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Advanced technologies for wells killing

Authors: M.A. Silin, L.A. Magadova , V.L. Zavorotniy , D.N. Malkin (Gubkin Russian State University of Oil and Gas, RF, Moscow), O.V. Akimov (RN –Yuganskneftegas LLC, RF, Nefteyugansk), V.P. Anufriyev , M.A. Lopukhov (Moscow office of FSI International Services Ltd., RF, Moscow)

Key words: bottomhole formation zone, wells killing, washing fluid, polysaccharide fluids for wells killing, emulsion- and hydrocarbon-based wells killing fluids.

An overview of water- and emulsion-based wells killing and washing fluids, developed in Gubkin Russian State University of Oil and Gas, is given. The possibility of using the modern brine plant facilities of the FSI International Services Ltd. manufacturing for qualitative process fluids production is shown. A comprehensive solution to the problem of wells killing with low-impact killing fluids and special equipment for their preparation will allow to eliminate the problems associated with trouble-free maintenance work execution and will preserve the recovery wells productivity.
References
1. Patent no. 2246609 RF, Well killing polysaccharide gel composition and
method for producing the same, Inventors: Magadova L.A., Magadov R.S.,
Marinenko V.N., Silin M.A., Gaevoy E.G., Rud' M.I., Zaytsev K.I., Zavorotnyy A.V.
2. Khismetov T.V., Bernshteyn A.M., Kriman E.I., Shaymardanov A.F., Andrianov A.V., Yatsenko G.G., Silin M.A., Magadov R.S., Magadova L.A., Research of influence of kill fluids and acid solutions on muddy terrigenous reservoirs (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2007, no. 3, pp. 92–95.
3. Kuryatnikov E., Savasteev V., Rakhimov N., et al., Experience of using complex Himeko-V in the hydraulic fracturing technology and well killing (In Russ.), Neft' i kapital = Oil & Capital, 2004, no. 2, pp. 2–3.
4. Patent no. 2330942 RF, Method of killing wells with abnormal low formation pressure, Inventors: Magadova L.A., Magadov R.S., Silin M.A., Gaevoy E.G., Efimov N.N., Nazyrov R.R., Larchenko Yu.A., Gur'yanov O.V.
5. Silin M.A., Magadova L.A., Gaevoy E.G. et al., Application of killing fluids on the polysaccharide base in wells with low pressure and after fracturing (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2010, no. 4, pp. 104–106.
6. Bulatov A.I., Makarenko P.P., Budnikov V.F., Basarygin Yu.M., Teoriya i praktika zakanchivaniya skvazhin (Theory and practice of well completion): edited by Bulatov A.I., Part 5, Moscow: Nedra Publ., 1998, pp. 181–242.
7. Tokunov V.I., Saushin A.Z., Tekhnologicheskie zhidkosti i sostavy dlya
povysheniya produktivnosti neftyanykh i gazovykh skvazhin (Process fluids
and compositions for increasing the productivity of oil and gas wells),
Moscow: Nedra-Biznestsentr Publ., 2004, 711 p.
8. Shadymukhamedov S.A., Smykov Yu.V., Vakhitov T.M., Safuanova R.M.,
Analysis of state-of-the-art engineering solutions of well killing and flushing-out jobs (In Russ.), Issledovano v Rossii: elektronnyy zhurnal, 2008, Article no. 68, pp. 724–736, URL: http://zhurnal.ape.relarn.ru/articles/2008/068.pdf.
9. Patent no. 2357997 RF, Blocking fluid "ZhG-IER-T", Inventors: Silin M.A., Magadov R.S., Gaevoy E.G., Rud' M.I., Zavorotnyy V.L., Magadova L.A., Efimov N.N., S Shishkov.N., Zavorotnyy A.V.
10. Patent no. 2200056 RF, Emulsifier for invert emulsions, Inventors: Silin M.A., Magadov R.S., Gaevoy E.G., Rud' M.I., Zavorotnyy V.L., Magadova L.A., Sidorenko D.O., Zavorotnyy A.V.
11. Gilaev G.G., T.V. Khismetov, A.M. Bernshteyn, V.L. Zavorotnyy et al., Application of heat-resistant killing fluids on the basis of oil emulsions (In Russ.), Neftyanoe khozyaystvo, 2009, no. 8, pp. 64-67.
12. Magadova L.A., Silin M.A., Gaevoy E.G. et al., Killing and flushing fluids preserving reservoir properties (In Russ.), Vremya koltyubinga, 2009, no. 1–2 (027), pp. 56–64.
13. Silin M.A., Magadova L.A., Nizova S.A. et al., A polysaccharidic fluid for
well killing operation and cleanout (In Russ.), Tekhnologii nefti i gaza, 2010,
no. 3 (68), pp. 50–53.

