Hydraulic fracturing induced casing shear deformation and a prediction model of casing deformation

LU Qianli,LIU Zhuang,GUO Jianchun,HE Le,LI Yanchao,ZENG Ji,REN Shan

Table 2 Geological engineering parameters of reservoir stimulation in a block of Weiyuan area.

Well number Elasticity modulus/ MPa Poisson’s ratio σh/ MPa σH/ MPa σH azimuth/ (°) Wellbore approach angle/(°) Number of NF NF azimuth/ (°) Average NF length/m Number of CD Fracture approach angle at CD position/(°) A1 33 210 0.24 61.6 74.3 100 110 5 36.8-46.0 125 2 53.2 A2 34 103 0.22 60.7 71.6 100 90 4 25.8-44.0 180 2 45.5 A3 36 104 0.24 62.8 74.1 100 90 2 25.0 64 A4 34 136 0.23 62.0 73.5 100 90 2 68.0 31 B1 37 334 0.27 70.5 82.4 95 85 6 35-60.0 120 3 38.0-52.0 B2 30 804 0.22 65.9 78.6 95 90 4 0-10.0 130 C1 35 154 0.22 69.5 83.8 90 90 6 30.0-65.0 300 3 35.0-56.0 C2 40 852 0.21 65.0 78.8 90 90 8 20.0-50.0 220 1 50.0