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PGE 203
HWK 7 Solution
Due at start of lecture: April 19.
There are production data sets posted on black board.
The Curry data is an oil lease with multiple wells and the Schmidt data is a single gas well.
Using this data –
(1) In Excel please create a production decline curve for each data set. Use a logarithmic
scale for the y axis where rate per month is plotted.
(2) In Excel please create a P/z plot for the gas well.
(3) Fit an exponential trend line through the decline curve data and show the equation on the
graph.
(4) Fit a linear trend line through the P/z data and show the equation on the graph.
(5) Predict the oil recovery (Np) for the Curry if the economic limit is 10 STBO/month.
(6) Predict the gas and oil recovery (Gp and Np) for the Schmidt if the economic limit is 100
MScf/month.
(7) Using the trend line on the P/z graph, what is the original reservoir pressure and the
original gas in place (G) for the Schmidt?
Each of the three graphs are worth +1 point per graph.
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This note was uploaded on 11/03/2010 for the course PGE 203 taught by Professor Taylor during the Spring '08 term at University of Texas at Austin.
 Spring '08
 Taylor

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