Pressure Transient Analysis for a Well Drilling into a Large-Size Cave in Fracture-Caved Carbonate Gas Reservoirs

Table 1

Dimensionless parameters.

Parameters	Definitions
Dimensionless radius
Dimensionless pseudopressure
Dimensionless time
Dimensionless height
Storage ratio
Interporosity flow factor
Dimensionless wellbore storage constant
Dimensionless large-size cave storage constant
Pressure propagation coefficient
Cave volume factor