11. The firm's key assets include production offshore Ghana, Equatorial Guinea and the United States Gulf of Mexico, as well as gas projects offshore Mauritania and Senegal. The company operates through four segments: Ghana, Equatorial Guinea, Mauritania/Senegal and the U.S. Gulf of Mexico. The West Cape Three Points (WCTP) Block and Deepwater Tano (DT) Block are located within the Tano Basin, offshore Ghana. This basin contains a petroleum system. The EG-21, EG-24, and S blocks are located in the southern part of the Gulf of Guinea, in the Republic of Equatorial Guinea, west of the Rio Muni petroleum province. The company has approximately 7,500 square kilometers of 3D seismic over the blocks. The C8 and BirAllah blocks are located on the western margin of the Mauritania Salt Basin offshore Mauritania and range in water depths from 100 to 3,000 meters.