When capital moves into a drilling project, it moves against a specific document called an Authorization for Expenditure, or AFE. For working interest investors, the AFE is the single most useful piece of paper the operator will ever hand them. It says what the operator plans to do, what it will cost, and what share of that cost each partner is being asked to fund. Investors who know how to read an AFE evaluate opportunities faster and catch problems earlier than those who treat it as a formality.
United Exploration, LLC is an independent oil and gas company based in Southlake, Texas, that partners with accredited investors on developmental drilling projects across proven U.S. basins. Our management team has participated in the development of more than 150 wells, and clear AFE reporting is a standard part of how we work with partners on every project. This post walks through what an AFE is, what it contains, and how to read one from an investor's perspective.
What Is AFE When Investing in Oil and Gas?
An Authorization for Expenditure (AFE) is a formal cost estimate and authorization document that the operator of a well provides to non-operating working interest partners. It outlines the expected capital and operating costs of a proposed activity, such as drilling a new well, completing or reworking a well, or building surface facilities, and it asks each partner to approve or decline participation before capital is committed. The AFE is the primary tool working interest investors use to evaluate scope, timing, and cost exposure on any project before signing on.
Some industry references call the same document an Authority for Expenditure. The terms are used interchangeably, and both refer to the same instrument.
Who Prepares the AFE
The operator of the well, the company responsible for the physical drilling, completion, and day-to-day management of the project, prepares and provides the AFE. That operator is the party actually in the field, and the AFE reflects the operator's estimate of what the work will cost and how it should be executed. The AFE is then distributed to every working interest partner in the project for review.
What an AFE Typically Contains
A well-constructed AFE lets a working interest investor see the entire project at a glance. Standard elements include:
- Project description: What the operator plans to do, and the technical rationale for the work.
- Cost breakdown by category: Itemized estimates for each phase of the operation, generally split between tangible and intangible costs.
- Working interest allocations: Each partner's proportional financial obligation, based on their ownership percentage.
- Timing and schedule: Proposed dates for spud, completion, and expected first production.
- Approval deadline: A specified window in which non-operating partners must respond.
- Contingency line item: A financial buffer for issues that might arise during execution.
AFEs are issued in accordance with the project's Joint Operating Agreement (JOA), which governs how decisions are made, how costs are billed, and what happens if a partner elects to go non-consent on a specific operation.
Tangible vs. Intangible Costs on an AFE
The most important line-item distinction on an AFE for investors is between tangible and intangible drilling costs. The two categories carry very different tax treatments, and understanding the split is essential to evaluating after-tax economics.
Intangible costs typically represent roughly 60% to 80% of a well's total cost. Because IDCs are deductible in year one under current U.S. tax rules, the tangible/intangible split on an AFE has real consequences for how much of an investor's capital converts to a first-year deduction. Tax outcomes depend on individual circumstances, so investors should confirm treatment with their CPA before assuming a specific figure.
Why AFEs Matter to Working Interest Investors
Working interest investors are financial partners in the project, not passive recipients of a share of revenue. They are on the hook for their share of costs, whether the well produces as planned or falls short. The AFE is the document that defines what they are being asked to fund and lets them decide whether the project deserves their capital.
Three things the AFE does for an investor:
- Defines the financial commitment: The AFE spells out exactly how much capital is being requested, how it will be spent, and what the expected outcomes are. That information is what allows a working interest investor to evaluate whether the projected return justifies the risk.
- Provides cost control and transparency: Because the operator has to present a reasoned estimate before spending, investors have a benchmark. Once the work is complete, actual costs from joint interest billing can be compared against the AFE to identify overruns, savings, or execution problems.
- Supports portfolio-level risk management: Investors participating across multiple wells or projects use AFEs to compare economics, prioritize allocations, and track cumulative capital exposure across their working interest portfolio.
What to Look for When Reviewing an AFE
- Clarity of the cost breakdown: Line-item detail should be sufficient to understand where every dollar is going. Vague catch-all categories are worth questioning.
- Reasonable contingency: Complex projects need larger contingency buffers. A very thin contingency on a technically challenging well is a signal to ask more questions.
- Alignment with operator experience: Cost estimates should reflect the operator's real experience in the basin. Numbers wildly different from comparable wells nearby deserve scrutiny.
