The nature of the restriction borehole at the opening of thick salt

Authors: S.N. Goronovich, T.V. Kozhina, A.N. Olejnikov (VolgoUralNIPIgaz ООО, RF, Orenburg), D.G. Belskiy Gazprom ОАО, RF, Moscow)

Key words: mud, the secondary crystallization, beds of precipitation, complications, aging sediment.

This paper examines the nature of the restriction borehole at the opening of thick salt. Raises issues related to complications during drilling in thick beds of precipitation. The article contains a physical-chemical basis of the process of secondary crystallization of salt on the walls of the well, the problem involves the prevention of secondary crystallization by modifying the environment mud. The results can be used to solve the problem of preventing the narrowing of the wellbore due salts crystallization on the walls of the well.

References
1. Goronovich S.N., Neftyanoe khozyaystvo – Oil Industry, 2008, no. 2,
pp. 49-51.
2. Goronovich S.N., Galyan D.A., Shvets T.S., Myazin O.G., Burenie i neft', 2010, no. 4, pp. 44-46.
3. Goronovich S.N., Galyan D.A., K voprosu vskrytiya khemogennykh otlozheniy
na Vostochno–Peschanoy i Peschanoy ploshchadyakh v usloviyakh
ikh neodnorodnosti (On the question of drilling in chemogenic deposits on
the East Peschanaya and Peschanaya areas with heterogeneous beds),
Moscow: Publ. of IRTs Gazprom, 2003, pp. 65-72.
4. Khurshudov V.A., Khurshudov D.V., Stroitel'stvo neftyanykh i gazovykh
skvazhin na sushe i na more, 2009, no. 11, p. 22; no. 12, p.16; 2010, no. 1, p. 11;
no. 2, p. 1.
5. Goronovich S.N., Metody obespecheniya sovmestimosti intervalov bureniya
(Methods for ensuring compatibility of drilling intervals), Moscow:
Gazprom ekspo Publ., 2009, 356 p.
6. Kireev V.A., Kurs fizicheskoy khimii (Course of physical chemistry), Moscow: Khimiya Publ., 1975, 499 p. 

Key words: mud, the secondary crystallization, beds of precipitation, complications, aging sediment.

This paper examines the nature of the restriction borehole at the opening of thick salt. Raises issues related to complications during drilling in thick beds of precipitation. The article contains a physical-chemical basis of the process of secondary crystallization of salt on the walls of the well, the problem involves the prevention of secondary crystallization by modifying the environment mud. The results can be used to solve the problem of preventing the narrowing of the wellbore due salts crystallization on the walls of the well.

References
1. Goronovich S.N., Neftyanoe khozyaystvo – Oil Industry, 2008, no. 2,
pp. 49-51.
2. Goronovich S.N., Galyan D.A., Shvets T.S., Myazin O.G., Burenie i neft', 2010, no. 4, pp. 44-46.
3. Goronovich S.N., Galyan D.A., K voprosu vskrytiya khemogennykh otlozheniy
na Vostochno–Peschanoy i Peschanoy ploshchadyakh v usloviyakh
ikh neodnorodnosti (On the question of drilling in chemogenic deposits on
the East Peschanaya and Peschanaya areas with heterogeneous beds),
Moscow: Publ. of IRTs Gazprom, 2003, pp. 65-72.
4. Khurshudov V.A., Khurshudov D.V., Stroitel'stvo neftyanykh i gazovykh
skvazhin na sushe i na more, 2009, no. 11, p. 22; no. 12, p.16; 2010, no. 1, p. 11;
no. 2, p. 1.
5. Goronovich S.N., Metody obespecheniya sovmestimosti intervalov bureniya
(Methods for ensuring compatibility of drilling intervals), Moscow:
Gazprom ekspo Publ., 2009, 356 p.
6. Kireev V.A., Kurs fizicheskoy khimii (Course of physical chemistry), Moscow: Khimiya Publ., 1975, 499 p. 


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