Kontix-blog-one-calender-icon-webflow-ecommerce-template
September 11, 2025

The Depletion Allowance: The Tax Code’s Reward for Resource Ownership

If you’ve invested in real estate, you’re likely familiar with depreciation: a non-cash tax deduction that recognizes the gradual loss of value in a physical asset over time. In the oil and gas world, there’s a parallel concept—but it goes even further.

It’s called the depletion allowance, and for investors who own mineral rights or working interests, it can significantly reduce the tax burden on production income. Unlike depreciation, this deduction isn’t based on physical wear and tear—it’s based on the natural decline of a finite resource.

Let’s take a closer look at what the depletion allowance is, how it works, and why it’s so valuable for energy investors.

What Is the Depletion Allowance?

The depletion allowance is a tax deduction available to investors in extractive industries—such as oil, gas, and mining. It allows owners of these resources to deduct a portion of the income derived from production as a recognition that the asset is being permanently diminished.

This isn’t just a tax technicality—it’s a powerful incentive meant to encourage private investment in domestic energy production.

In plain terms:

If you earn $100,000 from a producing oil well, the IRS lets you treat $15,000 of that income as tax-free under current law.
Kontix-blog-image-webflow-ecommerce-template

Two Methods of Calculating Depletion

There are two ways to calculate the depletion allowance: cost depletion and percentage depletion.

1. Cost Depletion

This method is precise but complex. It involves:

  • Estimating total recoverable reserves
  • Calculating the percentage extracted in a given year
  • Applying that percentage to your investment cost basis

It’s often used by large companies with detailed engineering teams. For most individual investors, though, there’s a better path.

2. Percentage Depletion

This is the method most commonly used by small and mid-sized energy investors. Instead of calculating based on actual reserves, the IRS allows you to deduct a flat percentage—currently 15%—of the gross income from the property each year.

Here’s why this matters:

  • It’s not tied to your cost basis, so deductions can continue even after you’ve fully recovered your investment.
  • The more the asset produces, the more you can deduct.
Think of it as a built-in, recurring tax shelter on your oil and gas income.

Real-World Impact for Investors

Let’s say you earn $120,000 in production income from a series of wells where you hold a working interest.

With percentage depletion:

  • 15% of that income—$18,000—is considered tax-free.
  • You only pay tax on the remaining $102,000.

For investors in top tax brackets, this represents thousands in annual savings, year after year.

It’s particularly beneficial in high-production years or when oil prices are elevated, as the deduction scales with gross revenue.

Eligibility Requirements

While percentage depletion is broadly available, there are some important limitations:

  • The well must be domestically located (U.S. production only).
  • Only certain types of ownership qualify—working interest and mineral ownership, not passive royalty interests in partnerships.
  • There are income-based limits that phase out the benefit for extremely large producers (not typical for individual investors).
  • You can’t deduct more than 100% of your income from the property.

That said, most accredited investors participating through direct ownership or properly structured partnerships can and do benefit from percentage depletion.

Why It Works So Well with Other Deductions

One of the reasons the depletion allowance is so valuable is because it works in tandem with other oil and gas tax benefits.

For example:

  • Year one: You may deduct 65–85% of your investment through Intangible Drilling Costs (IDCs).
  • Ongoing years: You continue deducting 15% of your income annually via depletion.

That’s not just front-loaded savings—it’s a long-term efficiency strategy.

Unlike many investment vehicles that become less tax-efficient over time, oil and gas investments can remain tax-advantaged for the life of the asset.

Strategic Planning Tip: Pair with High-Income Years

Because depletion reduces taxable income tied to production, investors can strategically time investments in projects expected to deliver strong near-term cash flow. For those in high tax brackets, this deduction can significantly smooth out or offset spiky income years.

It’s especially useful for:

  • Entrepreneurs post-exit
  • Executives with large bonus years
  • Real estate investors with capital gains events
  • High-income professionals planning for retirement distributions

By layering depletion on top of other deductions, it’s possible to reduce effective tax rates well below ordinary income levels.

Conclusion

The depletion allowance is one of the clearest examples of the tax code working in favor of real asset ownership. It recognizes the finite nature of natural resources—and rewards those who invest in their responsible extraction.

For high-net-worth individuals seeking passive income, tax efficiency, and exposure to American energy, this deduction is more than a technical footnote. It’s a core driver of long-term, after-tax performance.

At Basin Ventures, we structure every deal with these benefits in mind—because tax-aware investing isn’t just smart, it’s strategic.

Ready to explore how depletion and other tax benefits could work in your portfolio?

