INVESTIGATION OF THE CORROSION ACTIVITY OF SILENCING FLUIDS
Keywords:
technical salt of the Oymash Deposit, silencing liquid, corrosion, sodium phosphate, boric acid, inhibiting compositionAbstract
The corrosion activity of silencing liquids prepared on tap water and technical salt of the Oymasha Deposit in relation to steel of the St3 brand was studied by the gravimetric method. The results of research on the creation of inhibiting compositions based on available inorganic reagents that can significantly reduce the rate of metal corrosion in water environments with a 9% Oymasha deposit salt content are presented. The influence of the concentration of sodium phosphate, boric acid, and inhibiting compositions based on it on corrosion processes is shown. It was found that increasing the concentration of added salts increases the density of solutions and slightly reduces the corrosion of steel. It was found that the introduction of boric acid additives in the inhibiting composition increases the anticorrosive properties of silencing fluids.
References
[1] Glushchenko, V.N. Oilfield chemistry: Complications in the reservoir - well system - UPPN / V.N. Glushchenko, M.A. Silin, O.A. Ptashko A.V. Denisova. M.: MAX Press, 2008. 328 p.
[2] Zhelonin, P.V. The use of an inhibitor of complex action - the first experience of TNK-BP / P.V. Zhelonin, A.V. Archikov, S.B. Yakimov, I.G. Klyushin // Equipment and technologies for the oil and gas complex. 2012. No. 3. P. 82-85.
[3] Ibragimov, G.Z. Reference manual on the use of chemical reagents in oil production / G.Z. Ibragimov, N.I. Khisamutdinov. M.: Nedra, 1983. 312 p.
[4] Shadymuhamedov S.A. Smykov Yu.V., Vakhitov T.V., Safuanova R.M. Analysis of modern technical and technological solutions for killing and flushing wells // Electronic Journal "Investigated in Russia". 2008.S. 724-736. URL: http://zhurnal.ape.relarn.ru/articles/2008/068.pdf (accessed September 20, 2011)
[5] Soldatov A.M. Calculation of a high-pressure liquid-gas ejector for the preparation of two-phase mixtures / А.М. Soldatov A.I. Timofeev, N.V. Sokorev // Oilfield business. Oil and gas well drilling, oil production: interuniversity. Sat scientific tr. Kuibyshev, 1975. Vol. 2. P. 143-149.
[6] Amiyan V.A. Opening and development of oil and gas reservoirs / V.A. Amiyan, N.P. Vasilieva. M.: Nedra, 2002. 333 p.
[7] Patent 2480577 C1 RU Method for killing a gas well. Application submission date: 11/08/2011. Posted: 04/27/2013 Bull. Number 12.
[8] Bulatov A. I., Makarenko P. P., Budnikov V. F., Basarygin Yu. M. Theory and practice of well completion: 5 volumes. M.: Publishing House "Nedra", 1998. Vol. 5.
[9] Gorbunov A. T., Tropin E. Yu., Bochkarev V. K. Some important aspects of the use of solutions for killing wells // Interval. 2002. No. 10. P. 70-76.
[10] 3yygman Yu. V., Tasmukhanova G. E. Features of killing operations using mineralized water // Interval. 2001. No. 4(27).
[11] Malyutin S.A., Glushchenko V.N., Ibatullina I.V., Cherygova M.A., Dinges V.Yu. Investigation of the characteristics of water-salt kill fluids based on sodium, calcium and magnesium salts // Materials I International Scientific and Practical Conference "Oilfield Chemistry". – Moscow, 2014. P. 14.
[12] Ovchinnikov V.P. Killing fluids and technologies: a training manual. Tyumen: Tsogu, 2013. 96 p.
[13] OST 39-099-79. Corrosion inhibitors. A method for evaluating the effectiveness of the protective effect of corrosion inhibitors in oilfield wastewater. M., 1980. 19 p.
[14] Sultanova (Khusainova), D.A. Investigation of the effect of scale inhibitors on the effec-tiveness of the use of corrosion inhibitors in oil wells / D.A. Sultanova (Khusainova), D.V. Marda-shov, R.R. Khusainov // Scientific and technical journal "Petroleum Engineer". 2016. No. 2. P. 53-56.