Production Decline Behavior Analysis of a Vertical Well with a Natural Water Influx/Waterflood

Table 3

Basic parameters for the production decline analysis.

Parameters	Unit	Value
Well radius, rw	m	0.1
Thickness of the pay zone, h	m	18
Reservoir porosity, ϕ	Decimal	0.253
Initial reservoir pressure, pi	MPa	14.6
Reservoir temperature, T	°C	80
Gas gravity, rg	Decimal	0.57
Initial water saturation, swi	Decimal	0.25
Rock compressibility, cf	MPa^−1	5.55 × 10^−4
Water compressibility, cw	MPa^−1	4.67 × 10^−4
Gas compressibility, cg	MPa^−1	7.12 × 10^−4