Concepts
Overriding Royalty Interest (ORRI)
An overriding royalty interest is a share of production carved out of a working interest under an existing oil and gas lease. Unlike a mineral or royalty interest, it generally terminates when that lease terminates.
An overriding royalty looks like a royalty on a check stub, but it sits at a different place in the ownership stack — and that placement determines how long it lasts.
Where it comes from
A mineral owner leases to an operator. That operator now holds the working interest. If the operator (or a landman, geologist, or broker who assembled the deal) carves a slice of revenue out of that working interest and assigns it away, the result is an overriding royalty. It is a burden on the lease, not on the mineral estate.
The most common origins:
- A landman or geologist who put a prospect together and kept an override as compensation.
- A promoter who assigned a lease to an operator and retained an override.
- An operator who sold a lease and retained a small override on future production.
Why it can disappear
Because an ORRI is derived from a lease, it lives and dies with that lease. When the lease terminates — expiration, release, forfeiture, or failure of the habendum clause — the override generally terminates too, even if the same operator drills the same rock under a new lease the following month. That outcome is called a washout.
Careful assignments guard against it with language extending the override to renewals, extensions, and new leases taken within a stated period. Assignments written casually often do not. Our journal covers how this plays out in the ORRI washout danger.
This is the practical distinction to hold onto: a mineral or royalty interest survives the end of a lease; an override usually does not.
ORRI versus NPRI
| Overriding royalty | Non-participating royalty | |
|---|---|---|
| Carved out of | An oil and gas lease | The mineral estate |
| Survives lease termination | Usually no | Yes |
| Bears drilling costs | No | No |
| Executive rights | None | None |
| Typical origin | Deal compensation | Reservation in a deed |
Both arrive as passive income with no control. Only one is permanent, which is why the two are priced differently even at the same current decimal. See non-participating royalty interest.
What to check if you own one
- The assignment. It defines the fraction and, critically, whether the override extends to renewals, extensions, top leases, and new leases.
- The underlying lease. Is it still in force, and is it held by production? An override on a lease held by one marginal well carries real termination risk.
- Depth and area limits. Overrides are frequently confined to specific formations or tracts, so a new well nearby may not be burdened at all.
- Proportionate-reduction language, which can shrink the override if the assignor held less than the whole leasehold.
Valuation
An override is valued on income, decline, and the credibility of its continuation. A well-drafted override on a strong lease with active development can be worth close to what a comparable royalty is worth. A bare override with no renewal protection on a lease that could lapse is discounted, and reasonably so — a buyer is pricing the possibility that it goes to zero.
We buy overriding royalties, including small ones and ones with imperfect assignment language. If you are not sure whether what you own is an override, a royalty, or a mineral interest, send us the assignment or a check stub and we will tell you.