Calculate the total pressure drop at an observation well located 1500 feet from a producing well in a virgin reservoir. The single production well was maintained at a constant production rate of 300 STB/D for 10 days; then the rate was increased to a constant rate of 500 STB/D for an additional 25 days. The initial reservoir pressure was 2500 psia. Assume the reservoir was infinite acting during this test. Other reservoir and fluid properties are as follows: (use kH for perm)
Calculate the total pressure drop at an observation well located 1500 feet from a producing well in a virgin reservoir. The single production well was maintained at a constant production rate of 300 STB/D for 10 days; then the rate was increased to a constant rate of 500 STB/D for an additional 25 days. The initial reservoir pressure was 2500 psia. Assume the reservoir was infinite acting during this test. Other reservoir and fluid properties are as follows: (use kH for perm)
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Calculate the total pressure drop at an observation well located 1500 feet from a producing well
in a virgin reservoir. The single production well was maintained at a constant production rate of
300 STB/D for 10 days; then the rate was increased to a constant rate of 500 STB/D for an additional
25 days. The initial reservoir pressure was 2500 psia. Assume the reservoir was infinite acting
during this test. Other reservoir and fluid properties are as follows: (use kH for perm)
Transcribed Image Text:Кн — 8.2 md
ky = 0.9 md
h = 53 ft
Pi = 5651 psi
1323 psi
Co = 1.4 x 10-S psi-l
Pb =
Cw = 3 x 10-6 psi-
Cf = 2.8 × 10-6 psi-
C; = 1.29 x 10-5
Psi-
и 3D 1.7 ср
B = 1.1 res bbl/STB
R,
150 SCF/STB
%3D
ф— 0.19
Sw = 0.34
API° = 28
0.328 ft (7 7/8 well)
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