Page 311 - Fundamentals of Gas Shale Reservoirs
P. 311
FLOW RATE AND PRESSURE TRANSIENT ANALYSIS IN UNCONVENTIONAL RESERVOIRS 291
10,000
Well data
B o 2.744 RB/STB h 191 ft
B g 0.55 RB/MSCF y f 175 ft
B w 1.057 RB/STB n f 18
0.089 o 0.127 cp
–5
1,000 C t 1.12 × 10 1/psi g 0.0325 cp
p/(q o B o + q w B w + q g B g ) (psi/rb/d) 100 m unit
10
1 m 1/2
m 1/4
0.1
10
1 10 100 1,000 10,000
Time (day)
FIgURE 13.5 Field example 1: Diagnostic plot for rate‐normalized pressure versus production time.
40 Well data
B o 2.744 RB/STB h 191 ft
B g 0.55 RB/MSCF y f 175 ft
B w 1.05 RB/STB n f 18
0.089 o 0.127cp
–5
30 C t 1.12 × 10 1/psi g 0.0325cp
p/(q o B o + q w B w + q g B g ) (psi/rb/d) 20
10
0
–10
0 10 20 30
√ Time, √ day
FIgURE 13.6 Field example 1: Rate‐normalized pressure linear flow trend.
