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Well Productivity and ESP Selection

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Questions and Answers

What is the purpose of determining the Total Dynamic Head (TDH) in the operation of an ESP pump?

To determine the total head to be overcome by the ESP pump.

What is the true vertical depth (TVD) of the dynamic liquid level equal to?

The pump intake pressure (PIP) assuming an oil column exists in the annulus above the pump setting depth.

What is the general rule of thumb for the minimum fluid over the pump (FOP) required for proper pump operation?

At least 500 ft of fluid over the pump.

What is the purpose of Fig A in estimating the frictional head loss in the tubing string?

To plot the head loss for 1,000 ft of pipe length versus liquid rate. Signup and view all the answers

What is the unit of measurement for the Total Dynamic Head (TDH) calculated in the formula?

Feet (ft) Signup and view all the answers

What is the purpose of determining the specific gravity of water and oil in well productivity?

To determine the well's fluid properties and calculate the flow rate and pressure in the well. Signup and view all the answers

What is the significance of the flowing tubing head pressure (FTHP) in well performance data?

It is used to determine the well's productivity and to calculate the pressure at the pump's intake. Signup and view all the answers

How is the solution gas-oil ratio calculated at the pump intake?

Using Standing's bubble point pressure correlation. Signup and view all the answers

What is the purpose of knowing the well's physical data, such as casing and liner sizes, in well productivity?

To determine the optimal pump size and setting for the well. Signup and view all the answers

What is the importance of knowing the fluid properties, such as viscosity and API gravity, in well productivity?

To determine the fluid's behavior and flow rate in the well, and to optimize pump performance. Signup and view all the answers