The Upper Devonian sands formation

Free written valuation

What are your Upper Devonian sands minerals worth?

Tell us about your interest and where to send the written valuation. It is free, there is no obligation, and this is an estimate, not an offer. Email is required so we can send your report. Phone is optional.

Leave this field blank

State Choose a state LouisianaTexasNew MexicoOklahomaNorth DakotaColoradoPennsylvaniaWest VirginiaOhioWyomingKansasArkansasMontanaUtahCaliforniaAlaska Other

Your name

Email (required to send your valuation)

Mailing address

Add details (optional) — helps us make you a faster, better offer

What kind of interest do you own? Not sure Producing — I get monthly or quarterly checks Leased but not producing — bonus paid, no checks yet Not leased / not producing — I just own the minerals I am not sure

County

Operator / who sends your checks

Average monthly royalty check (last 3 to 6 months) Prefer not to say $0 (not producing) $1–$100 $100–$500 $500–$2,000 $2,000–$10,000 $10,000+

Your check is the single fastest path to a value range. Fill the acres below instead if you do not get checks.

Net mineral acres

Royalty fraction Not sure 1/8 (12.5%), historical standard3/16 (18.75%), modern standard1/5 (20%), common in the Permian1/4 (25%), hot plays1/6 (16.67%), federal minimum since 2022

Unit size (acres)

Interest type, if you know it Not sure Royalty interest The minerals themselves Overriding royalty (ORRI) Working interest Non-participating royalty (NPRI)

How did you come to own it? Prefer not to say Inherited it Kept (reserved/severed) when family sold the land Purchased it

Phone (optional)

I agree that Ironwood Royalty may contact me by phone and text at the number I provided about the value of my mineral rights, including by automated means. Consent is not a condition of getting my valuation. Message and data rates may apply. I can opt out anytime by replying STOP.

I agree that Ironwood Royalty may email me my valuation and information about my mineral or royalty interest. I can unsubscribe at any time.

Ironwood Royalty buys mineral and royalty interests directly from owners. The valuation we send is an estimate, not an offer and not an appraisal. By submitting you agree to our Privacy Policy and to how your information is used. You can request deletion of your information at any time. Privacy Policy.

Send me my written valuation

The Upper Devonian sands shows up in state oil and gas commission well records as a producing formation or pool in 11 of the counties and parishes we cover, across the Appalachian Basin. Every county where it produces sits in the same basin, though well counts and operators differ county to county. Across those counties, state records show 37,806 active wells producing, with the heaviest activity in Indiana County, Armstrong County, Jefferson County. This page is built from the same public well-record data as our county pages, not a USGS geologic assessment, so it does not carry a play-wide resource estimate the way our larger flagship formation pages do.

Counties in the Upper Devonian sands play

These are the counties and parishes we cover where state commission records show the Upper Devonian sands producing. Each links to that county's own Upper Devonian sands well count and operators, not just the general county page.

What the Upper Devonian sands means for your minerals

A resource estimate for a play is not the value of your acreage. Your mineral and royalty interest is valued on the income your wells actually pay, roughly 36 to 72 times your average monthly royalty check, the same as 3 to 6 times your annual royalty. Where you land in that band depends on your wells decline, the operator, your royalty rate, and any undeveloped drilling upside. For the full method and a free on-screen estimate, see what are my mineral rights worth.

The Upper Devonian sands is part of the Appalachian Basin. For the basin-wide value bands and the counties we buy in, see the Appalachian Basin page.

Upper Devonian sands questions

Which counties does the Upper Devonian sands produce in?

State commission well records show the Upper Devonian sands producing in 11 counties we cover: Armstrong County, Butler County, Cambria County, Cameron County, Centre County, Clarion County, Clearfield County, Clinton County, Indiana County, Jefferson County, Mercer County. See each county's page for the full local well and operator picture.

How many wells produce from the Upper Devonian sands?

Across the counties we cover, state oil and gas commission records show about 37,806 active wells tied to the Upper Devonian sands. That figure is a sum across counties from public well records, not a measure of any one owner's interest.

What is a Upper Devonian sands mineral interest worth?

A Upper Devonian sands interest is valued the same way as any producing interest: roughly 36 to 72 times your average monthly royalty check. Where you land in that range depends on your wells' decline, the operator, your royalty rate, and any undeveloped drilling upside. This is an estimate, not an offer.

Sources

• Pennsylvania DEP oil and gas locations (PASDA / Penn State ArcGIS public service)

See what your Upper Devonian sands minerals could be worth

Run a free estimate for an honest on-screen range, then talk it through with a real person. An estimate, not an offer, and never any pressure.

Get my free valuation Talk to a person

• ✓ No commission, ever
• ✓ An honest range up front
• ✓ No obligation, no pressure