Petroleum production decline forecasting for Excel

Easy Well is an easy-to-use add-in for Microsoft Excel which adds petroleum production decline forecast capabilities to your spreadsheet. With the Easy Well Excel add-in sorftware installed, you can use Easy Well functions to forecast the future production from an oil well.

Two Easy Ways to Create Functions

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As an Excel Function
With Easy Well software you can generate decline forecasts using built in spreadsheet functions. Like any other Excel functions, simply type in the function name and the required parameters.
Built in Function Writer
The Easy Well Function Writer can easily and visually help you create a decline function. This intuitive function writer calculates well information, graphs the forecast and writes the function for you.

An Excel Spreadsheet Tool

Use Easy Well as a spreadsheet tool to quickly generate petroleum forecasts. The steps are simple, like any other Excel functions, simply type in the function name, enter at least two required parameters (initial production rate and annual decline rate) and any optional parameters (decline exponent, economic minimum rate, rate constraints, etc.) and in seconds you have a created a petroleum decline forecast right in your spreadsheet.

Easy Well Function Writer

Not sure what the order of parameters are? Highlight any cell in the forecast, choose EZOIL from the Easy Well menu, and a function writer comes up that shows you all of the possible parameters. This easy-to-use function writer calculates well information such as expected ultimate recovery, production length and graphs the forecasted production. Add, change, or link any parameters right in the function writer, when you are satisfied, the function parameters are automatically updated in the spreadsheet.

Easy Well vs. Forecasting Software Packages

According to a recent survey, “more then half of forecasters surveyed use either solely spreadsheet packages (60.4%) or in combination with one or more forecasting software packages.” Many forecasters need the simplicity and flexibility of a spreadsheet to customize the economics to each properties unique fiscal terms. For these people, expensive forecasting software is often used to generate well decline profiles that are then exported to a spreadsheet so the economics can be run. Use the Easy Well Excel Add-in to integrate your decline projections with your economics. With Easy well you can create, edit, and change the decline profile — all from within the spreadsheet.

A Powerful Forecasting Tool Made Simple

Don’t let the name deceive you, Easy Well is a powerful forecasting tool. Analyze up to four unique production streams per well, commingle zones, and apply rate constraints with Easy Well. Not sure what it all means? Just press the graph button to see visually how each parameter affects the forecast. Fine-tune your forecasts by adjusting any variable, Easy Well automatically recalculates the recoverable reserves to create the most accurate picture. Need to match volumetric or reservoir simulation recoverable reserves? Solve for initial production rate, annual decline rate, or decline exponent with the Easy Well function writer. The flexibility of this tool enables you to create the most accurate picture possible in the most time effect manner.










 

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Screen Shots
(click to enlarge)

Spreadsheet Function
 
EZOIL Function Writer
 
EZOIL Output Screen
 
EZOIL Graph Screen
 
EZEUR Function Writer
 
EZOIL Recompletion Tab
 
EZOIL Commingle Tab










 
Variables
Initial Production Rate
Annual Effective Decline Rate
Decline Curve Exponent
Minimum Rate Economic Limit
Choked Production Ramp up
Maximum Rate Constraints
Maximum Time on Production
Forecast Start Date
Production Start Date
Time off Production for Drilling
Functionality
Creates up to four unique production streams
Commingles multiple Zones
Automatically calculates recoverable reserves, production length, end date and final production rate
Graphs production profile
Built in solver for matching volumetric and reservoir simulation profiles
Output Format
Monthly or Yearly Outputs
Horizontal or Vertical Output Arrays
Cumulative Production (mbo) or Average Daily Production Rate (bopd)