Study the rheological properties of waxy oil with modified pour point depressants for the South Turgai oil field in KazakhstanS.S. Kozhabekov, A.A. Zhubanov and Zh. ToktarbayOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 74 (2019) 28DOI: https://doi.org/10.2516/ogst/2019004