An Oil Mining Lease (OML) is a legal license granted by the government to oil companies. This license allows them to explore for, drill, and produce oil and gas within a specific area. The OML is a critical component of the oil and gas industry, providing the legal framework for production activities.
Recent Changes under the Petroleum Industry Act (PIA)
The Petroleum Industry Act (PIA) has brought significant changes to the licensing framework in the oil and gas sector.
- Petroleum Prospecting License (PPL): The Oil Prospecting License (OPL) is now known as the Petroleum Prospecting License (PPL).
- Petroleum Mining License (PML): The Oil Mining Lease (OML) has been updated to the Petroleum Mining License (PML).
- Separation of Oil and Gas: The new regulations under the PIA create a distinction between oil and gas, with separate regulatory commissions for each.
Key Features of an Oil Mining Lease (OML)
- Duration: An OML is typically issued for 20 years and can be renewed.
- Coverage: The license covers specific geographic areas for oil and gas exploration and production.
- Financial Obligations: OML holders are required to pay royalties, rents, and taxes.
- Compliance: Companies must adhere to strict safety and environmental standards.
Parties Involved in an OML
- Government/Regulator: Grants licenses and ensures compliance with regulations.
- International Oil Companies (IOCs): Companies like Shell and ExxonMobil are major operators in the sector.
- National Oil Companies (NOCs): NNPC Limited is an example of a national oil company involved in OMLs.
- Service Providers and Contractors: Support the operational activities of oil and gas production.



