Every year, high-earning physicians write a check to the IRS large enough to buy a house. And every year, a quieter class of investors (private equity partners, energy executives, family offices) deploys capital in a way that can let them deduct a majority of an investment against their ordinary income in the very first year.
Same tax code. Two completely different outcomes.
The deduction Wall Street doesn’t advertise
The mechanism is called an intangible drilling cost deduction, and it lives inside oil and gas working interests. It is one of the few places in the Internal Revenue Code where an investment loss can legally offset a W-2 salary. Not just capital gains, not just other investment income, but the money you earn seeing patients.
Before you get excited, read the next sentence twice: this is a real, illiquid, high-risk investment, and the tax benefit is worthless if the underlying deal is bad. We’re going to walk through the mechanics, including the ways it can lose you money, because that’s the only version of this story worth telling.
What a “working interest” actually is
When you buy a working interest in an oil and gas project, you’re not buying a stock or a fund share. You’re buying a direct ownership stake in the drilling operation itself: a share of the costs, the liabilities, and (if the well produces) the revenue.
That “share of the costs” is where the tax code gets interesting. Drilling a well involves two kinds of expenses.
Tangible costs are the physical equipment: casing, wellhead, pumps, storage tanks. These get depreciated over years, like any capital asset.
Intangible drilling costs (IDCs) are labor, drilling fluids, site prep, surveying, the actual work of putting a hole in the ground. These have no salvage value.
Under IRC §263(c), IDCs can be deducted in the first year. Not amortized. Not spread out. Deducted now. IDCs are often 60 to 80%* of a well’s total cost, though the actual share varies by well and by program, and the allocation for any specific offering is stated in its offering documents.
Why it can offset your salary
Here’s the part most physicians have never heard.
Normally, “passive” investment losses can only offset passive income. A syndicated real estate loss, for example, usually can’t touch your clinical income. That’s the passive-loss wall of §469.
But §469(c)(3) carves out a specific exception: a working interest in oil and gas held directly, not through a limited partnership or other structure that limits your liability, is not treated as passive. That means the IDC deduction can offset ordinary income, including a W-2 salary.
That single distinction, direct working interest versus limited interest, is the difference between a deduction that offsets your salary and one that just sits idle. It’s a structural choice, written into the code, that most high earners were simply never told existed. The trade is real, though: you get the deduction because you carry the liability.
Later, if wells produce, tangible costs continue depreciating and producing wells may receive percentage depletion on ongoing revenue, a further, smaller benefit down the line.
An illustrative example
Figures below are illustrative only. They are not a projection, quote, or promise of results.
Suppose Dr. A, an anesthesiologist, invests $100,000 in a direct working interest program. Assume 75% of that, $75,000, qualifies as IDCs deductible in year one.
At a combined federal-plus-state marginal rate of roughly 40%, that first-year deduction could reduce her tax bill by about $30,000. Her true at-risk capital, net of the tax benefit, is closer to $70,000.
If the wells produce, she receives revenue over time and additional depletion benefits. If the wells are dry, she can lose most or all of her $100,000. The tax deduction does not make her whole. It softens the blow; it does not eliminate the loss.
That asymmetry is the whole point. The deduction is real. So is the hole in the ground.
The risks are real
This is not a coupon. It’s an investment in one of the most volatile industries on earth. Go in clear-eyed about the following.
Dry holes and mechanical failure. Wells miss. Some produce far below projection. You can lose your entire investment.
Commodity-price risk. Oil and gas prices swing violently. A well profitable at $80 oil may be uneconomic at $50.
Illiquidity. There is no public market. You may be locked in for years.
Operator risk. Your outcome depends heavily on the competence and honesty of the operator, and sponsor quality varies enormously.
AMT exposure. Excess IDCs are an alternative minimum tax preference item, and for some taxpayers AMT can claw back part of the expected benefit. This must be modeled with your own tax advisor.
Complexity and fees. These deals carry costs and structures that require real due diligence.
Put plainly: if the investment isn’t sound on its own merits, the tax break is irrelevant. A 40% deduction on a 100% loss is still a loss.
Who this fits, and who it doesn’t
It may fit a physician who is an accredited investor, has a high marginal rate, has already funded conventional tax-advantaged vehicles, can afford to lose the entire amount without lifestyle impact, and wants energy exposure as part of a diversified plan.
It does not fit someone reaching for a deduction while ignoring the investment risk, anyone who needs the money liquid, anyone uncomfortable with the possibility of total loss, or anyone who’d lose sleep over a dry hole. If the write-off is the only reason you’re interested, this is the wrong pathway for you, and a good advisor will tell you so.
The next step
The wealthy aren’t earning differently than you. They’re structured differently, and this is one of the structures. But structure without suitability is just risk with extra paperwork.
If you want to know whether a working interest fits your specific situation, book a meeting. We’ll give you a straight answer on whether this pathway belongs anywhere in your plan.
Did you miss Week 4? Read it here: How doctors use cost segregation and the STR loophole to offset six figures of W-2 income.
Educational only. Not investment advice, and not an offer or solicitation to buy or sell any security. Any offering is made only through official offering documents to accredited investors. Oil and gas working interests are speculative and illiquid, can result in total loss, and may not be suitable for you. DocNation and its affiliates may receive compensation if you invest. Tax benefits are not guaranteed. Advisory Services offered through Larson Financial Group, LLC, a Registered Investment Advisor. Securities offered through Larson Financial Securities, LLC, Member FINRA/SIPC. Larson Financial Group, LLC, Larson Financial Securities, LLC and their representatives do not provide legal or tax advice or services. Please consult the appropriate professional regarding your legal or tax planning needs.
*Sources: Committee for a Responsible Federal Budget; Hanson CPA. The 60 to 80% figure is an industry estimate of intangible drilling costs as a share of total well cost, not a guaranteed deduction.
