Q3- An oil reservoir is located between two intersecting faults as shown below. The reservoir shown is bounded by an aquifer estimated by geologists to have an area of 4500 acres. Other aquifer data are as follows: k= 300 md, aquifer Hw= 0.9 cp, h=30 ft, +20%, C =5x10“ psi". Oil 200 acres Fault Fault 60 The average reservoir pressure, measured at three-month interval, is as follows: Use the Fetkovich methods to calculate the water influx that occurred during each of the three- month intervals. Assume that the average reservoir pressure history approximates the oil reservoir- aquifer boundary pressure history.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Q3-
An oil reservoir is located between two intersecting faults as shown below. The reservoir
shown is bounded by an aquifer estimated by geologists to have an area of 4500 acres.
aquifer
Other aquifer data are as follows:
k= 300 md,
Aw= 0,9 ep,
h=30 ft,
+20%,
C =5x10“ psi".
Oil
200 acres
Fault
Fault
60
The average reservoir pressure, measured at three-month interval, is as follows:
Use the Fetkovich methods to calculate the water influx that occurred during each of the three-
month intervals. Assume that the average reservoir pressure history approximates the oil reservoir-
aquifer boundary pressure history.
Time (day) aquifer boundary pressure (psia)
2987
91.3
2962
182.6
2927
273.9
2882
365.2
2837
Transcribed Image Text:Q3- An oil reservoir is located between two intersecting faults as shown below. The reservoir shown is bounded by an aquifer estimated by geologists to have an area of 4500 acres. aquifer Other aquifer data are as follows: k= 300 md, Aw= 0,9 ep, h=30 ft, +20%, C =5x10“ psi". Oil 200 acres Fault Fault 60 The average reservoir pressure, measured at three-month interval, is as follows: Use the Fetkovich methods to calculate the water influx that occurred during each of the three- month intervals. Assume that the average reservoir pressure history approximates the oil reservoir- aquifer boundary pressure history. Time (day) aquifer boundary pressure (psia) 2987 91.3 2962 182.6 2927 273.9 2882 365.2 2837
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