Sell Carbon County mineral rights
What Carbon County mineral and royalty interests are worth, who buys them, and how to sell directly to a principal buyer with no commission. Every figure is an estimate subject to verification of your specific interest.
Last updated June 2026.
What are Carbon County mineral rights worth?
Carbon County sits in the Bighorn Basin and is a steady, established producing county. Producing interests are valued on the standard income multiple, roughly 36 to 72 times your average monthly royalty check, and value moves with oil prices. Value rests mainly on existing production, and a steady interest can still be worth a meaningful multiple of its check. This is an estimate, subject to verification of your specific interest, not an offer.
Carbon County is Bighorn Basin acreage, in the Elk Basin field of the Bighorn Basin. The producing rock under Carbon County includes the Tensleep, Phosphoria, and Madison, giving owners an oil-weighted royalty check. Contango Resources, INC, Big SKY Energy, LLC, and Baldwin Lynch Energy Corp are among the operators on record here. The most recent drilling on record was spudded in 1990. Owners in Carbon County often sell to convert a long-held interest into cash, to settle an estate spread across several heirs, or because a modest steady check no longer justifies the recordkeeping.
Carbon County oil and gas activity
Public state commission records show 78 active oil and gas wells in Carbon County . The most recent drilling on record was spudded in 1990. These figures are pulled from the state oil and gas commission and are an activity snapshot, not a measure of any one owner's interest.
Top operators in Carbon County
The most active operators in Carbon County by well count, from the state commission. We name operators because the record is public; this is not an endorsement and implies no relationship.
- Contango Resources, INC. (47 wells)
- Big SKY Energy, LLC (30 wells)
- Baldwin Lynch Energy Corp. (1 wells)
Producing formations in Carbon County
The formations and pools that actually produce in Carbon County, from the well records:
- Tensleep
- Phosphoria
- Madison
Producing interests in the Bighorn Basin are valued on the standard income multiple, roughly 36 to 72 times the average monthly royalty check, with value leaning on existing production in an established area. Because production is oil-weighted, value moves with oil prices. This is an estimate, subject to verification, not an offer.
How Carbon County minerals are valued
Producing interests anywhere are valued on a multiple of the income they pay: roughly 36 to 72 times your average monthly royalty check, the same as 3 to 6 times your annual royalty. Average your last three to six checks, then multiply. Where you land inside that band depends mostly on how fast your wells decline, plus the operator, royalty rate, and any undeveloped drilling upside. For the full method and a free on-screen estimate, see what are my mineral rights worth.
Who buys mineral rights in Carbon County
Carbon County owners hear from brokers, marketplaces, and direct buyers. A broker lists your interest and takes a commission, usually up to 6 percent of your proceeds. Ironwood Royalty is a principal buyer, which means the offer comes from us and there is no commission in the middle. We show you a value range before we ask for anything, explain the undeveloped upside instead of quietly keeping it, and never use a 72-hour deadline to rush a decision on a generational asset.
How to sell Carbon County minerals
The order of operations is the same everywhere, and it protects you:
- Know your value range before you talk to any buyer.
- Ask every buyer to quote per net royalty acre so offers are truly comparable.
- Ask directly whether the offer accounts for undeveloped drilling upside.
- Confirm the price is firm and not subject to a quiet reduction during due diligence.
See the full walkthrough in how to sell mineral rights. If you inherited the interest, start with our guide for heirs, which covers recording title and the stepped-up basis that can make a near-term sale very tax-efficient.
Carbon County is part of the Bighorn Basin. For the basin-wide value bands and the other counties we buy in, see the Bighorn Basin page.
Carbon County mineral rights questions
- How much are Carbon County mineral rights worth?
- Producing Carbon County royalties are valued at roughly 36 to 72 times your average monthly royalty check. As established acreage, value leans on existing production and moves with oil prices. This is an estimate, not an offer.
- What formations produce in Carbon County?
- Carbon County produces from the Tensleep, Phosphoria, and Madison, which is why a single tract can sometimes be paid from more than one zone. Stacked pay can lift the total value even when each interest looks small. Your value still follows the same income multiple applied to your actual check.
- How active is drilling in Carbon County?
- State commission records show about 78 active oil and gas wells in Carbon County, with operators including Contango Resources, INC, Big SKY Energy, LLC, and Baldwin Lynch Energy Corp. We name operators because the record is public; this is not an endorsement. The activity is a county snapshot, not a measure of any one owner's interest.
Activity data for Carbon County: Montana Board of Oil and Gas Conservation (MBOGC) wells (Montana DNRC ArcGIS public service); county assignment via U.S. Census TIGERweb county boundaries (pulled 2026-06-17) . Public record, used with attribution.
See what your Carbon County 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.