SUBSURFACE is a single-blind peer-reviewed journal managed and published by Faculty of Energy Exploration and Production (Fakultas Teknologi Eksplorasi dan Produksi - FTEP), Universitas Pertamina. It focuses on publication of research regarding upstream petroleum energy, geothermal energy, and mineral resources for renewable energy supporting devices. Scope of the journal covers fields of geophysics, geology, petroleum engineering, as well as information and technology related to upstream business of energy resources.