When someone who owns mineral rights passes away, the rights don't just automatically transfer to the next person. The chain of title needs to be updated so operators, county clerks, and future buyers know who owns what. One of the most common tools for doing this is an affidavit of heirship.

What It Is

An affidavit of heirship is a sworn statement that identifies the deceased, lists their heirs, and describes how the property should pass according to state law. It's signed by someone with knowledge of the family (often a disinterested third party who isn't an heir) and filed with the county clerk where the property is located.

It doesn't transfer ownership by itself. It creates a public record that establishes who the heirs are and supports future title opinions.

When You Need One

You typically need an affidavit of heirship when:

Even when there is a will, some operators will accept an affidavit of heirship as a simpler alternative to waiting for probate to conclude.

What It Contains

The specifics vary by state, but most affidavits of heirship include:

Who Signs It

The strongest affidavits are signed by a disinterested party, someone who knew the deceased and the family but is not an heir. This could be a longtime friend, a neighbor, a pastor, or a business associate. Some states allow heirs to sign, but a disinterested affiant carries more weight with title examiners.

Where to File It

File the affidavit with the county clerk or register of deeds in every county where the deceased held mineral interests. There's usually a small recording fee. Once recorded, it becomes part of the public land records and shows up in title searches.

State Differences

Each state has its own requirements for what an affidavit of heirship must contain and how much legal weight it carries. Some states treat it as strong evidence of heirship. Others treat it as supplementary, and a title company may still require probate or a quiet title action for larger interests.

In Texas, for example, affidavits of heirship are widely used and well-accepted. In other states, you may need additional documentation. If you're unsure, a mineral rights attorney in the state where the property is located can advise you on what's needed.

A Word of Caution

An affidavit of heirship is not a substitute for legal advice in complex situations. If there are disputes among heirs, if the deceased owned property in multiple states, or if the chain of title is already messy, consult an attorney before filing anything. A poorly drafted or inaccurate affidavit can create more problems than it solves.

Keeping Track

Once you've filed an affidavit and the title is updated, record the new ownership structure in MinRight. Update the owners and their interest percentages for each affected property, and attach a copy of the filed affidavit to the property record. This saves the next generation from having to reconstruct the same information.

If you're in the first 30 days of inheriting mineral rights, filing an affidavit of heirship is usually one of the first steps. For situations where multiple generations have passed without paperwork, you may need affidavits for each generation gap.