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Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, 2019, Volume 23, Number 4, Pages 777–788
DOI: https://doi.org/10.14498/vsgtu1744 (Mi vsgtu1744) 		 
Short Communication

Modeling of stress state of a perforated cement sheath in a well with hydraulic fracture

T. F. Kireevab, G. T. Bulgakovaa

a Ufa State Aviation Technical University, Ufa, 450077, Russian Federation
b Ufa Scientific and Technical Center, Ufa, 450076, Russian Federation
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DOI: https://doi.org/10.14498/vsgtu1744
Abstract: Modeling of stress state of a perforated cement sheath in a well with hydraulic fracture is performed. The incompressible fluid flow model is used to calculate the pore pressure of a fluid. The linear-elastic body model and finite volume method with multipoint stress approximation are used to calculate the stress state of the cement sheath and production casing. The numerical model was verified by comparing the calculation results with a calculation in the Fenics open-source computing platform. It is shown that the maximum value of von Mises stress falls on the perforation zone at the junction of the cement sheath and the production casing. The presence of a hydraulic fracture can reduce the stress of the cement sheath.
Keywords: stress state, cement sheath, behind-the-casing flows, hydraulic fracture, multipoint stress approximation, Voronoi grid.
Funding agency Grant number
Russian Foundation for Basic Research 17-41-020226_р_а
Уфимский научно-технический центр
This research was supported by UNTC LLC and RFBR (project no. 17–41–020226–r_a).
Received: September 13, 2019
Revised: October 28, 2019
Accepted: November 11, 2019
First online: December 23, 2019
Bibliographic databases:
Document Type: Article
UDC: 532.546:519.6
MSC: 76S05, 74A10
Language: Russian
Citation: T. F. Kireev, G. T. Bulgakova, “Modeling of stress state of a perforated cement sheath in a well with hydraulic fracture”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 23:4 (2019), 777–788
Citation in format AMSBIB
\Bibitem{KirBul19}
\by T.~F.~Kireev, G.~T.~Bulgakova
\paper Modeling of stress state of a perforated cement sheath in a well with hydraulic fracture
\jour Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]
\yr 2019
\vol 23
\issue 4
\pages 777--788
\mathnet{http://mi.mathnet.ru/vsgtu1744}
\crossref{https://doi.org/10.14498/vsgtu1744}
\elib{https://elibrary.ru/item.asp?id=43238423}
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    		Вестник Самарского государственного технического университета. Серия: Физико-математические науки
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