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Production data for a well has been plotted on semi-log paper and the data appears to be concave up. Careful analysis indicates that the well is declining hyperbolically. Your best fit has a "b" of 0.7, qi of 312 bopd, and a D of 0.75/year on October 1, 2020. Actua

Production data for a well has been plotted on semi-log paper and the data appears to be concave up. Careful analysis indicates that the well is declining hyperbolically. Your best fit has a "b" of 0.7, qi of 312 bopd, and a D of 0.75/year on October 1, 2020. Actua

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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5-6 Production data for a well has been plotted on semi-log paper and the data appears to be concave up. Careful analysis indicates that the well is declining hyperbolically. Your best fit has a "b" of 0.7, qi of 312 bopd, and a Di of 0.75/year on October 1, 2020. Actual production between July 1, 2020 (the first month of production) and 1/1/22 is 132,124 Bbl. a) What are the flow rate (bopd), decline rate (1/year), and "b" on 1/1/22? b) Effective 1/1/22, how many barrels are remaining if the economic limit is 3 bopd? c) What are qi and Di as of 7/1/20? d) Using the hyperbolic fit of the data, what would be the production between 7/1/20 and 1/1/23? e) What is the EUR for this well (qel = 3 bopd)?
Transcribed Image Text:5-6 Production data for a well has been plotted on semi-log paper and the data appears to be concave up. Careful analysis indicates that the well is declining hyperbolically. Your best fit has a "b" of 0.7, qi of 312 bopd, and a Di of 0.75/year on October 1, 2020. Actual production between July 1, 2020 (the first month of production) and 1/1/22 is 132,124 Bbl. a) What are the flow rate (bopd), decline rate (1/year), and "b" on 1/1/22? b) Effective 1/1/22, how many barrels are remaining if the economic limit is 3 bopd? c) What are qi and Di as of 7/1/20? d) Using the hyperbolic fit of the data, what would be the production between 7/1/20 and 1/1/23? e) What is the EUR for this well (qel = 3 bopd)?
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