NMR-Spectrometric Determination of the Fragmented Oil Composition from the Karazhanbas and Zhangurshi Oil Deposits

  • D. U. Bodykov Institute of Combustion Problems, Bogenbay Batyr str. 172, 050012 Almaty, Kazakhstan
  • T. M. Seilkhanov Kokshetau State University. Sh. Ualikhanova, Abay str. 76, Kokshetau, Kazakhstan
  • M. Nazhipkyzy Al-Farabi Kazakh National University, 71 Al-Farabi ave., 050040, Almaty, Kazakhstan; Institute of Combustion Problems, Bogenbay batyr str, 172, 050012, Almaty, Kazakhstan
  • A. S. Toylybayev Satpayev University, Satpaev str. 22а, 050013, Almaty, Kazakhstan
  • R. Salakhov Institute of Combustion Problems, Bogenbay Batyr str. 172, 050012 Almaty, Kazakhstan


The methods of 1H, 13C NMR-spectroscopy were used to study the fragmentary compositions of oil from the Karazhanbas, Zhangurshi deposits (Kazakhstan) and heavy oil residues obtained before and after the electrohydraulic effect of water hammer after topping a light fraction of oil products. Their fragmentary composition were determined by the value of integrated intensities of 1H, 13C NMR signals of the oil under study. The obtained results have shown that the composition of oil samples understudy includes terminal CH3-groups of long alkyl chains having a value of 0.87 ppm. The presence of long alkyl chains of oil components imparts a high viscosity and bituminous consistency to the latter. The content of aromatic protons according to the integrated intensities of 1H NMR in both oil samples does not exceed 2.08%; but there are no aromatic nuclei by the integral intensities of carbon atoms at all. The low content of protons of Hα-type in hydrocarbon crude (5.2–5.3%) indicates a low content of aromatic and carbonyl carbons as well as heteroatoms in the studied samples. The content of the greater proportion of protons of the Hγ-type in Karazhanbas oil (33.0%) compared to the Zhangurshi oil (23.8%) indicates a greater length of aliphatic hydrocarbons of the latter and its increased viscosity.


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How to Cite
D. Bodykov, T. Seilkhanov, M. Nazhipkyzy, A. Toylybayev, and R. Salakhov, “NMR-Spectrometric Determination of the Fragmented Oil Composition from the Karazhanbas and Zhangurshi Oil Deposits”, Eurasian Chem.-Technol. J., vol. 20, no. 3, pp. 229-233, Sep. 2018.