Literature cited
E. M. Krutova, N. P. Kochurkin, Yu. A. Shirinkin, and V. A. Avvakumov, in: Sulfocyaniding of Tapered Valve Plugs in Christmas Tree and Tubing Head, Central Scientific and Technical Research Institute of Petrochemical Engineering, Moscow (1980), pp. 18–20.
Yu. A. Shirinkin, V. A. Avvakumov, and Yu. V. Vasil'ev, “Use of the sulfocyaniding process in well head equipment,” Khim. Neft. Mashinostr., No. 12, 30 (1984).
Additional information
Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 1, pp. 4–5, July, 1991.
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Shirinkin, Y.A., Teploukhov, E.A. New design of Christmas tree and tubing head. Chem Petrol Eng 27, 367–368 (1991). https://doi.org/10.1007/BF01262663
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DOI: https://doi.org/10.1007/BF01262663