Home / Where We Buy / North Dakota / Mountrail County
North Dakota · Williston Basin · Bakken Origin

Sell Mineral Rights
in Mountrail County,
North Dakota.

Mountrail County is where the modern Bakken began. The 2006 Parshall Field discovery here proved that horizontal drilling and hydraulic fracturing could unlock the formation at scale. Production has matured but the cumulative mineral value, royalty income history, and remaining inventory continue to make Mountrail meaningful for mineral owners. We are happy to help you understand what you have.

20%
of ND Oil
2024 state production
~10,000ft
Bakken Depth
shallower than McKenzie
10,000ft
Standard Lateral
two-mile horizontal
2006
Modern Play Start
Parshall Field discovery
1,280ac
Standard DSU
2 section spacing
01 The Basin

Where the modern Bakken
started.

EOG Resources discovered Parshall Field in Mountrail County in 2006. That well, drilled into the Middle Bakken using horizontal techniques and multi-stage hydraulic fracturing, produced economic volumes of oil from a formation that had been written off as too tight to develop. It was the proof of concept that turned the Williston Basin into one of the largest US oil plays of the 21st century.

Mountrail produced about 229,000 barrels per day on average in 2024 and remains one of the top oil-producing counties in the country. The county is more mature than McKenzie, with about 17 percent of state rig activity, but cumulative production over nearly two decades of development means royalty income history is deep and mineral ownership is meaningful.

Parshall Field changed everything. Mountrail County is where mineral owners first started receiving the kind of royalty income that defined the modern Bakken story.

If you are reading this, you probably own a piece of that. Many Mountrail County mineral interests have been producing for fifteen years or more, generating cumulative royalty income that adds up. Some owners have inherited interests they did not know existed. Others are evaluating whether to keep collecting royalties or convert to a present-value sale. This page walks through the rock, the operators, the geography, valuation, and the regulatory landscape.

Starting point

Have minerals in Mountrail County? Send us what you have and we will take a look.

Send Us the Details →
02 The Rock

The original Middle Bakken
discovery story.

Mountrail County's productive geology is anchored by the same two unconventional reservoirs that drive the rest of the basin: Middle Bakken and Three Forks. Mountrail's distinguishing feature is depth: the Bakken is shallower here than in McKenzie or Dunn, which has historically meant lower drilling costs and faster paybacks per well.

Middle BakkenParshall Field origin

The Middle Bakken is the formation that defined the modern Bakken play. EOG Resources first proved it economic in Mountrail County's Parshall Field in 2006. The formation here sits a bit shallower than in counties further west, often at depths under 10,000 feet, which kept early drilling costs manageable and helped accelerate the play's development.

For Mountrail mineral owners, the Middle Bakken has been the dominant source of royalty income for nearly two decades. Many spacing units have multiple Middle Bakken wells from different vintages, and some are still being drilled with longer laterals on infill spacing.

Depth Range
9,000 to 10,500 ft
Type
Siltstone and dolomite
Discovery Year
2006 (Parshall)
Lead Operators
Hess, Chord, EOG
Three Forkssecondary unconventional target

Below the Bakken sits the Three Forks formation. Three Forks development came later in Mountrail than Middle Bakken development, but has added meaningful inventory to many spacing units. The upper Three Forks benches are the primary current target. Some Mountrail spacing units have only their first or second Three Forks well drilled, which leaves real remaining inventory even on heavily-developed units.

For mineral owners, the Three Forks has extended the productive life of many Mountrail interests. Each new Three Forks well adds another revenue stream on the same minerals.

Depth Range
10,000 to 11,500 ft
Type
Carbonate and shale
Active Benches
Bench 1 primarily
Common Pairing
Stacked with Bakken
Sanish & Other Playsfield-specific intervals

Sanish Field, also discovered through horizontal Middle Bakken drilling in Mountrail in the late 2000s, became one of the most productive Bakken fields ever. Several other named fields in Mountrail (Alger, Brooklyn, Van Hook) sit across the same Middle Bakken trend.

