Package neqsim.process.fielddevelopment.economics


package neqsim.process.fielddevelopment.economics
Economics package for field development analysis.

This package provides comprehensive economic modeling capabilities for oil and gas field development, including:

  • NorwegianTaxModel - Norwegian Continental Shelf petroleum tax model with corporate tax, special petroleum tax, and uplift deductions
  • CashFlowEngine - Full-lifecycle cash flow generation with NPV, IRR, and breakeven analysis

Norwegian Petroleum Tax Model

The Norwegian tax regime features:

  • 22% corporate tax on net income
  • 56% special petroleum tax on petroleum extraction income
  • Uplift deduction of 5.5% per year for 4 years (22% total)
  • 6-year straight-line depreciation for offshore investments

Cash Flow Analysis

The cash flow engine supports:

  • Year-by-year cash flow generation
  • Net Present Value (NPV) calculation
  • Internal Rate of Return (IRR) calculation
  • Breakeven price analysis
  • Payback period calculation

Example Usage

// Create tax model
NorwegianTaxModel taxModel = new NorwegianTaxModel();

// Calculate tax for a single year
NorwegianTaxModel.TaxResult result = taxModel.calculateTax(500.0, // Gross revenue (MUSD)
    100.0, // OPEX (MUSD)
    80.0, // Depreciation (MUSD)
    44.0 // Uplift deduction (MUSD)
);

System.out.println("After-tax income: " + result.getAfterTaxIncome());
Version:
1.0
Author:
ESOL