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

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摘要

描述
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.
日期
来源 Sent to me personally
作者 Richard Banks
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(二次使用本文件)

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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.

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© 本文件的著作权人,Richard Banks,允许任何人在适当地表明著作权人的姓名的前提下,以任何目的使用本文件。传播,演绎作品,商业用途及所有其他用途被允许。
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Screenshot image generated by Forecasting, Economics and Graphics System (FEGS) decline curve analysis software. [1]

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05:08, 16 May 2012 1,408 × 1,050 (681,147 bytes) w:en:RainmakerUSA (留言 | 贡献) 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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