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The key objectives of Production Analysis is to predict understand the historical flowrate dynamics (and its components (components water cut Yw and gas-oil-ratio GOR) in the context of Well-Reservoir System (WRS) and predict its future dynamics in response to other dynamic variables.
Unlike well tests Well Tests which normally last for few hours or few weeks, PA Production Analysis usually covers a time period from few months to many years.
Some properties of Well-Reservoir System (WRS) can be assessed through both Production Analysis or Well Tests (for example, Productivity Index and drainage volume ) and some other properties are specific to either Production Analysis (for example, Watercut Diagnostics ) or Well Tests (for example, skin-factor).
Production Analysis is usually split into the following categories by objectives:
Well Flow Performance (WFM) |
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WOR Diagnostics |
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Waterflood Diagnostics | WRC Diagnostics | |||
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Productivity Diagnostics | GOR Diagnostics |
and into three categories by the mathematical methodology:
Empirical Production Data Analysis | Statistical Production Data Analysis | Physical Production Data Analysis |
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See
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also
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Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling
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[ Recovery Factor (RF) ] [ Depletion Factor (DF) ] [ Watercut Diagnostics ] [ GOR Diagnostics ]
[ Instantaneous Voidage Replacement Ratio (IVRR) ] [ Cumulative Voidage Replacement Ratio (CVRR) ] [ Voidage Replacement Balance (VRB) ]
[ Pressure Deconvolution ][ Capacitance Resistance Model (CRM) ] [ Pressure-Rate artificial neural network (PRANN) ]
References
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