Seismic sources generate controlled energy for reflection and refraction surveys. Sources can provide single pulses or continuous sweeps through media. Signals are detected by geophones or hydrophones at known locations
Built in Dubai for Polarcus as Polarcus Samur in 2011. Purchased by TPAO for US$130 million in 2013. Renamed Barbaros Hayreddin Paşa in 2013
Petroleum forms from organic matter under high pressure and heat. Process starts with dead plants and animals on ocean floor. Source rocks include shale, limestone, and sandstone. Petroleum migrates into porous reservoirs with traps
Located in western Pacific Ocean at southern end of Mariana Trench. Maximum depth measured at 10,920 ± 10 m (35,827 ± 33 ft). Depth measurements range from 10,903 to 11,009 m (35,771 to 36,119 ft)