PR-07Fundacional
Asignación y Retroasignación de Producción
Splits the metered facility total back to individual wells with a documented, repeatable method instead of a spreadsheet nobody can audit.
Producción y Levantamiento ArtificialDominioTI
PR-06IntermediaOla 2IADominio
Medición Virtual de Flujo
En una frase
Estimates each well’s oil, water and gas rate continuously from pressure and temperature, between the physical tests.
El problema
A well is physically tested once or twice a month, and that single measurement is carried as the well’s rate for the entire period. Any change in between is invisible, and allocation error accumulates against it.
Cómo funciona
A hybrid model couples a mechanistic multiphase flow calculation across the choke and tubing with a data-driven correction trained on the well’s own test history. Estimates carry uncertainty, and the model reports when it has drifted far enough from the last test to need a new one.
Datos necesarios
- Wellhead pressure and temperature at high frequency, upstream and downstream of the choke
- Choke position with a calibrated Cv curve
- Well test history with test quality flags
- PVT properties and completion geometry
Qué obtiene
- Continuous three-phase rate estimate per well with uncertainty band
- Drift alert recommending a physical test
- Improved allocation input for the production accounting system
Qué no puede hacer
Virtual metering is a supplement to physical testing, not a replacement for it, and it should never be used as a fiscal measurement. Accuracy degrades when the well moves outside the conditions covered by its test history, particularly during rapid water-cut change, and choke Cv drift on eroded chokes is a persistent source of bias that only recalibration fixes.
Cada página de capacidad declara una limitación real. Si un proveedor no puede decirle dónde termina su producto, no le están diciendo la verdad sobre dónde empieza.
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