Literature cited
A. G. Gurbanov and B. M. Akhmedov, “Evaluating the reliability of wellhead valves,” in: Oilfield Equipment Construction, Series KhM [in Russian], No. 3, TsINTIkhimneftemash, Moscow (1970), pp. 40–44.
G. A. Kabulov and G. I. Kuznetsov, “Use of thermally corundized nozzle liners in NPU Azizbekovneft',” Neftepromyslovoe delo, Gos INTI, Moscow, No. 9, 32–33 (1959).
A. G. Gurbanov, B. M. Akhmedov, N. G. Kasumzade, and V. Ya. Ibragimov, “Causes for failure of wellhead valve parts and ways to increase their reliability,” Azerbaidzhandskoe Neftyanoe Khozyaistvo, No. 12, 44–46 (1970).
S. G. Babaev and L. I. Zil'berman, Increasing the Service Life of Wellhead Valves [in Russian], VNIIOeng, Moscow (1969).
A. M. Dlin, Mathematical Statistics in Engineering [in Russian], Sovetskaya Nauka, Moscow (1958).
B. M. Akhmedov, Kh. T. Kakhramanov,. and A. G. Gurbanov, “Determination of wellhead gate valve reliability,” in: Scientific-Technical Collection “Machinery and Petroleum Equipment” [in Russian], VNIIoéng, Moscow, No. 8, 22–25 (1970).
Additional information
Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 3, pp. 33–34, March, 1974.
Rights and permissions
About this article
Cite this article
Gurbanov, A.G., Akhmedov, B.M., Kakhramanov, K.T. et al. Investigation of the effect of wellhead valve nozzle bore shape on their wear resistance. Chem Petrol Eng 10, 259–261 (1974). https://doi.org/10.1007/BF01145603
Issue Date:
DOI: https://doi.org/10.1007/BF01145603