Research Article

New Analytical Method to Evaluate Casing Integrity during Hydraulic Fracturing of Shale Gas Wells

Figure 13

Thermal stress field. (a) Formation stress components. (b) Interface pressures. pi is the interface pressure, iā€‰=ā€‰2, 3 represented the casing-cement sheath interface and cement sheath-formation interface.
(a)
(b)