How to Reverse a Prior Oil and Gas Asset Impairment After a Significant Reserve Upgrade
Restoring part of a previously impaired oil and gas property when recoverable amount increases due to a reserve upgrade or higher oil prices.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Oil & Gas Properties (Restored) | Asset (+) | 40,000,000.00 | - |
| Impairment Reversal Income | Revenue (+) | - | 40,000,000.00 |
💡 Accountant's Note
Under IAS 36, impairment reversals are permitted when the recoverable amount subsequently increases. The reversal cannot exceed the original impairment amount. Triggered by reserve upgrades, higher oil prices, or improved development plans.
Practitioner & Systems Framework
💻 ERP Architecture
An impairment reversal is recognized when the recoverable amount of the CGU has increased above its carrying value. Calculate the reversal as the lower of: (a) the increase in recoverable amount, and (b) the cumulative prior impairment (the carrying value cannot be restored above what it would have been had no impairment ever occurred, net of depreciation). The reversal is recognized in the income statement as a separate line item. This is permitted under IAS 36 (unlike US GAAP, which generally prohibits PP&E impairment reversals).
⚠️ Audit Flags
Impairment reversals are scrutinized because they increase reported income. Auditors verify: (a) the calculation ceiling (reversal cannot exceed the original impairment, adjusted for subsequent DD&A that would have been charged had no impairment occurred), (b) the reason for the increase in recoverable amount is genuine and durable (not just a temporary oil price spike), and (c) the new reserve estimate is based on a credible CPR. Reversals shortly after an impairment (within the same year or the following year) are particularly questionable.
📄 Required Documentation
Updated IAS 36 impairment model (new production profile, oil price deck, cost assumptions), CPR confirming the reserve upgrade, prior impairment documentation (original impairment amount, year of impairment, original carrying value), reversal ceiling calculation (original impairment minus subsequent DD&A on the written-down amount), Audit Committee presentation, and MD&A disclosure of the reversal with explanation of the changed circumstances.
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Expert Analysis by Qusai Ahmad
General Accountant Supervisor & IFRS Specialist
Specialized in SAP GUI automation and Middle Eastern tax compliance. Building digital tools for the next generation of finance leaders.
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