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- productivity index of producer stays constant in time
- dynamic drainage volume of producer is finite and constant in time (which is equivalent to PSS flow regime)
- total compressibility within the drainage volume of a given producer stays constant in time
Goals | Goals | Objectives |
Identify and prioritise production optimisation opportunities | Generate production and formation pressure forecasts based on the bottom-hole pressure and injection rates | |
Identify and prioritise redevelopment opportunities | Assess productivity index of producing wells | |
Identify and prioritise surveillance candidates | Assess dynamic drainage volume around producing wells | |
Quantify connectivity between injectors and producers | ||
Assess water flood efficiency against expectations and / or between wells or well groups |
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Advantages |
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Limitations | |
Fast-track | It only models injector-producer system |
Based on the robust input data | Requires eventful history of injection rates variations |
Does not involve full-field 3D dynamic modelling and associated assumptions |
Limitations
It only models injector-producer system
eventful history of injection rates variationsRequires
Requires |
productivity index of producers to stay constant | |
Requires production sharing between producers stay approximately the same throughout the time |
Technology
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CRM trains linear correlation between variation of production rates against variation of injection rates with account of bottom-hole pressure history records in producers.
against material balance and require current FDP volumetrics, PVT and SCAL models.
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See Capacitance-Resistivity Model @model
Inputs | Outputs |
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Production rate history | Productivity Index for the focus producer |
Bottom-hole pressure history | Drainage volume by the focus produce producer |
Injection rate history | Share of injection going towards the focus producer |
PVT model |
See Also
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Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis
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