Flowrate of a specific fluid component(s) or pseudo-component(s) measured at SPE Standard Conditions (STP).
Whenever is used the fluid component / pseudo-component for which the surface flowrates is measured should be explicitly specified to avoid confusion, for example:
Property | Symbol | Meaning |
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Oil production rate | ||
Water production rate | ||
Water injection rate | ||
Gas injection rate |
The surface flowrates are also used to calculate the total sandface flowrate at downhole conditions.
In case of Volatile Oil Reservoir the relation to sandface flowrates and mass flowrates are detailed in Volatile Oil Fluid @model.
The key equations are given below:
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing (WT) / Flowrate Testing / Flowrate
[ Well & Reservoir Surveillance ]
[ Surface flowrates ] [ Oil surface flowrate ] [ Gas surface flowrate ] [ Water surface flowrate ] [ Liquid production rate ]
[ Sandface flowrates ] [ Oil sandface flowrate ] [ Gas sandface flowrate ] [ Water sandface flowrate ] [ Total sandface flowrate ]