The practical implication for mineral owners is that legacy royalty income on many Mountrail interests reflects multiple wells across multiple field-defined boundaries. Field names matter for production accounting but the underlying formation and royalty mechanics are the same.

Sanish Field
Mountrail prolific
Other Fields
Alger, Brooklyn, Van Hook
Status
Mature, producing
Where Active
Across central county
03 The Operators

Who is drilling on your
Mountrail County minerals.

Mountrail County's operator landscape consolidated through the 2020 to 2024 mergers. Hess (now Chevron), Chord Energy, EOG Resources, and a handful of others cover the bulk of current activity. Mountrail's distinguishing feature is the long history of operators of record on legacy wells, which means many royalty owners have seen multiple operators on the same minerals over time.

i.
Chevron (Hess Bakken)
Chevron acquired Hess Corporation in 2024, inheriting Hess's Bakken position. Hess had been the dominant operator in much of Mountrail County for over a decade, and the Hess Bakken assets account for roughly 10 percent of North Dakota oil production. Mountrail mineral owners with Hess-era leases will see them transition to Chevron over time. Hess had built one of the more efficient Bakken drilling programs before the acquisition.
Major · Hess legacy
Largest in Mountrail
ii.
Chord Energy
Chord Energy was formed by the 2022 merger of Oasis Petroleum and Whiting Petroleum, and expanded further by acquiring Enerplus in 2024. Chord has significant Mountrail acreage and is one of the more active drillers in the county. The combined Whiting-Oasis-Enerplus position included substantial Sanish Field exposure.
Public · Pure-play Bakken
Top 3 in Mountrail
iii.
EOG Resources
EOG Resources discovered the modern Bakken in Mountrail County's Parshall Field in 2006. The company remains active in the county, though Mountrail is no longer the primary focus of its broader Bakken program. Many of the county's earliest and most prolific wells were EOG-operated, and the company's name appears on a substantial number of legacy royalty statements.
Public · Discovery operator
Founder of the Modern Bakken
iv.
Continental Resources
Continental holds meaningful Mountrail County acreage as part of its broader Bakken footprint. The company is the largest oil producer in North Dakota overall but its Mountrail position is smaller than its McKenzie or Dunn positions. Continental went private in 2022 under founder Harold Hamm.
Private · Largest in ND
16% of ND Oil
v.
Long Tail of Legacy Operators
Mountrail has the longest operator history in the modern Bakken, which means many wells have changed hands multiple times since their original drilling. Operators of record on legacy wells include various private operators that took over assets in divestitures, smaller independents, and historical operators whose positions have been absorbed by the consolidators above. Mineral owners may see different names on different wells within the same spacing unit.
Mixed · Long history
Many Legacy Operators
See a familiar name?

We know how these operators develop in Mountrail County. Happy to give you context on yours.

Ask About Your Operator →
04 The Geography

Not all Mountrail County
minerals are built the same.

Mountrail County covers about 1,800 square miles in the heart of the Williston Basin. Stanley is the county seat. The Bakken core fairway runs through the central and southern part of the county, with the Fort Berthold reservation overlapping along the southern edge. Where in the county your minerals sit shapes everything from operator activity to remaining drilling inventory.

