HW10 - Homework 10 PGE323k 40 points 1. Associating a Time...

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Homework 10 PGE323k 40 points 1. Associating a Time Scale. The figures below show the rate and pressure history of the primary depletion of a small reservoir to its economic limit. The total compressibility is 3 GPa -1 . The produced fluid is a slightly compressible undersaturated single-phase oil. 0 2 4 6 8 10 12 0 50 100 150 200 250 300 350 Time, days a. Give values for the plateau rate, the length of time of the constant rate period, the length of time required to attain stabilized flow, the limiting pressure, and the value for the economic limit. b. Estimate the productivity index and the time constant. 1 22.5 23 23.5 24 24.5 25 25.5 0 50 100 150 200 250 300 350 Time, days Average Well
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c. Estimate the pore volume drained, and the maximum possible cumulative oil recovered. 2. Depletion Behavior. This problem is entirely based on sketches of the primary depletion behavior of a slightly compressible oil in a sealed drainage area. There is no calculation required but your sketches should be as quantitative as possible. . The following figures are for a hypothetical reservoir A that is being drained by a vertical
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This note was uploaded on 02/13/2012 for the course PGE 323K taught by Professor Lake during the Spring '08 term at University of Texas.

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HW10 - Homework 10 PGE323k 40 points 1. Associating a Time...

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