PT Pertamina EP (PEP) is engaged in managing the upstream oil and gas production through a more manageable exploration and exploitation activities. Adding to that, PEP has been undertaking other supporting businesses, which have been intended to back up the main business directly or indirectly.Presently, Pertamina EP production level for oil is around 100,000 throusand barrel oil per day (BOPD) and around 1,016 million standard cubic feet per day (MMSCFD) for gas.Pertamina EP Working Areas of 113.613,90 km2 were once largely PT Pertamina (Persero)'s Oil and Gas Mining Authority Zone. The working areas are managed through own operation and partnership cooperation.Pertamina EP Working Areas consist of five assets. The operation of those assets comprise 21 Field Areas, namely Rantau, Pangkalan Susu, Lirik, Jambi and Ramba in Asset 1, Prabumulih, Adera, Limau and Pendopo in Asset 2, Tanjung, Subang and Jatibarang in Asset 3, Cepu, Poleng, Donggi Matindok and Papua in Asset 4 as well as Sangatta, Sangasanga, Bunyu, Tarakan and Tanjung in Asset 5.Beside the management of working areas as stated earlier, other business pattern is management through projects, such as Pondok Makmur Development Project in West Java, Paku Gajah Development Project in South Sumatera, Jawa Gas Development Project in Central Java, and Matindok Gas Development Project in Central Sulawesi.