14. A drawdown test was conducted on a new well with results as given below: Given: Pi = 3400 psi C₁ = 18 × 10-6 psi-1 Tw = 0.25 ft t, hr 1.50 3.75 7.50 15.00 37.50 56.25 75.00 112.50 150.00 225.00 Pwir psi 2978 2949 2927 2904 2876 2863 2848 2810 2790 2763 h = 25 ft Mo = 1.8 cp $ = 12% Assuming no wellbore storage, calculate: Average permeability • Skin factor Q = 300 STB/day B, = 1.1 bbl/STB

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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J 6
14. A drawdown test was conducted on a new well with results as given
below:
Given:
P₁ = 3400 psi
C₁ = 18 × 10-6 psi-
Tw = 0.25 ft
t, hr
1.50
3.75
7.50
15.00
37.50
56.25
75.00
112.50
150.00
225.00
Pwfr psi
2978
2949
2927
2904
2876
2863
2848
2810
2790
2763
h = 25 ft
Mo = 1.8 cp
$ = 12%
Assuming no wellbore storage, calculate:
• Average permeability
• Skin factor
B,
Q = 300 STB/day
1.1 bbl/STB
=
Transcribed Image Text:14. A drawdown test was conducted on a new well with results as given below: Given: P₁ = 3400 psi C₁ = 18 × 10-6 psi- Tw = 0.25 ft t, hr 1.50 3.75 7.50 15.00 37.50 56.25 75.00 112.50 150.00 225.00 Pwfr psi 2978 2949 2927 2904 2876 2863 2848 2810 2790 2763 h = 25 ft Mo = 1.8 cp $ = 12% Assuming no wellbore storage, calculate: • Average permeability • Skin factor B, Q = 300 STB/day 1.1 bbl/STB =
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