Reservoir volume around the well where the reservoir flow is initiated by production or injection from a given well or group of wells.
There are two major types of the drainage volumes:
Dynamic drainage volume | which is formed dynamically depending on the nearby well production and injection |
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Potential drainage volume | which can be formed in case a given well is working alone on the whole field (no interference with other wells) |
See also
Physics / Fluid Dynamics / Percolation
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling / Drainage (fluid flow)