Production Patterns of Eagle Ford Shale Gas: Decline Curve Analysis Using 1084 Wells

This paper analyzes and quantifies characteristic production behavior using historical data from 1084 shale gas wells in the Eagle Ford shale play from 2010 to 2014. Decline curve analysis, using Hyperbolic and Stretched Exponential models, are used to derive average decline rates and other characte...

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Bibliographic Details
Published in:Sustainability 2016-10, Vol.8 (10), p.973-973
Main Authors: Guo, Keqiang, Zhang, Baosheng, Aleklett, Kjell, Höök, Mikael
Format: Article
Language:English
Subjects:
Air pollution
Coal
decline curve
Eagle Ford
Energy consumption
Environmental protection
Exploitation
Fossil fuels
International trade
Natural gas
Outdoor air quality
Permeability
shale gas
Sustainability
well production
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Summary:This paper analyzes and quantifies characteristic production behavior using historical data from 1084 shale gas wells in the Eagle Ford shale play from 2010 to 2014. Decline curve analysis, using Hyperbolic and Stretched Exponential models, are used to derive average decline rates and other characteristic parameters for shale gas wells. Both Hyperbolic and Stretched Exponential models fit well to aggregated and individual well production data. The hyperbolic model is found to perform slightly better than the Stretched Exponential model in this study. In the Eagle Ford shale play, about 77% of wells reach the peak production of 1644-4932 mil cubic feet per day; the production decline rate of the first year is around 70%, and over the first two years it is around 80%; shale gas wells were estimated to yield estimated ultimate recoverable total resources of 1.41-2.03 billion cubic feet (20 years as life span), which is in line with other studies.
ISSN:2071-1050
2071-1050
DOI:10.3390/su8100973