Kontix-blog-image-webflow-ecommerce-templateKontix-blog-image-webflow-ecommerce-template
Tim Davis
Co-Founder and Managing Partner

If you’ve invested in real estate, you’re likely familiar with depreciation: a non-cash tax deduction that recognizes the gradual loss of value in a physical asset over time. In the oil and gas world, there’s a parallel concept—but it goes even further.

It’s called the depletion allowance, and for investors who own mineral rights or working interests, it can significantly reduce the tax burden on production income. Unlike depreciation, this deduction isn’t based on physical wear and tear—it’s based on the natural decline of a finite resource.

Let’s take a closer look at what the depletion allowance is, how it works, and why it’s so valuable for energy investors.

What Is the Depletion Allowance?

The depletion allowance is a tax deduction available to investors in extractive industries—such as oil, gas, and mining. It allows owners of these resources to deduct a portion of the income derived from production as a recognition that the asset is being permanently diminished.

This isn’t just a tax technicality—it’s a powerful incentive meant to encourage private investment in domestic energy production.

In plain terms:

If you earn $100,000 from a producing oil well, the IRS lets you treat $15,000 of that income as tax-free under current law.

Two Methods of Calculating Depletion

There are two ways to calculate the depletion allowance: cost depletion and percentage depletion.

1. Cost Depletion

This method is precise but complex. It involves:

  • Estimating total recoverable reserves
  • Calculating the percentage extracted in a given year
  • Applying that percentage to your investment cost basis

It’s often used by large companies with detailed engineering teams. For most individual investors, though, there’s a better path.

2. Percentage Depletion

This is the method most commonly used by small and mid-sized energy investors. Instead of calculating based on actual reserves, the IRS allows you to deduct a flat percentage—currently 15%—of the gross income from the property each year.

Here’s why this matters:

  • It’s not tied to your cost basis, so deductions can continue even after you’ve fully recovered your investment.
  • The more the asset produces, the more you can deduct.
Think of it as a built-in, recurring tax shelter on your oil and gas income.

Real-World Impact for Investors

Let’s say you earn $120,000 in production income from a series of wells where you hold a working interest.

With percentage depletion:

  • 15% of that income—$18,000—is considered tax-free.
  • You only pay tax on the remaining $102,000.

For investors in top tax brackets, this represents thousands in annual savings, year after year.

It’s particularly beneficial in high-production years or when oil prices are elevated, as the deduction scales with gross revenue.

Eligibility Requirements

While percentage depletion is broadly available, there are some important limitations:

  • The well must be domestically located (U.S. production only).
  • Only certain types of ownership qualify—working interest and mineral ownership, not passive royalty interests in partnerships.
  • There are income-based limits that phase out the benefit for extremely large producers (not typical for individual investors).
  • You can’t deduct more than 100% of your income from the property.

That said, most accredited investors participating through direct ownership or properly structured partnerships can and do benefit from percentage depletion.

Why It Works So Well with Other Deductions

One of the reasons the depletion allowance is so valuable is because it works in tandem with other oil and gas tax benefits.

For example:

  • Year one: You may deduct 65–85% of your investment through Intangible Drilling Costs (IDCs).
  • Ongoing years: You continue deducting 15% of your income annually via depletion.

That’s not just front-loaded savings—it’s a long-term efficiency strategy.

Unlike many investment vehicles that become less tax-efficient over time, oil and gas investments can remain tax-advantaged for the life of the asset.

Strategic Planning Tip: Pair with High-Income Years

Because depletion reduces taxable income tied to production, investors can strategically time investments in projects expected to deliver strong near-term cash flow. For those in high tax brackets, this deduction can significantly smooth out or offset spiky income years.

It’s especially useful for:

  • Entrepreneurs post-exit
  • Executives with large bonus years
  • Real estate investors with capital gains events
  • High-income professionals planning for retirement distributions

By layering depletion on top of other deductions, it’s possible to reduce effective tax rates well below ordinary income levels.

Conclusion

The depletion allowance is one of the clearest examples of the tax code working in favor of real asset ownership. It recognizes the finite nature of natural resources—and rewards those who invest in their responsible extraction.

For high-net-worth individuals seeking passive income, tax efficiency, and exposure to American energy, this deduction is more than a technical footnote. It’s a core driver of long-term, after-tax performance.

At Basin Ventures, we structure every deal with these benefits in mind—because tax-aware investing isn’t just smart, it’s strategic.

Ready to explore how depletion and other tax benefits could work in your portfolio?