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There are several product types in PHDwin. The product type will enforce certain rules for that product, such as the ability to apply prices or expenses to the product, or if the product should accumulate over time. These are some examples and properties associated with each product type.
Examples - TotalStateTax, IncomeTax
Description - Cash products are the names of cash formulas. For example - Cash formulas are used to calculate items such as taxes and royalties in PHDwin. TotalStateTax is a cash formula product. All cash formulas can be plotted on the graph. Shrinkage, prices, and expenses cannot be applied to cash formula products. They will never be added to a Phase Configuration. |
Examples - Days on, hours on
Description - A product that has values that accumulate over time and across cases. The units will be # hours, days, etc. Prices and expenses can be applied to these products. They can be scheduled historically and projected into the future. |
Examples - Gas, Sales Gas, CO2
Description - Used to represent any product that is a gas volume. Gases are separate from other volume based products, because they have special needs such as the ability to apply an Energy Factor. The Energy Factor is described as the amount per unit volume of gas that can be burned off. The higher the Energy Factor, the more efficient the burning. Shrinkage, prices, and expenses can be applied to gas products. They can be scheduled and will accumulate over time. |
Examples - Oil, Water, Sulfur
Description - Volume based products that are not gas. Shrinkage, prices, and expenses can be applied to fluids/solids products. They can be scheduled and will accumulate over time. |
Examples - Yield, GOR, WOR, NGL Yield
Description - Direct ratio of two volume products. The units have a numerator and denominator. Ratios cannot be accumulated over time or across cases. Shrinkage, prices, and expenses cannot be applied to ratio products. Historical values cannot be scheduled, but the future values can be projected. |
Examples - Oil Cut, Water Cut
Description - A product that has values that do not accumulate over time. The unit is typically a percentage. Shrinkage, prices, and expenses cannot be applied to scalar products. Historical values cannot be scheduled, but the future values can be projected. |
Examples - FTP (Flow Tubing Pressure), SITP (Shut-in Tubing Pressure), Choke, Test Gas, BHP/Z (Bottom Hole Pressure divided by the Gas Deviation Factor), CSGP (Casing Pressure), SIBHP (Shut-in Bottom Hole Pressure)
Description - Products that are keyed in by zone and case and not used by economic calculations at all. User defined test products can be added as well. |
Examples - Total Wells, Case
Description - Special version of the scalar product. It is different because although it is not accumulated over time, prices or expenses can be applied to it. The value for total wells can be projected on the graph and will always be rounded up to the nearest integer if it is projected. The value of case is always equal to 1. |