Test3Fall09 - 1 PGE 312 - FALL 2009 Physical and Chemical...

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1 PGE 312 - FALL 2009 Physical and Chemical Behavior of Petroleum Fluids I Test 3, 50 Minutes Closed Book Note: It will be in your best interest to attempt all the questions. Please budget your time accordingly. 1. ( 20 points ) Your company has discovered a dry gas reservoir with the following characteristics: Reservoir area = 2 miles x 1 mile Reservoir thickness = 250 ft Initial reservoir pressure = 5000 psia Reservoir temperature = 200 F Average porosity = 15% Average water saturation = 20% Initial gas Z-factor = 1.01 Calculate the initial gas in place in standard cubic feet. Notes: 1 mile = 5280 feet 1 square mile = 640 acres
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2 ( 15 points ) Figure 1 shows the production performance of a dry gas reservoir with no water influx. a. Determine the initial gas in place in standard cubic feet (scf). b. Predict the gas recovery factor in % if the gas field will be abandoned at a P/Z of 2000 psia. P/Z vs Gp Plot
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This note was uploaded on 11/27/2011 for the course PGE 312 taught by Professor Peters during the Spring '08 term at University of Texas.

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Test3Fall09 - 1 PGE 312 - FALL 2009 Physical and Chemical...

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