VAALCO Energy, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Crude Oil, Natural Gas and NGLs Properties and Equipment (Details Textual)

Note 7 - Crude Oil, Natural Gas and NGLs Properties and Equipment (Details Textual) $ in Millions				1 Months Ended		3 Months Ended	12 Months Ended
	Jun. 20, 2026	Jan. 20, 2022 USD ($)	Sep. 25, 2018	Feb. 28, 2023 USD ($)	Sep. 30, 2022 ha	Mar. 31, 2023 USD ($)	Dec. 31, 2020 USD ($)	Sep. 16, 2028	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Oct. 13, 2022 USD ($)	Apr. 30, 2021	Apr. 12, 2021	Feb. 25, 2021 USD ($)	Mar. 31, 2020 USD ($)	Sep. 17, 2018 USD ($)	Dec. 31, 2012
Block P Offshore Equatorial Guinea [Member]
Business Acquisition, Percentage of Voting Interests Acquired																	31.00%
Additional Ownership Interest Acquired							12.00%
Asset Acquisition, Percent Interest Acquired							43.00%
Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High							$ 3.1
Etame Marine Block [Member]
Unproved Oil and Gas Property, Successful Effort Method														$ 2.2
EQUATORIAL GUINEA
Effective Statutory Income Tax Rate, Percent					25.00%
EGYPT
Undeveloped Leasehold Value									$ 13.9		$ 13.6
CANADA
Undeveloped Leasehold Value									$ 16.7		$ 16.7
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member]
Deferred Tax Assets, Property, Plant and Equipment																$ 18.6
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] \| Signing Bonus [Member]
Capitalized Costs, Unproved Properties																6.7
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] \| Tax Effect [Member]
Capitalized Costs, Unproved Properties																$ 7.1
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] \| Forecast [Member] \| Etame Marine Block [Member]
Increase (Decrease) in Working Interest Ownership Percentage	1.60%
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] \| Vaalco Energy Inc. and Other Etame Marin Block Owners [Member]
Entitled Percent for Consortium After Initial Royalty Percentage			80.00%
Period of Agreement for Exploitation Areas (Year)			10 years
Working Interest Ownership, Percentage									7.50%
Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] \| Vaalco Energy Inc. and Other Etame Marin Block Owners [Member] \| Forecast [Member]
Entitled Percent for Consortium After Initial Royalty Percentage								70.00%
Working Interest Ownership, Percentage	10.00%
Merged Concession Agreement with EGPC [Member]
Number of Concession Agreements Merged		3
Concession Agreement, Term (Year)		15 years
Annual Modernization Payments		$ 10.0
Credit issued Against Receivables		10.0
Minimum Financial Work Commitments		$ 50.0
Financial Work Commitments Duration (Year)		5 years
Etame Marine Block [Member]
Joint Venture Project, Ownership, Percent									63.575%
Unproved Oil and Gas Property, Successful Effort Method															$ 2.3
Undeveloped Leasehold Value										$ 13.7					$ 11.5
Etame Marine Block [Member] \| Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member]
Number of Contract Extension Periods			2
Production License Agreement Term Extended by Government (Year)			5 years
Etame Marine Block [Member] \| Production Sharing Contract, September 17, 2018 Through September 16, 2028 [Member] \| Forecast [Member]
Increase (Decrease) in Working Interest Ownership Percentage	2.50%
Block P Offshore Equatorial Guinea [Member]
Joint Venture Project, Ownership, Percent				60.00%									45.90%
Period of Development Area (Year)					25 years	25 years
Area of Land (Hectare) \| ha					23,144
Cost Oil Maximum, Percent					70.00%
Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High				$ 6.8
Joint Venture Project, Additional Working Interest Percentage				14.10%
Unproved Oil and Gas Property, Successful Effort Method						$ 10.0
Block P Offshore Equatorial Guinea [Member] \| Crown Energy [Member]
Working Interest Ownership, Percentage												5.00%
Block P Offshore Equatorial Guinea [Member] \| Royalty for the First 10,000 bopd [Member]
Percent of Oil Profit					10.00%
Block P Offshore Equatorial Guinea [Member] \| Royalty for the 10,000 bopd to 25,000 bopd Tranche [Member]
Percent of Oil Profit					11.00%
Block P Offshore Equatorial Guinea [Member] \| The States Share of Oil Profit Up to 25 Million bbl [Member]
Percent of Oil Profit					10.00%
Block P Offshore Equatorial Guinea [Member] \| The States Share of Oil Profit Up to 25 to 50 Million bbl [Member]
Percent of Oil Profit					20.00%
Venus Development [Member]
Area of Land (Hectare) \| ha					8,476