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North Dakota · County

Mountrail County, North Dakota: oil & gas wells, operators and production

Mountrail County has 5,753 wells in the NDIC well file — 3,700 of them producing today (3,700 oil, 0 gas), 240 permitted, 0 spudded but not yet completed, and 823 plugged and abandoned. The most active operator by well count is Hess Bakken Investments Ii, LLC. Figures come from the 2026-09-29 NDIC bulk file; production runs through 2026-07.

5,753Wells
3,700Producing
3,971Reported last 12 mo
74,812,913Bbl oil / 12 mo
180,274,310Mcf gas / 12 mo

Top operators in Mountrail County

OperatorWells
Hess Bakken Investments Ii, LLC1,034
Eog Resources, INC.949
Whiting Oil And Gas Corporation835
Slawson Exploration Company, INC.598
Marathon Oil Company329
Oasis Petroleum North America LLC326
Devon Energy Williston, L.l.c.311
Hunt Oil Company192
Continental Resources, INC.177
Silver Hill Energy Operating, LLC86

Fields & pools

FieldWells
Sanish1,000
Parshall853
Alger490
Big Bend463
Alkali Creek339
Reunion Bay317
Robinson Lake262
Stanley248
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Other North Dakota counties

Adams County11 wells · 0 producing Barnes County9 wells · 0 producing Benson County19 wells · 0 producing Billings County1,988 wells · 416 producing Bottineau County2,535 wells · 403 producing Bowman County1,578 wells · 458 producing Burke County2,109 wells · 486 producing Burleigh County53 wells · 0 producing Cass County1 wells · 0 producing Cavalier County27 wells · 0 producing Dickey County10 wells · 0 producing Divide County1,908 wells · 871 producing Dunn County5,238 wells · 3,386 producing Eddy County9 wells · 0 producing Emmons County42 wells · 0 producing Foster County15 wells · 0 producing Golden Valley County378 wells · 68 producing Grand Forks County31 wells · 0 producing Grant County28 wells · 0 producing Griggs County24 wells · 0 producing Hettinger County39 wells · 0 producing Kidder County6 wells · 0 producing Lamoure County6 wells · 0 producing Logan County19 wells · 0 producing Mchenry County170 wells · 8 producing Mcintosh County16 wells · 0 producing Mckenzie County10,990 wells · 5,775 producing Mclean County232 wells · 43 producing Mercer County49 wells · 0 producing Morton County40 wells · 0 producing Mountrail County5,753 wells · 3,700 producing Nelson County46 wells · 0 producing Oliver County29 wells · 0 producing Pembina County6 wells · 0 producing Pierce County44 wells · 0 producing Ramsey County41 wells · 0 producing Ransom County2 wells · 0 producing Renville County1,506 wells · 160 producing Richland County3 wells · 0 producing Rolette County57 wells · 0 producing Sargent County1 wells · 0 producing Sheridan County16 wells · 0 producing Sioux County6 wells · 0 producing Slope County365 wells · 16 producing Stark County929 wells · 244 producing Steele County27 wells · 0 producing Stutsman County24 wells · 0 producing Towner County28 wells · 0 producing Walsh County4 wells · 0 producing Ward County489 wells · 5 producing Wells County27 wells · 0 producing Williams County6,954 wells · 3,715 producing