Pennsylvania heirs
In Pennsylvania the first question is not what your minerals are worth — it is whether the reservation in your chain of title covered oil and gas at all.
If you inherited mineral rights in Pennsylvania, the most important thing to establish is not the value but the scope of what was actually conveyed. Under the long-standing rule from Dunham v. Kirkpatrick, a deed reservation of "minerals" in Pennsylvania is presumed **not** to include oil and gas unless the instrument says otherwise — the opposite of what most heirs assume. Families have discovered after months of effort that a nineteenth-century reservation in their chain captured coal and hard minerals only. Once scope is settled, the second question is what your lease permits the operator to deduct, because in the Marcellus post-production costs frequently take more out of a royalty check than any state tax would.
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Inheriting mineral rights is different from inheriting a house or a bank account. You may never see the land, the interest may be a fraction of a fraction, and the paperwork proving it is yours often sits several generations back. None of that means the interest is worthless — and none of it stops you from selling, once the chain of ownership is established.
Pennsylvania has the oldest oil and gas history in the country, and inherited interests routinely trace back through instruments written before anyone contemplated shale gas. Dunham's Rule and the cases following it hold that a generic reservation of "minerals" does not carry oil and gas absent clear language, and the burden of showing a contrary intent is meaningful. Separately, many Pennsylvania tracts have layered severances: shallow rights held under one instrument, deep rights under another, with legacy Upper Devonian or Oriskany production between them. So an inherited Pennsylvania interest may be a full mineral estate, a gas-only interest, a royalty interest under a specific lease, or a shallow-rights remnant with no Marcellus at all. Reading the actual instruments is not optional here.
Pennsylvania probate runs through the Register of Wills in the county where the decedent lived. If the decedent was a Pennsylvania resident and the estate was administered, the will and the estate record will usually establish the passage of the minerals even where they were never separately listed. If the decedent lived out of state, ancillary administration in the Pennsylvania county where the land sits is the usual route. Where there was no administration at all — very common for interests nobody knew about — heirs typically need to establish descent and record an instrument in the county recorder's office connecting the last record owner to the present heirs. Because Pennsylvania title chains can be long and the severance history complicated, this is one of the states where paying for a proper title search early tends to save money.
Pennsylvania is the only major producing state with no percent-of-value severance tax, which sounds like an advantage and is one. But post-production costs erase much of it. In the Marcellus, gas must be gathered, compressed, dehydrated, processed and moved a long way to market, and if your lease permits those costs to be netted back against royalty they come out of your check. The Pennsylvania Supreme Court held in Kilmer v. Elexco Land Services that the net-back method is compatible with the statutory one-eighth minimum royalty, so even a lease at the statutory floor can pay materially less than one-eighth of gross wellhead value. Two neighbouring tracts with identical production and identical stated royalty fractions can be worth very different amounts because of deduction language alone. Before you value an inherited Pennsylvania interest, read the lease.
Pennsylvania rewards doing the title work in a specific order, because the answers cascade. Start with the instrument that put the minerals in your family — not the most recent deed, but the original severance or reservation. That document decides whether you own oil and gas at all under Dunham's Rule, and everything downstream is moot if the answer is no. It will be in the Recorder of Deeds office in the county where the land sits, and in older Pennsylvania chains it may be a nineteenth-century instrument indexed under a spelling that no longer matches your family name. Second, find the lease if one exists, and read the royalty clause and the post-production cost language together rather than separately — the stated fraction and the effective fraction after netback are different numbers, and the second one determines your check. Third, check the Register of Wills in the county where the decedent lived for the estate record, which often establishes passage of the minerals even where they were never itemised. Fourth, look up the wells: Pennsylvania's Department of Environmental Protection publishes unconventional well data by municipality, which tells you whether the tract is producing and who operates it. If the chain crosses a state line into an out-of-state decedent, plan on ancillary administration in the Pennsylvania county — it is routine, and it is what makes the interest conveyable.
We buy inherited Pennsylvania interests in the Marcellus counties and elsewhere in the state. When we underwrite, we look at the stated royalty fraction and the effective fraction after deductions as two different numbers, because that is what determines your actual cash flow. Wet-gas acreage in Washington and Greene carries NGL revenue that dry-gas acreage in Susquehanna and Bradford does not, and we price that difference explicitly. If the scope of your interest is unclear because of an old "minerals" reservation, tell us — we would rather work through it with you than have it surface at closing. Getting a number costs nothing and commits you to nothing.
Not necessarily, and this is the single most important question for an inherited Pennsylvania interest. Under Dunham's Rule a reservation of "minerals" is presumed to exclude oil and gas unless the instrument says otherwise. Confirm what your chain actually reserved before assuming you have something to sell.
No. Pennsylvania has no dormant mineral act, so a severed interest does not lapse because nobody used it. The risks here are about scope and lease terms, not about lapse.
Most often post-production costs. If your lease permits netback of gathering, compression, dehydration and processing, those are deducted from your royalty, and in the Marcellus they are large. In weak gas-price months they can consume most of the gross value. The lease language, not the state tax rate, is usually the explanation.
Usually yes, through ancillary administration in the county where the minerals sit, so that a recordable instrument exists in the Pennsylvania chain of title. This is routine and it is what lets an operator pay you and a buyer close.
It changes what your royalty is made of. Washington and Greene county acreage in the southwest produces wet gas containing ethane, propane and butane, which are separated at a processing plant and sold as a second revenue stream. Susquehanna, Bradford, Lycoming and Tioga in the northeast produce dry gas with no liquids uplift, so revenue tracks the gas price alone. Wet-gas interests generally carry more value per unit of production, and the two behave differently across a commodity cycle.
Send the legal description and a check stub if you have one. If the probate was never finished we can still look — that situation is ordinary and we work through it with families regularly. Written offer in 48 hours, no cost, no obligation.
This page describes how inherited mineral interests generally work in this state. It is not legal advice, statutes and court practice change, and the right answer for your family depends on the specific instruments in your chain of title. Confirm anything load-bearing with an attorney licensed in the state.