Parshall Field Area
T152N-T154N R89W-R91W
The historic discovery area of the modern Bakken. EOG drilled the first economic horizontal Middle Bakken well here in 2006. Spacing units in this area have the longest production history in the modern Bakken and have generated substantial cumulative royalty income for mineral owners.
Activity: Mature Development: Historic core
Sanish Field Area
T152N-T154N R91W-R94W
Sanish Field, southwest of Parshall, became one of the most prolific Bakken fields ever during the 2008 to 2014 development era. Spacing units here have multiple Middle Bakken and Three Forks wells, with continuing infill activity from the operators that emerged from the post-2020 consolidations.
Activity: High Development: Mature with infill
Stanley & Northern Mountrail
T155N-T158N R89W-R94W
Northern Mountrail centered on Stanley, the county seat and a regional service hub. Activity here is steady, with infill drilling on existing spacing units and selective new development. Several of the major operators run continuous programs in this area.
Activity: Steady Development: Active
Western Mountrail / Williams Border
T152N-T158N R94W-R96W
The western edge of Mountrail runs to the Williams County line. Activity here transitions toward the more active McKenzie-Williams core to the west. Newer development emphasizes longer laterals.
Activity: Moderate to High Development: Continuing
Fort Berthold Border
T149N-T151N R89W-R94W
Southern Mountrail County borders Fort Berthold reservation territory. Some sections include tribal trust minerals administered through the Bureau of Indian Affairs, while others are fee minerals adjacent to the reservation. The leasing process differs depending on which category your specific minerals fall into.
Activity: High Development: Active
Eastern Mountrail / Basin Edge
T152N-T158N R85W-R88W
Eastern Mountrail transitions toward the basin edge and Lake Sakakawea. Production thins here compared to the central Bakken core, and most of the development is legacy. Mineral interests in producing units along the eastern edge continue to receive royalty income from earlier-vintage wells.
Activity: Light Development: Legacy
05 Your Valuation

What your Mountrail County
mineral rights are worth.

Valuation in Mountrail County reflects the maturity of the play. Many spacing units have been producing for over a decade, with multiple wells already drilled. Cumulative royalty income on Mountrail interests is often substantial, but new drilling is more episodic than in McKenzie or Dunn. Remaining Three Forks inventory is the primary swing factor for forward-looking value.

01
Long-Producing Minerals with Royalty History
Common in Mountrail, valued on production trajectory
Many Mountrail County mineral interests have been producing for ten to fifteen years. Valuation typically starts with the trailing twelve months of royalty income, with adjustments for the well decline curve and any remaining undrilled inventory on the spacing unit. Mountrail's mature-field nature means buyers focus on production trajectory and remaining Three Forks potential rather than expected new drilling.
What shapes the number: trailing royalty income, well decline trends, remaining Three Forks bench inventory, your royalty rate, the operator quality, and lease cost-deduction language.
02
Inherited Royalties with Multi-Generation Ownership
Frequent pattern in Mountrail
Mountrail County mineral interests have often been subdivided across multiple generations of heirs since the original homestead patents from the early 1900s. Many current owners hold small fractional interests and may not have full visibility into the chain of title. We do this title research routinely and can help you understand what you actually own before any sale conversation.
What shapes the number: net mineral acre count, royalty rate if leased, producing status, accumulated unpaid suspense (sometimes meaningful for inherited interests), and whether other heirs holding the same chain are also active.
03
Unleased Minerals in Active Areas
Less common in Mountrail given maturity
Most Mountrail County minerals are leased given the play's age, but unleased interests still exist, particularly small fractional interests where an heir was not located during prior leasing efforts. Unleased minerals carry optionality because the buyer can negotiate lease terms with the operator before pooling. Value depends on operator activity in the immediate area.
What shapes the number: operator presence in the township, recent permitting activity, formation quality beneath your specific section, comparable lease bonuses paid on surrounding tracts, and whether the section is likely to be force pooled.
04
Legacy Interests with Suspense or Title Issues
Common in mature plays
Mountrail's long production history means many interests have accumulated complications: missed payments held in suspense, title issues from probate gaps, division order disputes, or operator changes that left some owners unaccounted for. We are comfortable working through these situations and can help you understand whether resolving the issues changes your options.
What shapes the number: current suspense balances, title chain integrity, division order accuracy, and the cost and timing of resolving any outstanding issues before closing a sale.
Your specific situation

We would rather look at real facts than speak in generalities. Send us what you have.

Request an Analysis →
06 The Regulatory Landscape

North Dakota rules,
Bakken realities.

Mountrail County operates under the standard North Dakota oil and gas regime, administered primarily by the North Dakota Industrial Commission. The on-the-ground realities reflect Mountrail's maturity, the substantial Fort Berthold reservation overlap along the southern edge, and the long history of operator changes on legacy wells.

