Flowrate of a given fluid component or pseudo-component measured at separator
Whenever is used the fluid component / pseudo-component for which the surface flowrates is measured should be explicitly specified to avoid confusion, for example:
| Expression | Symbol | Meaning | ||||||||||||
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| Oil production rate |
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| Water production rate |
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| Water injection rate |
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| Gas injection rate |
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The surface flowrates are also used to calculate the total sandface flowrate at downhole conditions.