Research Article

The Responses of Injection Pressure and Fracture Width during Height Extension in Sand-Mud Interbed Reservoirs in the Dongsheng Gas Field

Table 2

Basic parameters for simulation.

CategorySandMud cap/interlayer

Damage displacement (m)10−410−4
Porosity (%)101
Permeability (mD)10.1
Leakoff coefficient (m/Pa·s)10−1310−14
Vertical stress (MPa)7575
Minimum horizontal stress (MPa)6064
Pore pressure (MPa)30
Fluid viscosity (mPa·s)2
Injection rate (m2/s)