Breaking Down the AFE Definition in Oil and Gas

If you're looking for a clear afe definition oil and gas pros actually use on the rig and in the office, you've probably realized it's a bit more than just a simple line item on a spreadsheet. In the world of energy exploration, money moves fast, and the risks are high. You can't just start drilling a multi-million dollar well and hope the bill at the end is reasonable. You need a roadmap, a permission slip, and a budget all rolled into one. That's where the AFE, or Authorization for Expenditure, comes into play. ...

May 16, 2026 · 6 min · Ogden Valentine