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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
Application
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Advantages
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Goals
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| Identify and prioritise production optimization opportunities |
| Identify and prioritise redevelopment opportunities |
| Identify and prioritise surveillance opportunities |
Objectives
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| Generate production and formation pressure forecasts based on the bottom-hole pressure and injection rates |
| Assess productivity index of producing wells |
| 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 |
Advantages
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| Fast-track |
| Based |
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| on the robust input data |
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Does not involve full-field 3D dynamic modelling and associated assumptions |
Limitations
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| It only models injector-producer system |
| Requires eventful |
| history of injection rates variations |
| 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 in producers.
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https://doi.org/10.2118/177106-MS
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