But the volume of oil transmission to Ukrainian refineries has increased.
Earlier, the plant received raw materials through the Odessa Sea Port.
Qatar inked a $550 million deal to buy a stake and expand a Midland pipeline company focused on moving crude oil in the Permain Basin of West Texas and southeastern New Mexico.
Belarus cleared the last section of the pipeline.
The company acquired a competitor, Anadarko Petroleum.
The tariff will be increased by 3.7% from September 1
Corresponding announcements about the competition were published in the government media Uryadovy Kurier on August 3.
Fields are located in Kharkiv, Poltava and Luhansk regions.
Ukrtransnafta received a part of compensation for oil with a high content of organochlorine.