Corral Creek is an administrative Bakken field in Dunn County, North Dakota, established as horizontal development moved through the southern part of the Williston Basin core. Its defining documents are not discovery-well reports but North Dakota Industrial Commission orders creating twelve hundred and eighty acre spacing units for the drilling of multiple horizontal wells — in Corral Creek’s case, orders providing for as many as seven wells in a single unit. For mineral owners, those orders, rather than any well name, are what determine income.
Dunn County came into horizontal development after the initial Mountrail County results but during the same expansion, as operators worked outward to establish where the Middle Bakken and Three Forks would perform. Burlington Resources reported a Middle Bakken completion in the Corral Creek area producing four hundred and five barrels of forty-five degree API oil along with substantial gas and water — the kind of result that confirmed the interval rather than announcing a discovery in the older sense of the word.
Development proceeded through spacing orders rather than through lease-by-lease drilling. The Industrial Commission created twelve hundred and eighty acre units in the field for the express purpose of drilling up to seven horizontal wells apiece, a density that reflects both the stacked pay and the economics of long laterals. Burlington Resources and Continental Resources have both been active operators in the area. Owners whose interests were inherited before this era frequently find their tracts absorbed into units they were never asked to approve.
Well design here evolved along the same trajectory as everywhere else in the basin: longer laterals, more stages, and much larger proppant volumes over time, producing wide performance differences between wells drilled a few years apart within the same unit. Operator names have changed repeatedly through industry consolidation. Neither development alters the underlying interest, which is fixed by the deed and by the spacing order, but both make division-order arithmetic harder to follow than it looks.
Corral Creek produces from the Middle Bakken and the Three Forks in the southern part of the Williston Basin core. The Middle Bakken is a tight dolomitic siltstone with effectively no natural permeability, bounded by the organic-rich Bakken shales that generated the oil; the Three Forks below contributes dolomite benches that are productive across much of Dunn County. Reported oil quality in the area is light, around forty-five degrees API. Because the rock will not flow without an engineered fracture network, completion design drives well performance more than depth or structural position.
Corral Creek is developed by drilling, not by injection. Recovery factors in the Bakken are low, and additional barrels come from infill wells within the existing spacing units, from deeper Three Forks benches, from longer laterals, and from refracturing older wells that were completed with far less proppant than current designs use. No waterflood or carbon dioxide project of the kind that sustains conventional Williston Basin and Rocky Mountain fields operates here. Decline is steep and front-loaded, and it is a property of the reservoir rather than of the operator.
What a Dunn County interest is worth depends mostly on undrilled locations. Each twelve hundred and eighty acre unit may carry up to seven horizontal wells, so the number already drilled against that allowance is the single most useful thing to establish before valuing a tract. Existing wells have front-loaded much of their payment; remaining inventory is where the value concentrates. We buy minerals and royalties in Dunn County and provide free written offers.
County-level well data, production charts, and selling guides for the counties this field spans:
Spacing orders in the field have established twelve hundred and eighty acre units for the purpose of drilling up to seven horizontal wells each. How many have actually been drilled against that allowance varies unit by unit and is the first thing to check when valuing an interest.
Because the acreage is pooled into a spacing unit and production is allocated to tracts by formula. A well anywhere in the unit generates royalty for every tract in it, which is why a small position can participate in several wells at once.
It pays much more heavily in the early years and declines steeply, while conventional flood-supported fields in Montana and Wyoming pay small amounts almost flat for decades. The two require completely different valuation methods, and mixing them up is the most common pricing mistake owners encounter.