Texas Oil Investments
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Texas Oil Investments

IDC Tax Savings Calculator

Estimate your Year 1 federal and state tax savings from a working interest investment. Includes §263(c) IDC deduction, §168(k) bonus depreciation, and 20-year §613A depletion model.

65–80%
IDC Ratio
100%
Year 1 IDC Deduction
§168(k)
OBBBA Bonus Dep.
15%
§613A Depletion

Investment Parameters

$
$50K$2M
%
60%85%
Year 1 Federal Savings
$74,000
Total Year 1 Tax Benefit
$74,000
Net Investment After Tax
$126,000
Effective Return on Tax
37.0%
Est. 20-Year Depletion Savings
$31,519
Year 1 Investment Breakdown
IDC (§263c deduction)$150,000 (75%)
TDC (§168k bonus dep.)$50,000 (25%)
Combined Year 1 deductibility: 100.0% of total investment (post-OBBBA)

This calculator provides illustrative estimates only and does not constitute tax, legal, or investment advice. Actual tax savings depend on your individual circumstances, AMT exposure, state tax treatment, program structure, and other factors. Tax treatment depends on proper program structuring and entity type. IDC deductions require the well to be spudded in the tax year claimed. TDC bonus depreciation assumes 100% §168(k) eligibility under OBBBA (July 4, 2025). Depletion projections assume ~8% annual production decline and are for illustrative purposes only — actual production varies. Consult a qualified CPA before making any investment decision. This is not an offer to sell or solicitation to buy any security. Available to accredited investors only under SEC Regulation D.

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How the IDC Tax Deduction Works

When you invest in a working interest oil well, 65-80% of your capital typically goes to intangible drilling costs (IDC) — labor, drilling fluids, site preparation, and other non-salvageable expenses. Under IRC §263(c), these costs are 100% deductible in the year incurred, regardless of whether the well produces oil.

  • §263(c) IDC Deduction: 65–80% of investment deductible in Year 1 — the most powerful first-year deduction in the tax code
  • §168(k) Bonus Depreciation: Tangible drilling costs (20–35%) now 100% deductible in Year 1 under OBBBA restoration
  • §469(c)(3) Active Income: Working interest income is NOT passive — no PAL limitation, offsets W-2 and 1099 income
  • §613A Percentage Depletion: 15% of gross production income deductible annually — continues beyond cost recovery
  • Combined Year 1: Up to 85–100% of your total investment may be deductible, depending on AFE structure

Understanding the AFE Split

AFE CategoryTypical %Tax TreatmentIRC Section
Intangible Drilling Costs (IDC)65–80%100% deductible Year 1§263(c)
Tangible Drilling Costs (TDC)20–35%100% bonus depreciation Year 1§168(k)
Lease & Land Costs0–5%Capitalized, recovered via depletion§613A

Illustrative example only. Actual tax savings and investment returns depend on individual circumstances including tax bracket, AMT exposure, state tax treatment, program structure, and well performance. Not a projection or guarantee of results. Consult a qualified CPA before making any investment decision.

Disclaimer

The information on this page is for educational purposes only and does not constitute investment advice, tax advice, or legal advice. Oil and gas working interest investments involve significant risks including commodity price volatility, geological risk, operational risk, and potential loss of entire invested capital. All tax benefit descriptions reference IRC provisions as currently in effect; tax law is subject to change and individual tax treatment varies. All dollar examples and projections are illustrative only — not representations of actual returns. Programs are offered exclusively to verified accredited investors as defined by SEC Rule 501, under SEC Regulation D Rule 506(b). This page does not constitute an offer to sell or solicitation of an offer to buy any security. Consult a qualified CPA, attorney, and financial advisor before making any investment decision.

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By requesting information, you represent that you believe you qualify as an accredited investor as defined by SEC Rule 501. This is not an offer to sell or solicitation to buy any security. Programs available only to verified accredited investors under SEC Regulation D Rule 506(b). No obligation to invest.

Related Resources

Intangible Drilling Costs ExplainedOil & Gas Tax DeductionsTax Benefits of Oil Investments

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