Your landowner signed the lease. Your engineers finalized the layout. You're 60 days from Notice to Proceed.
Then the title company drops the bomb: severed mineral rights with an active oil and gas lease.
The mineral owner has surface access rights. Your $200M power project is now subordinate to someone else's drilling operation.
This scenario plays out every month in shale-heavy regions. And it blindsides developers because surface leases feel like control. They're not.
Why Your Lease Doesn't Mean What You Think It Means
Property rights are a bundle of sticks:
- Surface rights = use of the land surface
- Mineral rights = ownership of what's beneath
These can be owned together or separately. When minerals are severed, your surface lease only controls surface use until a mineral owner or operator needs access. In many states, the mineral estate is legally dominant — mineral development can override surface operations.
"You don't control the dirt. You control a surface lease that can be interrupted."
That distinction becomes fatal during tax equity and project finance diligence.
What Are Severed Mineral Rights
Severed mineral rights exist when someone other than your surface lessor owns the minerals. That mineral owner can lease to an oil and gas operator, allow drilling, pads, pipelines, and access roads — and exercise surface access rights even after your project is built.
The 5 Mineral Rights Scenarios
Here's a quick-reference breakdown of the five situations developers encounter — and the typical outcome for each.
| Scenario | What It Looks Like | Risk Level | Typical Outcome |
|---|---|---|---|
| Dormant minerals | Severed long ago, no active lease | Medium | Future leasing risk |
| Active O&G lease | Current lease with surface access | High | NDA required or walk |
| Unknown / unlocatable owners | Heirs, fractured ownership | High–Very High | Financing red flag |
| Recent drilling nearby | Activity in same formation | Medium–High | Minerals may lease soon |
| Accommodation doctrine state | Some surface protections | Low–Medium | Still needs diligence |
Dormant Minerals (No Active Lease)
Minerals were severed decades ago with no recent oil and gas leasing.
Dormant does not mean dead. Minerals can be leased at any time.
Document ownership, evaluate state law, determine whether lenders will require a mineral owner NDA.
Active Oil and Gas Lease
A current lease gives an operator the right to drill and use the surface.
Even if no wells exist today, the operator has contractual development rights.
Negotiate a surface use agreement or NDA. If unsuccessful, this is often a walk-away.
Unknown or Unlocatable Mineral Owners
Minerals fractured across heirs, estates, or missing parties.
You cannot mitigate risk if you can't identify who controls it.
Evaluate curative options or walk away.
Recent Drilling Nearby
No lease on your parcel yet, but drilling activity in the same formation.
Your minerals may be leased next.
Contact mineral owners early and seek NDAs before operators do.
Accommodation Doctrine States
Some states require mineral owners to reasonably accommodate surface uses.
Accommodation reduces risk. It does not eliminate it.
Still pursue NDAs where feasible.
Mineral vs. Surface Rights by State
| State | General Treatment | What Developers Should Assume |
|---|---|---|
| Texas | Mineral dominant | Minerals override surface |
| Oklahoma | Mineral dominant | Minerals override surface |
| Louisiana | Mineral dominant | Surface access implied |
| New Mexico | Mineral dominant | Limited accommodation |
| Wyoming | Accommodation doctrine | Some surface protections |
| Montana | Mixed protections | Case-specific |
| North Dakota | Mixed protections | Minerals still strong |
| Pennsylvania | Surface support rights | Damage limits exist |
Always confirm with local counsel. Deed language and case law matter.
The Pre-LOI Mineral Screening Workflow
If you can work through the five steps below, you can determine whether mineral rights are a deal-breaker, manageable, or low risk — before you've committed capital.
| Step | What You Check | Why It Matters |
|---|---|---|
| Deed chain | Severance language | Confirms split estate |
| O&G leases | Active / expired leases | Operator rights |
| State O&G records | Permits, wells, units | Activity level |
| Ownership | Who owns minerals | NDA feasibility |
| Risk screen | Formation viability | Go / mitigate / walk |
When You Need Mineral Owner NDAs
You should strongly consider NDAs when minerals are severed, active or recent leasing exists, you're in a mineral-dominant state, or your tax equity investors or lenders require mitigation.
Strong NDAs typically include:
- No surface occupancy within the project footprint
- Setbacks from project infrastructure
- Restrictions on directional drilling
- Notice before development
- Compensation for surface damage
Walk-Away Triggers vs. Often Manageable
- Active drilling in array
- Refused NDA
- Unlocatable owners
- High-value formation discovery
- Dormant minerals
- Cooperative mineral owner
- Minor layout shift required
- Expired lease
What Good Mineral Rights Screening Looks Like
Early-stage, records-based mineral rights screening is structured diligence — not guesswork. It typically covers:
- Deed and mineral deed review
- Lease abstracting
- Regulatory database searches
- Mapping wells and permits
- Ownership identification
- Parcel-level risk categorization
No fieldwork. No speculation. Just structured diligence.
Screen Before You Commit
Severed mineral rights aren't rare. In oil and gas country, they're common. The question isn't whether your site has severed minerals — the question is whether they create financing risk.
TerraPro Solutions' early-stage, records-based Mineral & Railroad Consulting helps developers screen mineral rights before they commit capital and identify subsurface conflicts early.
"The worst time to learn who controls the dirt is when you thought the deal was done."
Not sure what's beneath your site? Screen mineral risk before you commit capital.
Talk to our team