How to Obtain an Oil Mining Lease (OML) in Nigeria — Complete 2025 Guide

Nigeria holds over 37 billion barrels of proven crude oil reserves, making it Africa’s largest oil producer and a global petroleum powerhouse. Yet, without an Oil Mining Lease (OML), no company can lawfully engage in commercial oil production. Securing an OML is a high-stakes, highly regulated process overseen by the Nigerian Upstream Petroleum Regulatory Commission (NUPRC), with fees running into millions of naira and timelines stretching over months. In this definitive 2025 guide, we break down the exact requirements, step-by-step process, real costs, and insider tips to help you navigate the OML acquisition maze and avoid costly mistakes.
How to Obtain an Oil Mining Lease (OML) in Nigeria — Complete 2025 Guide

Obtaining an Oil Mining Lease (OML) is your gateway to commercial petroleum production in Nigeria. Anchored by the Petroleum Industry Act (PIA 2021), regulated by the Nigerian Upstream Petroleum Regulatory Commission (NUPRC), and processed via the OGISP/ELPS portal, this license demands technical readiness, environmental compliance, and payment of precise fees. This comprehensive 2025 guide walks you through every step—from corporate setup to FDP approval—highlighting exactly what you need to succeed, based on official NUPRC regulations.


Table of Contents

  1. What is an OML – and how PIA changed the game

  2. Who grants OMLs and where applications happen

  3. High-level process checklist

  4. Step-by-step procedure

  5. Document checklist table

  6. Updated Costs & Fees (with real NUPRC figures)

  7. Typical timeline & acceleration tips

  8. PIA-era conversion, renewals & pitfalls

  9. Common misconceptions

  10. FAQs (for “People also ask”)

  11. Actionable next steps & authority links


1. What Is an OML?

An Oil Mining Lease (OML) grants exclusive rights to exploit petroleum in a defined Nigerian area. Since PIA 2021, the licensing framework has evolved—legacy OMLs now fall under conversion to Petroleum Mining Leases (PMLs). Some of the most important shifts include enhanced local content requirements, a clearer fee structure, and newly digitized processes.


2. Who Grants OMLs & Where to Apply

The statutory authority for granting and regulating OMLs (and PMLs) is the Nigerian Upstream Petroleum Regulatory Commission (NUPRC). Application submissions, document uploads, and payments are completed through the OGISP/ELPS portal. Always refer to the NUPRC’s official PDF regulations and the portal for validated requirements.


3. High-Level Process Checklist

  • Corporate readiness: Nigerian incorporation, clearance, and local content alignment.

  • Path clarity: Is it a new OML? Conversion? Acquisition? Competitive bid?

  • Technical package: FDP, seismic/well data, ESIA, financials, and guarantees.

  • Submission: via NUPRC’s online portal + fee remittance.

  • Agency review: technical, environmental, fiscal, legal scrutiny.

  • Grant & execution: instrument signing, rent/fee payment, issuance, registration.

  • Post-grant compliance: reporting, renewals, decommissioning, royalties.


4. Step-by-Step Procedure

Step 1 – Pre-application Preparation

  • Establish or designate a Nigerian entity to hold the OML.

  • Compile proof of finances, liabilities, local content plan, FPS, technical competence, and environmental readiness (ESIA/screening).

Step 2 – Determine Application Route

  1. Conversion under Energy Transition PIA framework (OML → PML).

  2. Bid/Auction participation.

  3. Acquisition from current holders, requiring NUPRC approval.

  4. Direct Grant (rare, often discretionary).

Step 3 – Portal Submission and Fee Payment

Submit a complete dossier via OGISP/ELPS portal, and pay the required fees using TSA/Remita codes. Ensure all uploads are valid PDF formats and signed where applicable.

Step 4 – NUPRC Review & RFI Stage

Expect back-and-forth RFIs—respond promptly (within 7–14 days). If ESIA or community issues exist, schedule stakeholder engagements efficiently.

Step 5 – Grant Instrument Signing

Upon NUPRC approval-in-principal, execute the lease, pay initial rents, file bonds, register, and await gazetting.

Step 6 – Operations and Compliance

Adhere to ongoing regulatory obligations including FDP updates, reporting, local content quotas, and decommissioning plans.


5. Document Checklist (Template)

Category Documents / Evidence Notes
Corporate CAC docs, tax clearance, TIN Ensure entity is properly registered
Technical FDP, seismic/well data, reserves estimate Signed by accredited professionals
Financial Audited accounts, proof of funding, guarantees Meets NUPRC bond requirements
Environmental ESIA or screening certificate NESREA/MoE standards compliance
Local Content Nigerian content plan, subcontractor details Meet NCC requirements
Community Engagement minutes, stakeholder documentation Preempt social risks
Legal Title opinions, assignment agreements (if applicable) Land rights and permissions validated
Application OGISP forms, receipt, submission confirmation Keep portal transaction records

(Note: Update with exact form codes from the NUPRC/OGISP portal when available.)


