KazTransOil JSC is the national operator of the main oil pipeline. It is part of the JSC NC «KazMunayGas» group. KazTransOil JSC owns a diversified network of main oil pipelines 5.4 thousand km in length. «KazTransOil» JSC was included in the Republican section of State register of subjects of natural monopolies. «KazTransOil» JSC is an owner of the largest network of main oil pipelines and waterlines in the Republic of Kazakhstan, total length of which amounts to 5 376,625 km of oil pipelines (with account of 71,7 km of «Kenkiyak - Orsk» oil pipeline, which passes through the territory of the Russian Federation and which is on the balance sheet of Representation of «KazTransOil» in Samara) and 1 975,1 km of water pipeline. Oil transportation via the main oil pipelines is ensured by 37 oil pumping stations, 64 oil preheaters, tank farm for oil storage of oil with overall volume 1 414 200 cub. m. Oil transshipment is performed by 4 loading-unloading railroad racks and oil loading facilities installed on 5 piers of oil loading terminal of Aktau Sea port. Water is supplied by «Kigach» main treatment plant, 4 pumping stations and «Kulsary» water treatment plant using the water tanks with total capacity of 155,2 thousand m3. In accordance with the Government of the Republic of Kazakhstan Decree #1273 dated October 8, 2012, «KazTransOil» JSC is appointed as the National Operator for Oil Pipelines. The activities of the National Operator are aimed at the development of oil pipeline system in Kazakhstan and provision of their effective, reliable and safe operation.