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Evaluation of thermal conductivity of the plugging material cement stone based on magnesia cement for cementing casing columns, overlaping permafrost sediments

Authors: A.M. Pastukhov, G.M. Tolkachov (Perm National Research Polytechnic University, RF, Perm)

Key words: cementing casing columns, permafrost, magnesia cement, cement stone, thermal conductivity.

The results of laboratory studies of thermal conductivity of cement stone of plugging materials based on magnesia cement, designed for cementing casing columns, overlaping permafrost sediments, are given. The influence of various additives on the thermal conductivity of cement stone is established by the executed works.

References
1. Ovchinnikov P.V., Kuznetsov V.G., Frolov A.A. et al., Spetsial'nye tamponazhnye materialy dlya nizkotemperaturnykh skvazhin (Special plugging
materials for low-temperature wells), Moscow: Nedra-Biznestsentr Publ.,
2002, 115 p.
2. Bakshutov V.S., Mineralizovannye tamponazhnye rastvory dlya tsementirovaniya
skvazhin v slozhnykh usloviyakh (Mineralized cement slurry for cementing
wells in difficult conditions), Moscow: Nedra Publ., 1986, 272 p.
3. Solov'ev E.M., Zakanchivanie skvazhin (Well completions), Moscow:
Nedra Publ., 1979, 303 p.
4. Kozlov A.S., Pastukhov A.M., Plugging material for cementing casing in
the range of perennially frozen rocks (In Russ.), Vestnik Permskogo natsional'nogo
issledovatel'skogo politekhnicheskogo universiteta. Geologiya.
Neftegazovoe i gornoe delo, 2014, no. 10, pp. 42–48.
5. Tolkachev G.M., Asanov V.A., Fokht A.A., Estimating the elastic and
strength properties of cement stone plugging material prescribed for well
cementing (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo
politekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo,
2013, no. 8, pp. 35–40.
6. Tolkachev G.M., Kozlov A.S., Devyatkin D.A., A method to reduce chemical
activity of magnesite cements to ensure safety in casing cementing in
oil and gas wells (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo
politekhnicheskogo universiteta. Geologiya. Neftegazovoe
i gornoe delo, 2013, no. 9, pp. 57–65.
7. Tolkachev G.M., Anisimova A.V., Study of modifying technological properties
of a cement sheath for casing cementing in permafrosts (In Russ.), Vestnik
Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta.
Geologiya. Neftegazovoe i gornoe delo, 2013, no. 9, pp. 49–56.
8. MIT-1, Izmeritel' teploprovodnosti materialov. Rukovodstvo po ekspluatatsii
(Measurer of thermal conductivity of material. Operating Instructions), Chelyabinsk: Publ. of Interpribor, 2008, 36 p. 

Key words: cementing casing columns, permafrost, magnesia cement, cement stone, thermal conductivity.

The results of laboratory studies of thermal conductivity of cement stone of plugging materials based on magnesia cement, designed for cementing casing columns, overlaping permafrost sediments, are given. The influence of various additives on the thermal conductivity of cement stone is established by the executed works.

References
1. Ovchinnikov P.V., Kuznetsov V.G., Frolov A.A. et al., Spetsial'nye tamponazhnye materialy dlya nizkotemperaturnykh skvazhin (Special plugging
materials for low-temperature wells), Moscow: Nedra-Biznestsentr Publ.,
2002, 115 p.
2. Bakshutov V.S., Mineralizovannye tamponazhnye rastvory dlya tsementirovaniya
skvazhin v slozhnykh usloviyakh (Mineralized cement slurry for cementing
wells in difficult conditions), Moscow: Nedra Publ., 1986, 272 p.
3. Solov'ev E.M., Zakanchivanie skvazhin (Well completions), Moscow:
Nedra Publ., 1979, 303 p.
4. Kozlov A.S., Pastukhov A.M., Plugging material for cementing casing in
the range of perennially frozen rocks (In Russ.), Vestnik Permskogo natsional'nogo
issledovatel'skogo politekhnicheskogo universiteta. Geologiya.
Neftegazovoe i gornoe delo, 2014, no. 10, pp. 42–48.
5. Tolkachev G.M., Asanov V.A., Fokht A.A., Estimating the elastic and
strength properties of cement stone plugging material prescribed for well
cementing (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo
politekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo,
2013, no. 8, pp. 35–40.
6. Tolkachev G.M., Kozlov A.S., Devyatkin D.A., A method to reduce chemical
activity of magnesite cements to ensure safety in casing cementing in
oil and gas wells (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo
politekhnicheskogo universiteta. Geologiya. Neftegazovoe
i gornoe delo, 2013, no. 9, pp. 57–65.
7. Tolkachev G.M., Anisimova A.V., Study of modifying technological properties
of a cement sheath for casing cementing in permafrosts (In Russ.), Vestnik
Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta.
Geologiya. Neftegazovoe i gornoe delo, 2013, no. 9, pp. 49–56.
8. MIT-1, Izmeritel' teploprovodnosti materialov. Rukovodstvo po ekspluatatsii
(Measurer of thermal conductivity of material. Operating Instructions), Chelyabinsk: Publ. of Interpribor, 2008, 36 p. 


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