Key words: bottomhole formation zone, wells killing, washing fluid, polysaccharide fluids for wells killing, emulsion- and hydrocarbon-based wells killing fluids.

An overview of water- and emulsion-based wells killing and washing fluids, developed in Gubkin Russian State University of Oil and Gas, is given. The possibility of using the modern brine plant facilities of the FSI International Services Ltd. manufacturing for qualitative process fluids production is shown. A comprehensive solution to the problem of wells killing with low-impact killing fluids and special equipment for their preparation will allow to eliminate the problems associated with trouble-free maintenance work execution and will preserve the recovery wells productivity.
References
1. Patent no. 2246609 RF, Well killing polysaccharide gel composition and
method for producing the same, Inventors: Magadova L.A., Magadov R.S.,
Marinenko V.N., Silin M.A., Gaevoy E.G., Rud' M.I., Zaytsev K.I., Zavorotnyy A.V.
2. Khismetov T.V., Bernshteyn A.M., Kriman E.I., Shaymardanov A.F., Andrianov A.V., Yatsenko G.G., Silin M.A., Magadov R.S., Magadova L.A., Research of influence of kill fluids and acid solutions on muddy terrigenous reservoirs (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2007, no. 3, pp. 92–95.
3. Kuryatnikov E., Savasteev V., Rakhimov N., et al., Experience of using complex Himeko-V in the hydraulic fracturing technology and well killing (In Russ.), Neft' i kapital = Oil & Capital, 2004, no. 2, pp. 2–3.
4. Patent no. 2330942 RF, Method of killing wells with abnormal low formation pressure, Inventors: Magadova L.A., Magadov R.S., Silin M.A., Gaevoy E.G., Efimov N.N., Nazyrov R.R., Larchenko Yu.A., Gur'yanov O.V.
5. Silin M.A., Magadova L.A., Gaevoy E.G. et al., Application of killing fluids on the polysaccharide base in wells with low pressure and after fracturing (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2010, no. 4, pp. 104–106.
6. Bulatov A.I., Makarenko P.P., Budnikov V.F., Basarygin Yu.M., Teoriya i praktika zakanchivaniya skvazhin (Theory and practice of well completion): edited by Bulatov A.I., Part 5, Moscow: Nedra Publ., 1998, pp. 181–242.
7. Tokunov V.I., Saushin A.Z., Tekhnologicheskie zhidkosti i sostavy dlya
povysheniya produktivnosti neftyanykh i gazovykh skvazhin (Process fluids
and compositions for increasing the productivity of oil and gas wells),
Moscow: Nedra-Biznestsentr Publ., 2004, 711 p.
8. Shadymukhamedov S.A., Smykov Yu.V., Vakhitov T.M., Safuanova R.M.,
Analysis of state-of-the-art engineering solutions of well killing and flushing-out jobs (In Russ.), Issledovano v Rossii: elektronnyy zhurnal, 2008, Article no. 68, pp. 724–736, URL: http://zhurnal.ape.relarn.ru/articles/2008/068.pdf.
9. Patent no. 2357997 RF, Blocking fluid "ZhG-IER-T", Inventors: Silin M.A., Magadov R.S., Gaevoy E.G., Rud' M.I., Zavorotnyy V.L., Magadova L.A., Efimov N.N., S Shishkov.N., Zavorotnyy A.V.
10. Patent no. 2200056 RF, Emulsifier for invert emulsions, Inventors: Silin M.A., Magadov R.S., Gaevoy E.G., Rud' M.I., Zavorotnyy V.L., Magadova L.A., Sidorenko D.O., Zavorotnyy A.V.
11. Gilaev G.G., T.V. Khismetov, A.M. Bernshteyn, V.L. Zavorotnyy et al., Application of heat-resistant killing fluids on the basis of oil emulsions (In Russ.), Neftyanoe khozyaystvo, 2009, no. 8, pp. 64-67.
12. Magadova L.A., Silin M.A., Gaevoy E.G. et al., Killing and flushing fluids preserving reservoir properties (In Russ.), Vremya koltyubinga, 2009, no. 1–2 (027), pp. 56–64.
13. Silin M.A., Magadova L.A., Nizova S.A. et al., A polysaccharidic fluid for
well killing operation and cleanout (In Russ.), Tekhnologii nefti i gaza, 2010,
no. 3 (68), pp. 50–53.


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