4Jackson P B, Murphey C E. Effect of casing pressure on gas flow through a sheath of set cement[R]. SPE 25698-MS, 1993.
5Goodwin K J, Crook R J. Cement sheath stress failure[R]. SPE 20453-PA, 1992.
6Saint-Marc J, Gamier A, Bois A P. Initial state of stress: The key to achieving long-term cement-sheath integrity[R]. SPE 116651-MS, 2008.
7Gray K E, Podnos E, Becker E. Finite element studies of near-wellbore region during cementing operations: Part I[R]. SPE 106998-PA, 2009.
8Bois A P, Gamier A, Rodot A, et al. How to prevent loss of zonal isolation through a comprehensive analysis of microannulus formation[R]. SPE 124719-PA, 2011.