The NDIC and how forced pooling works

The North Dakota Industrial Commission, through its Department of Mineral Resources Oil and Gas Division, regulates oil and gas activity on state and private minerals in Mountrail County. The NDIC permits wells, sets spacing, conducts public hearings on pooling and unitization applications, and maintains the public well database. Most spacing units in Mountrail are already established under existing pooling orders, so new pooling activity is less common than in younger Bakken counties.

Standard 1,280 acre DSU pattern

Modern Bakken development in Mountrail uses 1,280-acre drilling and spacing units. Some older units pre-date this standard pattern, which can occasionally create complications when newer infill wells need to be permitted across legacy unit boundaries. The NDIC handles these through unit modification orders.

The BLM and Fort Berthold reservation

Mountrail County has federal mineral acreage administered by the BLM Williston Field Office, plus significant overlap with the Fort Berthold reservation along the southern edge of the county. Mineral interests on tribal trust land are administered through the Bureau of Indian Affairs and have a different leasing process than state or private minerals. If your minerals are on or near the reservation, the analysis is more involved than for fee minerals.

Legacy operator changes and division orders

Mountrail's long production history means many wells have changed operators multiple times. Each operator change typically requires a new division order to be sent to mineral owners. If you have moved or your contact information has changed, division orders may not have reached you, which can lead to royalty income being held in suspense. We can help track down current operator contacts if your statements have stopped.

07 Questions We Hear Often

The real questions
mineral owners ask.

We have been through these conversations hundreds of times. Below are honest answers to the things people actually want to know.

01
How much are mineral rights worth in Mountrail County, North Dakota?
Values in Mountrail County vary widely depending on where in the county you own, the production history of your specific spacing unit, who the operator is, and how much remaining Three Forks inventory exists. Mountrail's mature production history means cumulative royalty income on long-held interests is often substantial, but the future trajectory matters more for forward-looking valuation. The only way to know what your specific minerals are worth is to look at the actual facts. We are happy to do that for you, at no cost and with no obligation to sell.
02
Why do my royalty checks keep changing operators?
Mountrail County has the longest production history in the modern Bakken, which means many wells have changed operators multiple times since they were first drilled. Each operator change requires a new division order. The well itself, the production, and your royalty interest do not change. Only the company sending you the check changes. If you stopped receiving checks at some point, it might be because a division order did not reach you after an operator change. We can help you track down the current operator and verify whether you have suspended royalties owed.
03
I inherited mineral rights in Mountrail County but I do not have any documents. What do I do?
You are not alone. This is one of the most common situations we see in Mountrail because so many interests have been inherited multiple times. Start by gathering anything you do have: old letters from operators, tax statements, probate records, royalty stubs, division orders. The Mountrail County Recorder's office in Stanley keeps deed records. The NDIC maintains a public database. We can usually identify what someone owns with just a name and a rough idea of where the minerals are located.
04
Should I sell my Mountrail County mineral rights now or hold them?
That depends on your situation. People who hold typically want long-term royalty income, do not need cash for other priorities, and are comfortable with declining production trajectories on mature wells. People who sell typically want to convert future uncertain income into certain present value, simplify their estate, or use the capital for something else. Mountrail's mature-field nature means the holding case for new activity is somewhat weaker than in younger Bakken counties, but cumulative royalty income on long-held interests has been meaningful. We can help you think through the tradeoffs without pressure to pick a side.
05
What is the difference between an offer to lease and an offer to buy my minerals?
Leasing gives an operator the right to develop your minerals for a period of time, typically three to five years, with extension if production is established. In exchange you receive a bonus payment per net mineral acre and a royalty percentage on any production. You still own the minerals. Buying transfers ownership entirely, in exchange for a lump sum. After a sale, you no longer own the minerals and you receive no future royalties. Both have their place. Buying typically delivers more value up front, leasing preserves long-term upside.
06
My minerals are on or near the Fort Berthold reservation. Does that change anything?
Yes, somewhat. Mineral interests held in trust for the Three Affiliated Tribes or for individual tribal members are administered through the Bureau of Indian Affairs, not the NDIC. The leasing and royalty payment processes are different from fee minerals. If your minerals are fee minerals adjacent to the reservation, the analysis is similar to other Mountrail minerals. If they are tribal trust minerals, additional considerations apply. We can help sort out which category your specific minerals fall into.
07
My royalty checks have been getting smaller every year. Is something wrong?
Probably not. Bakken wells follow a predictable production decline curve, with steep declines in the first few years and a long flatter tail. If your wells were drilled in the 2008 to 2014 era, declining checks reflect normal field maturity rather than anything wrong with the operator or your interest. Some Mountrail spacing units are now being infill-drilled, which can produce a step up in royalty income when new wells come online. We can pull the production history for your specific wells and tell you what the trajectory likely looks like going forward.
08
Can I sell mineral rights I inherited if other family members inherited the same minerals?
Yes, you can sell your undivided fractional interest without needing the other heirs to participate. This is extremely common in Mountrail County because so many original family interests have been split across multiple generations of heirs. A good buyer will work with your specific interest, not require you to round up cousins. We do this all the time.
09
How does the sale process actually work?
Step one, we do the research. You send us what you have, we pull NDIC and BLM records, we check production history and operator activity, and we build an analysis. Step two, we send you a written summary with our reasoning. Step three, if you want to proceed, we handle the mineral deed preparation, you sign at a notary, and funds are wired at close. We move on your timeline, whether that is quick or deliberate. There is no charge for the research and no obligation to sell.
10
Why should I sell to Timberline Minerals specifically?
We are a family-owned office with roots in Texas and Montana. We work across the primary US basins but we spend most of our time in the Powder River Basin, the DJ Basin, and the Williston Basin. That means we know Mountrail County geology, the long history of operator changes here, and the way the NDIC handles things. We are particularly comfortable working with mature, multi-vintage interests where production history matters as much as future development. We work with mineral interests of all sizes. You should always get multiple offers and we encourage it. If ours is not the best one you receive, that is useful information for you. Either way, we are happy to help you understand what you have.

