File:Decline curve analysis software image of exponential decline - hyperbolic decline.jpg

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Summary

Description
English: Decline curve generated by decline curve analysis software, utilized in oil economics and petroleum economics to indicate the depletion of oil & gas in a Petroleum reservoir.

The Y axis is a semi log scale, indicating the rate of Oil depletion (green line), and gas depletion (red line). The X axis is a coordinate scale, indicating time in years and displays the production decline curve. The top red line is the gas decline curve, which is a hyperbolic decline curve. Gas is measured in MCF (Thousand cubic feet). The lower Blue line is the oil decline curve, which is an exponential decline curve. Oil is measured in BBL, or Oil barrels. Data is from actual sales, not pumped production. The dips to zero indicate there were no sales that month, likely because the Oil well did not produce a full tank, and thus was not worth a visit from a Tank truck.

The upper right Legend (map) displays CUM, which is the cumulative gas or oil produced. ULT is the ultimate recovery projected for the well. Pv10 is the Discounted present value of 10%, which is the Future value of the remaining lease, valued for this oil well at $1.089 M USD.
Date
Source Sent to me personally
Author Richard Banks
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(Reusing this file)
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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
Other information
English: It is a screenshot from a software product and is used For critical commentary. The software that generated the image is Forecasting, Economics and Graphics System, a decline curve analysis software program.

Licensing

© The copyright holder of this file, Richard Banks, allows anyone to use it for any purpose, provided that the copyright holder is properly attributed. Redistribution, derivative work, commercial use, and all other use is permitted.
Attribution:
Screenshot image generated by Forecasting, Economics and Graphics System (FEGS) decline curve analysis software. [1]

Original upload log

Transferred from en.wikipedia to Commons using For the Common Good.

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
05:08, 16 May 2012 1,408 × 1,050 (681,147 bytes) w:en:RainmakerUSA (talk | contribs) Decline curve generated by decline curve analysis software, utilized in [[oil economics]] and [[petroleum economics]] to indicate the depletion of oil & gas in a [[Petroleum reservoir]]. The Y axis is a semi log scale, indicating the rate of [[Oil de...


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current00:04, 12 July 2014Thumbnail for version as of 00:04, 12 July 20141,408 × 1,050 (665 KB)Josve05aTransferred from en.wikipedia: see original upload log above
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