How Mineral Aggregators Build Packages

Starting with the map

An aggregator does not begin with owners. It begins with a map of where it wants to be. Staff pick a county or a handful of adjoining counties, identify the operators drilling there, and overlay spacing units and permits. The target is a set of units where the aggregator can accumulate meaningful net royalty acres, because a position spread across forty scattered counties is hard to model and hard to sell.

Only then does the owner search begin. Courthouse records, division order lists and public production data produce names and addresses of mineral owners within the chosen units. Outreach follows by mail, phone and sometimes in person.

Why concentration matters

Each acquisition carries fixed costs: records review, a title opinion or run sheet, drafting, recording, and setting up the decimal with the operator. Those costs are close to the same for a small interest as a large one, so a package that stacks many interests in the same units spreads the work across more royalty. It also gives the eventual buyer something coherent to underwrite: a defined set of wells and a defined inventory of undrilled locations, with one set of operators to evaluate.

Concentration also shapes timing. When an operator announces a development plan across several units, an aggregator holding positions in all of them can approach institutional buyers at a moment of high attention. The same interests, scattered, would trade one at a time and likely at a lower value per royalty acre.

The assembly work behind the scenes

A package is only as saleable as its paperwork. The aggregator reconciles each deed to a legal description, confirms the grantor actually held what they sold, checks that the interest reaches the depths and formations being drilled, and ties the decimal in the division order to the tract. Probate gaps, missing heirs and old reservations are cured or carved out so they do not undermine the whole schedule.

The result is a tract-by-tract schedule that a fund's reviewers can audit. The cleaner it is, the less time the buyer's reviewers spend, and the less of a discount they apply for uncertainty.

Where the markup comes from

Markup is the difference between what the aggregator paid owners and what the institution pays for the package. It is not pure profit. It covers outreach to thousands of owners who never sell, the title and legal work on those who do, financing carried while the package is assembled, and the risk that prices or drilling plans move before the sale closes. In a strong commodity market, spreads tend to narrow because buyers compete for supply. In a weak one, they widen and fewer packages get assembled at all.

The size of the spread depends on the basin, the quality of the documentation and the buyers active at the time, so no fixed percentage applies across the market.

What an owner can take from this

The first lesson is that your interest becomes more valuable to a buyer when it is clean. Organized statements, a recorded chain of title and a decimal that matches your deed all reduce the aggregator's cost, and that is a legitimate point to raise when you ask for a stronger proposal.

The second is that your neighbors matter. If several owners in your unit sell to the same buyer, that buyer's position becomes more useful to them, and their interest in your tract may rise. The third is that you are not obligated to treat the first number as final. Ask what the buyer plans to do with the interest, compare written proposals, and decide whether you want to sell all of it, part of it, or none.

Questions Mineral Owners Ask Our Review Desk

Each answer helps identify the asset and its evidence before a forecast or purchase number is allowed to drive the file.

Is an aggregator the same as a mineral buyer?

The terms overlap. An aggregator is a buyer whose model is to assemble many acquisitions into larger packages, often for resale, while other buyers may purchase mainly to hold. Ask any company which model it follows.

Why was the first offer I received so much lower than a later one?

Different buyers carry different costs and expect different resale or holding returns. Offers can also change with new drilling nearby, so a later offer may reflect activity that was not visible earlier.

Do aggregators buy very small interests?

Many do, because small interests in the right unit add to the concentration they want. Whether a particular fraction is worth the paperwork depends on the tract, the production and the buyer's current focus.

Does selling to an aggregator mean I lose my royalty payments from other wells?

Only for what the deed conveys. A sale can be limited to certain tracts, units or depths, so read the deed and the schedule to see exactly which interests are being transferred.