6. Updated Costs & Fees (2025 Official NUPRC Figures)

This section now reflects the authentic, current 2025 NUPRC Upstream Petroleum Fees & Rents (Temporary) Regulations, based on the schedule. These are the exact amounts payable for permit processing and application steps:

Fee Item Official Rate / Amount Notes
OGISP Processing – General Category ₦6,250 Standard permit
OGISP Processing – Major Category ₦31,250 Elevated service level
OGISP Processing – Specialised Category ₦312,500 Complex / high-risk operations
OGISP Account Reactivation ₦5,000 (General); ₦25,000 (Major); ₦250,000 (Specialised) Re-activate portal access
License Extension (OPL/OML) ₦10,000,000 Extending work commitment period
Relinquished Area Retention (50%) ₦10,000,000 Retaining half relinquished area
Creation of Security Interest ₦5,250,000 Mortgage/security creation
Due Diligence Info Request ₦5,250,000 Common in acquisitions
Assignment Consent Processing 2% of transaction value Payable on change-of-ownership
Change of Name (License/Lease) ₦1,350,000 Administrative amendment
Commercial Discovery Announcement ₦1,350,000 Formal declaration of discovery
Exploratory/Appraisal Drilling Approval ₦5,250,000 Permission to drill
Field Name Registration/Change ₦1,350,000 Naming updates
Geophysical/Geotechnical Vessel Permit US$5,250 USD or equivalent naira amount
Annual Vessel Permit Renewal US$5,250 Yearly renewal cost
Pre-Shipment Inspection (Vessels) ₦5,250,000 Inspection processing
FDP Approval (including under OML) ₦10,000,000 Approving on-field development plan
FDP Amendment/Revalidation ₦10,000,000 FDP updates or revisions
Appraisal Programme Approval ₦10,000,000 PIA-required appraisal plan approval
Development Well Drilling Approval ₦5,250,000 Permit for development well ops
Decommissioning & Abandonment Plan Approval ₦10,000,000 Pre-decommissioning strategy approval
Decommissioning Execution Programme Approval ₦5,000,000 Strategy execution authorization
Technical Approvals (Design, Safety, etc.) ₦1,350,000 (typical; some exceptions) Per approval issuance

Sources: NUPRC Upstream Petroleum Fees & Rents (Temporary) Regulations, 2025 (Schedule)


How Annual Rents & Premiums Work

While this fee table covers processing and regulatory costs, annual lease rents and grant premiums are calculated based on the lease area or production capacity, as tabled in the NUPRC regulation’s First Schedule. These are payable on a per hectare/km² basis or as a one-off premium, and must be paid before grant or renewal. Review the NUPRC schedule’s rent tables to determine your exact financial obligation.


7. Typical Timeline & Efficiency Tips

Phase Timeline Estimate
Prep Pack & readiness 4–12 weeks
Application & fee submission Same-day (online)
Technical & legal review 3–9 months
Execution & registration 1–3 months
Total ~4–12 months

Tips to accelerate:

  • Submit a polished, full dossier with accurate documentation.

  • Respond within a week (7–14 days) to RFIs.

  • Conduct early stakeholder and community engagement.

  • Use advisors familiar with NUPRC and FDP requirements.

  • Make fee payments precisely per the NUPRC’s TSA code to avoid delays.


8. PIA-Era Conversion, Renewals & Pitfalls

Under PIA 2021, legacy licenses (OPLs/OMLs) must be converted to PPLs/PMLs through NUPRC’s Conversion & Renewal Regulations. Be aware of conversion deadlines and fees. Renewal success depends on compliance with work programmes and environmental obligations. Avoid outdated processes—always use the PIA-based workflow.


9. Common Misconceptions

  1. OML = PML — Not always. Under PIA, conversions are required.

  2. Money guarantees approval — Technical, environmental, fiscal, and legal fitness are equally important.

  3. Foreigners can’t obtain OMLs — Possible with Nigerian JV or entity compliance.

  4. Fee payment ensures grant — Payment opens the process, but approval depends on full compliance.


10. FAQs — “People also ask” Style

Here are ready-to-use FAQ snippets to capture featured snippets (“people also ask”):

  • What is an Oil Mining Lease (OML) in Nigeria?
    An OML is a license granting exclusive rights to produce petroleum. Post-PIA, legacy OMLs now fit into the PML framework.

  • Who grants OMLs in Nigeria?
    OMLs are regulated and granted by the Nigerian Upstream Petroleum Regulatory Commission (NUPRC) via the OGISP portal.

  • How long does it take to obtain an OML?
    From readiness to grant, it typically takes 4 to 12 months, depending on application completeness and review cycles.

  • Can foreign companies hold an OML in Nigeria?
    Yes, usually via Nigerian incorporated vehicles, subject to local content and regulatory compliance.

  • What fees must I pay when applying for an OML?
    Expect portal processing fees (₦6,250–₦312,500 depending on category), FDP approval (₦10 million), drilling permits (₦5.25 million), and transfer consent (2% of transaction value), among others.



11. Conclusion & Next Steps

  1. Download NUPRC’s Upstream Fee & Rent Regulations (2025) for rent and premium calculations.

  2. Prepare a full technical, environmental, and corporate application package.

  3. Incorporate or designate a Nigerian entity with regulatory clearances.

  4. Register on the OGISP/ELPS portal, follow submission instructions precisely.

  5. Engage experienced regulatory/legal/technical advisers for compliance and efficiency.

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