1.18 Experiments were made on a bottom-hole sample of the reservoir liquid taken from the LaSalle Oil Field to determine the solution gas and the formation volume factor as function of pressure. The initial bottom-hole pressure of the reservoir was 3600 psia, and bottom-hole temperature was 160 °F; so all measurements in the laboratory were made at 160 °F. The following data, converted to practical units, were obtained from the measurements: Solution gas [SCF/STB at 14.7 psia and 60 "F] Formation Volume Factor Pressure (psia Bbl/STB 3600 567 1.310 3200 567 1317 2800 567 1.325 2500 567 1.333 2400 554 1.310 1800 436 1.263 1200 337 1.210 600 223 1.140 200 143 1.070 a) What factors affect the solubility of gas in crude oil? b) Plot the gas in solution versus pressure. e) Was the reservoir initially saturated or undersaturated? Explain d) Does the reservoir have an initial gas cap? e) In the region of 200 to 2500 psia, determine the solubility of the gas from your graph in SCF/STB/psi.
1.18 Experiments were made on a bottom-hole sample of the reservoir liquid taken from the LaSalle Oil Field to determine the solution gas and the formation volume factor as function of pressure. The initial bottom-hole pressure of the reservoir was 3600 psia, and bottom-hole temperature was 160 °F; so all measurements in the laboratory were made at 160 °F. The following data, converted to practical units, were obtained from the measurements: Solution gas [SCF/STB at 14.7 psia and 60 "F] Formation Volume Factor Pressure (psia Bbl/STB 3600 567 1.310 3200 567 1317 2800 567 1.325 2500 567 1.333 2400 554 1.310 1800 436 1.263 1200 337 1.210 600 223 1.140 200 143 1.070 a) What factors affect the solubility of gas in crude oil? b) Plot the gas in solution versus pressure. e) Was the reservoir initially saturated or undersaturated? Explain d) Does the reservoir have an initial gas cap? e) In the region of 200 to 2500 psia, determine the solubility of the gas from your graph in SCF/STB/psi.
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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![1.18 Experiments were made on a bottom-hole sample of
the reservoir liquid taken from the LaSalle Oil Field to
determine the solution gas and the formation volume
factor as function of pressure. The initial bottom-hole
pressure of the reservoir was 3600 psia, and bottom-hole
temperature was 160 °F; so all measurements in the
laboratory were made at 160 °F. The following data,
converted to practical units, were obtained from the
measurements:
Solution gas [SCF/STB at Formation Volume
Factor
Pressure [psia]
14.7 psia and 60 °F]
Bbl/STB
3600
567
1.310
3200
567
1.317
2800
567
1.325
2500
$67
1.333
2400
554
1.310
1800
436
1.263
1200
337
1.210
600
223
1.140
200
143
1.070
a) What factors affect the solubility of gas in crude oil?
b) Plot the gas in solution versus pressure.
c) Was the reservoir initially saturated or undersaturated?
Explain
d) Does the reservoir have an initial gas cap?
e) In the region of 200 to 2500 psia, determine the
solubility of the gas from your graph in SCF/STB/psi.
n Suppose 1000 SCF of gas had accumulated with each
stock tank barrel of oil in this reservoir instead of 567
SCF. Estimate how much gas would have been in
solution at 3600 psia. Would the reservoir oil then be
called saturated or undersaturated?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2e2a579-c70f-4f21-ba47-8bc53a86c573%2F98035a4e-412e-43b2-9143-a16cae18b18a%2Fl7aif8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.18 Experiments were made on a bottom-hole sample of
the reservoir liquid taken from the LaSalle Oil Field to
determine the solution gas and the formation volume
factor as function of pressure. The initial bottom-hole
pressure of the reservoir was 3600 psia, and bottom-hole
temperature was 160 °F; so all measurements in the
laboratory were made at 160 °F. The following data,
converted to practical units, were obtained from the
measurements:
Solution gas [SCF/STB at Formation Volume
Factor
Pressure [psia]
14.7 psia and 60 °F]
Bbl/STB
3600
567
1.310
3200
567
1.317
2800
567
1.325
2500
$67
1.333
2400
554
1.310
1800
436
1.263
1200
337
1.210
600
223
1.140
200
143
1.070
a) What factors affect the solubility of gas in crude oil?
b) Plot the gas in solution versus pressure.
c) Was the reservoir initially saturated or undersaturated?
Explain
d) Does the reservoir have an initial gas cap?
e) In the region of 200 to 2500 psia, determine the
solubility of the gas from your graph in SCF/STB/psi.
n Suppose 1000 SCF of gas had accumulated with each
stock tank barrel of oil in this reservoir instead of 567
SCF. Estimate how much gas would have been in
solution at 3600 psia. Would the reservoir oil then be
called saturated or undersaturated?
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