- Non-consent provisions in the JOA: Know what happens if you decline to fund a particular AFE. Non-consent penalties vary by JOA and can materially affect your interest in the project.
- Timing of capital calls: The AFE approval deadline and the actual funding schedule matter for cash management.
For a broader view of the operational and financial metrics working interest investors track after an AFE is approved, our post on crucial KPIs for upstream oil and gas covers the numbers that matter once the well is on the ground.
Who Provides the AFE Document in Oil and Gas Investing Opportunities?
The operator of the well, the company responsible for the physical drilling, completion, and day-to-day management of the project, prepares and provides the AFE (Authorization for Expenditure). That responsibility belongs to the operator because the operator is closest to the actual work. They contract the rig, hire the crews, source the casing and tubing, and manage the schedule. Their cost estimate carries weight precisely because they are the ones on the ground executing.
Non-operating working interest partners receive the AFE from the operator and either approve, decline, or go non-consent according to the terms of the Joint Operating Agreement. In some investment structures, an independent oil and gas firm sits between the operator and the investor partners, evaluating AFEs against basin norms, negotiating on behalf of the partnership, and providing a second layer of review before the AFE reaches the individual investor.
How United Exploration Handles AFEs for Partners
United Exploration develops projects alongside experienced operators, including established firms like Devon Energy and Ovintiv, Inc. When an operator issues an AFE for a project we are participating in, our team reviews it against basin norms, prior well performance in the area, and the geologic and engineering assumptions behind the numbers before capital is committed on behalf of our partnership. Our accredited investor partners receive clear reporting throughout the project, including the AFE for each well, so they know exactly what they are funding and can track actual costs against estimates as the work progresses.
For accredited investors evaluating a private oil and gas offering, the way a firm handles AFE documentation is a useful proxy for how it handles investor communications generally. If AFEs are clear, itemized, and provided in advance, the rest of the reporting relationship tends to reflect the same discipline. To learn more, visit our About Us page or request an investment overview.
Conclusion
The Authorization for Expenditure is the single most concrete piece of documentation a working interest investor receives before committing capital to a specific drilling project. It defines the scope, breaks down costs into tangible and intangible categories with different tax treatments, allocates each partner's share, and sets the timeline for approval and execution. Investors who understand how to read one make better decisions, catch inconsistencies earlier, and hold operators accountable across the life of the project. If you want to see how United Exploration presents AFEs to its partners across its current opportunities, contact our team.
Frequently Asked Questions
1. Is the AFE legally binding once I approve it?
Approving an AFE generally commits you to fund your working interest share of the estimated costs, subject to the terms of the Joint Operating Agreement. Actual costs may vary from the estimate, and supplemental AFEs may be issued if the project exceeds contingency limits. Your specific obligations are governed by the JOA and the AFE approval language, so review both carefully before signing.
2. What happens if the actual cost exceeds the AFE estimate?
Cost variances are common in drilling projects. Small variances within the contingency are generally absorbed within the approved AFE. Larger overruns typically require the operator to issue a supplemental AFE, giving working interest partners the opportunity to review and approve the additional expenditure. The JOA sets out the specific process.
3. Can I decline to participate in a specific AFE?
Yes, in most JOAs. This is often called going "non-consent" on that operation. Non-consent partners typically forfeit revenue from that particular well or receive it only after the consenting partners have recovered their non-consent penalty. The penalty amount and mechanics vary by agreement, so understand the terms before declining an AFE.
4. How does an AFE differ from a joint interest billing?
An AFE is a forward-looking cost estimate and authorization issued before work begins. A joint interest billing (JIB) is a statement of actual incurred costs sent to working interest partners after work has been performed, usually on a monthly cycle. Investors use the AFE as the benchmark against which JIB amounts are evaluated.
5. Do all oil and gas projects use AFEs?
AFEs are standard practice for operations involving multiple working interest owners, particularly under a Joint Operating Agreement. Wholly owned operations may use internal capital expenditure approvals rather than formal AFEs, but any project with outside working interest partners should be using them.
6. What should I do if an operator won't provide an AFE?
Push back and, if the answer stays vague, treat it as a serious concern. AFEs are standard, expected, and non-controversial in legitimate oil and gas partnerships. An operator or sponsor unwilling to provide documented cost estimates before asking for capital is not operating on industry norms.
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