Research Article

[Retracted] Integrated Design Technology of Geological Engineering for Pressure Flooding and Water Injection in Low Permeability Reservoirs: Take the Reservoir of Keshang Formation in Wu2 East Area as an Example

Table 2

Statistical table of in-situ stress data of sand group S1∼S5.

Sand formationMinimum horizontal principal stress (MPa)Maximum horizontal principal stress (MPa)Horizontal stress difference (MPa)

S128.241.112.9
S229.241.111.9
S329.642.312.7
S430.042.512.5
S530.943.412.5