Intangible Drilling Costs Deduction Against W-2 Income: What the AMT Takes Back.

An engineer with $800,000 of W-2 income sent me a subscription agreement in November and asked whether the math held up. Put $650,000 into a drilling program before December 31, deduct about 70% of it as intangible drilling costs against this year's salary, save six figures. The deduction is real, and it's one of the few left that reaches wage income without buying a rental or having a spouse leave a job. Two things weren't in the deck: the AMT takes back about a fifth of the saving, and the deduction is not the investment.

Section 263(c) lets an operator (anyone holding a working or operating interest, not just the company running the rig) charge intangible drilling and development costs to expense instead of capital. Treas. Reg. §1.612-4 draws the line at salvage value: wages, fuel, repairs, hauling, and supplies necessary to drill the well and prepare it to produce. Casing, tubing, and the wellhead are tangible property on a 7-year schedule, most of which also comes off in year one under 100% bonus depreciation.

The passive activity rules normally stop a wage earner from using a loss like this, and oil and gas is the one place the code opens the gate on its own. Section 469(c)(3)(A) says a working interest isn't passive if you hold it directly or through an entity that doesn't limit your liability, and Treas. Reg. §1.469-1T applies that well by well. No hours test appears anywhere in it. That condition is why retail programs sell general partner units for the drilling year and convert them to limited units once the wells are done. You buy the deduction with real exposure to the well's obligations.

Section 57(a)(2) makes excess intangible drilling costs a preference item for the alternative minimum tax. Excess means the deduction you took over what straight line recovery would have allowed, and straight line recovery runs 120 months from the month production starts. Drill in 2026, produce nothing before December 31, and that figure is zero, so the whole deduction is excess.

Then §57(a)(2)(E)(i) switches that preference off for any taxpayer that isn't an integrated oil company under §291(b)(4), which every individual investor clears. The catch is clause (ii): the reduction in AMTI from the exception can't exceed 40% of AMTI figured without it. Since AMTI figured without the exception is just your income before the drilling deduction, the rule collapses into one sentence. Drilling costs can never cut your AMTI below 60% of your pre-deduction income. Write off less than 40% of your income and the AMT never notices. Write off more and the excess comes straight back into the AMT base.

The 2026 parameters decide what that costs. The exemption is $140,200 joint and $90,100 single under Rev. Proc. 2025-32, and §70107 of the One Big Beautiful Bill Act moved the phaseout start back down to $1,000,000 and $500,000 while doubling the phaseout rate to 50 cents on the dollar.

That AMT isn't permanent. Drilling costs are a deferral item, not an exclusion item, because §53(d)(1)(B)(ii) counts only §56(b)(1) and paragraphs (1), (5), and (7) of §57(a). So the $29,986 becomes a minimum tax credit on Form 8801, usable in a later year when regular tax exceeds tentative minimum tax. The other exit is the §59(e) election to write the costs off over 60 months, which removes the preference entirely and most of the first-year deduction with it.

Before any AMT math runs, the loss has to clear your basis, the at-risk rules of §465, and the excess business loss limitation of §461(l). For 2026 that caps a noncorporate taxpayer's net business loss at $512,000 joint and $256,000 otherwise, down from $626,000 and $313,000 after OBBBA re-based the indexing. Wages are excluded from the business side under §461(l)(3)(B), so a large paycheck buys no headroom, and anything past the cap becomes a net operating loss limited to 80% of a later year's income. I ran that math in the post on the 2026 excess business loss limitation.

Set the two limits side by side and there's a narrow lane between them. On a joint return, $512,000 is exactly 40% of $1,280,000. Below that much pre-deduction income, using the whole §461(l) cap guarantees part of the AMT preference comes back. Above it, §461(l) binds first. Bonus depreciation on the tangible equipment is what tips most programs over the cap, which is why the table leaves it out.

The tax analysis is the easy half. A retail drilling program is a Regulation D private placement sold to accredited investors, with no secondary market, none of the disclosure a registered offering requires, and no realistic exit before the wells stop producing. The SEC keeps a standing investor alert on private oil and gas offerings whose central point is that judging one takes geological expertise most buyers don't have.

Then there's the shape of the asset. A program drills a handful of wells, in one basin, with one operator, against one commodity's price. An energy index fund holds dozens of companies across the supply chain and you can sell it on any Tuesday. New Permian wells are commonly quoted as declining 65% to 85% in their first year, so revenue is front-loaded and everything after is a projection, not a schedule.

The later years carry their own bill. Once you take a nonpassive loss from a well, §469(c)(3)(B) locks every future dollar of net income from that property as nonpassive, so it can't absorb passive losses from anything else. The Tenth Circuit affirmed in Methvin v. Commissioner in 2016 that a 2% to 3% interest still carried self-employment tax. On a sale, §1254 recaptures the drilling costs you deducted as ordinary income to the extent of gain.

So run the arithmetic the way the table does. The engineer spends $650,000 and keeps $116,015 of federal tax. The other $533,985 is capital riding on wells, and it has to come back out of the ground before he's even on the money, never mind ahead. That's a fair trade for someone who wanted energy exposure anyway and is buying the deduction as a discount on it. It's a bad trade for someone who only wanted the deduction, and for most high-wage households the real estate strategies reach a similar place with an asset that has a resale market.