Find out what your
Mountrail County minerals
are actually worth.

Send us what you have, or what you think you have. We will pull NDIC and BLM records, check production history and remaining inventory, and put together a plain-English summary with our reasoning laid out. If it makes sense to go further, we move on your timeline. If not, you have a free breakdown you can take anywhere.

Request a Valuation (512) 626-7267
Free · No Obligation · Your Timeline
08 Keep Reading

More for Mountrail County
mineral owners.

Guide · 6 min read
I inherited mineral rights. What now?
A walkthrough of the first few things to look at, whether you just found out or have been sitting on it for years.
Read the guide  →
Guide · 8 min read
How mineral rights are valued
The core inputs that go into a mineral valuation. Production, inventory, operator, lease terms, and what each one actually means in practice.
Read the guide  →
Guide · 5 min read
Producing vs non-producing minerals
Why producing minerals are valued differently from unleased or non-producing interests, and what each means for your options.
Read the guide  →
Market Pulse

Bakken status, April 2026

The Bakken produced approximately 1.18 million barrels per day of crude oil in March 2026, the most recent month with confirmed data, roughly flat against February and modestly below year-ago levels. Per-rig productivity continues to improve even as the active rig count has trended lower over the past twelve months. For McKenzie, Dunn, and Mountrail mineral owners, the practical takeaway is sustained operator focus on infill drilling within the most productive Three Forks and Middle Bakken intervals rather than aggressive expansion onto the play margins.

12 month oil production trend
1,180
thousand barrels per day
Latest month
+5(+0.4%)
thousand barrels per day
Month over month
-10(-0.8%)
thousand barrels per day
Year over year
Last updated April 2026. Source: US Energy Information Administration, Short-Term Energy Outlook (April 2026).