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Mining-geological-petroleum engineering bulletin, Vol.19 No.1 December 2007.

Review article

WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES

Borivoje Pašić
Nediljka Gaurina Međimurec
Davorin Matanović

Fulltext: english, pdf (6 MB) pages 87-98 downloads: 19.356* cite
APA 6th Edition
Pašić, B., Gaurina Međimurec, N. & Matanović, D. (2007). WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES. Rudarsko-geološko-naftni zbornik, 19 (1), 87-98. Retrieved from https://hrcak.srce.hr/19296
MLA 8th Edition
Pašić, Borivoje, et al. "WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES." Rudarsko-geološko-naftni zbornik, vol. 19, no. 1, 2007, pp. 87-98. https://hrcak.srce.hr/19296. Accessed 16 Nov. 2018.
Chicago 17th Edition
Pašić, Borivoje, Nediljka Gaurina Međimurec and Davorin Matanović. "WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES." Rudarsko-geološko-naftni zbornik 19, no. 1 (2007): 87-98. https://hrcak.srce.hr/19296
Harvard
Pašić, B., Gaurina Međimurec, N., and Matanović, D. (2007). 'WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES', Rudarsko-geološko-naftni zbornik, 19(1), pp. 87-98. Available at: https://hrcak.srce.hr/19296 (Accessed 16 November 2018)
Vancouver
Pašić B, Gaurina Međimurec N, Matanović D. WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES. Rudarsko-geološko-naftni zbornik [Internet]. 2007 [cited 2018 November 16];19(1):87-98. Available from: https://hrcak.srce.hr/19296
IEEE
B. Pašić, N. Gaurina Međimurec and D. Matanović, "WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES", Rudarsko-geološko-naftni zbornik, vol.19, no. 1, pp. 87-98, 2007. [Online]. Available: https://hrcak.srce.hr/19296. [Accessed: 16 November 2018]

Abstracts
Wellbore instability is one of the main problems that engineers meet during drilling. The causes of wellbore instability are often classified into either mechanical (for example, failure of the rock around the hole because of high stresses, low rock strength, or inappropriate drilling practice) or chemical effects which arise from damaging interaction between the rock, generally shale, and the drilling fluid. Often, field instances of instability are a result of a combination of both chemical and mechanical. This problem might cause serious complication in well and in some case can lead to expensive operational problems. The increasing demand for wellbore stability analyses during the planning stage of a field arise from economic considerations and the increasing use of deviated, extended reach and horizontal wells. This paper presents causes, indicators and diagnosing of wellbore instability as well as the wellbore stresses model.

Keywords
well; instability; stress

Hrčak ID: 19296

URI
https://hrcak.srce.hr/19296

[croatian]

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