| Cover | Jul. 12, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 12, 2023 |
| Entity File Number | 001-41278 |
| Entity Registrant Name | HNR ACQUISITION CORP. |
| Entity Central Index Key | 0001842556 |
| Entity Tax Identification Number | 85-4359124 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 3730 Kirby Drive |
| Entity Address, Address Line Two | Suite 1200 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77098 |
| City Area Code | (713) |
| Local Phone Number | 834-1145 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common stock, par value $0.0001 per share | |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Trading Symbol | HNRA |
| Security Exchange Name | NYSEAMER |
| Redeemable warrants, exercisable for three quarters of one share of common stock at an exercise price of $11.50 per share | |
| Title of 12(b) Security | Redeemable warrants, exercisable for three quarters of one share of common stock at an exercise price of $11.50 per share |
| Trading Symbol | HNRAW |
| Security Exchange Name | NYSEAMER |
