 In the future, the main supply source will be Kashagan field.The pipeline is used also for the transportation of oil from Russia's western Siberia by connection with the Omsk (Russia)–Pavlodar (Kazakhstan)–Shymkent–Türkmenabat (Turkmenistan) pipeline in Atasu oil terminal.Oil is transported through this pipeline by Russian companies TNK-BP and Gazprom Neft.