### Skin Model

Mechanical/Geometrical Skin If a reliable skin value is available from transient well testing, then this value should be directly entered…

### Well Inflow Performance

Well Inflow Performance represents the relationship between pressure and flow rate at the well face of an individual well. The…

### Introduction to IPR and VLP

Read All Detail Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā  –Ā  Ā  Ā  Ā  Ā  Ā  Ā  Ā …

### Vogelās inflow performance relationship

In 1968, Vogel established an empirical relationship ( Vogelās inflow performance relationship )for flowrate prediction of a solution gas-drive reservoir…

### The Composite Inflow Performance Relationship

The Composite Inflow Performance RelationshipĀ is based on the combination of PI model, presented in the previous articles āWell Inflow Performanceā,…

Pressure and depth: āPressure and DepthāĀ is the FUNDAMENTAL relationship in the oil industry. Your understanding of the concept is crucial….

### Pressure drawdown & Skin Factor

Pressure Drawdown: Pressure Drawdown (āP) isĀ defined as the difference between the static bottom hole pressure (SBHP) and the flowing bottom…

### Multiphase Flow Properties & Pressure Gradient Calculation

For oil wells, the main component of pressure loss is the gravity or hydrostatic term. Ā Calculation of the hydrostatic pressure…

### Multiphase flow correlations

The primary purpose of a multiphase flow correlations is to predictĀ the liquid holdupĀ (and hence the flowing mixture density) and the…

### Outflow Performance Correlation Selection

There is no universal rule for selecting the best flow correlation for a given application. When an outflow performance simulator…

### Multiphase correlations References

Multiphase correlations References: nĀ° Correlation Description Reference 1 Anand, et al Predicting Thermal Conductivities of Formations from Other Known Properties….

### Pressure loss calculations through a conduit

Whenever a fluid flows through a conduit pressure loss occurs. Many methods are available to calculate frictional pressure losses. They…