BBakken SubsurfaceNorth Dakota well index

Spacing unit · Dunn County

1,280-acre Bakken spacing unit

T146N R95W sections 26, 35

Spacing unit7 wells allowed · order 32749Killdeer-Bakken

Unit facts

Formation
Bakken
Acres
1,280
Type
Spacing unit
Land described
T146N R95W sections 26, 35
Pool
Killdeer-Bakken
Zone
Zone III
County
Dunn County
Surveyed wells inside
8
Most wells operated by
Burlington / Marathon
Unit id
dsu-df959182ad541dbe7f57
Wells allowed by the latest linked order
7
Wells assigned to this unit
8
Pending permits inside
0
Balance under the allowance
-1
First linked order
Dec 18, 2006
Review note
over_allowance
Laterals that still fit (Nov 2026 method)
2 (1.9 two-mile equivalents)
Neighbourhood target density
10.3 two-mile laterals per 1,280 acres
Density drilled so far
8.37 per 1,280 acres

Room to drill: 2 laterals still fit at the density this unit's neighbourhood has reached (the larger of the 75th percentile of mature units within 10 miles and the median of units drilled in the last three years), placed in the widest gaps with the setbacks of the November 2026 method. Machine-made and geometric: not a commitment to drill, not a permit, order, lease or plan, and no economics. Land is counted once, so a unit under a larger unit shows only what the larger one left. How it is computed.

Map

WARDNER 24-35HSNIDER 41-26TFHHIGGINS 31-26TFHZIMMERMAN 21-26TFHHERB 14-35HWARDNER 14-35HJAKOB 14-35TFHREBECCA 31-26H1 mi

DMR footprint (NAD83) with the published surface locations of its wells. Laterals run under the unit; pads often sit on a neighbouring section.

Open in the regional 3D viewerFootprint, wells and production playbackSee on the cases and orders mapHistorical spacing units by order

Wells inside the unit

WellOperatorStatusLateral inside
WARDNER 24-35HMARATHON OIL COMPANYActive (A)20,287 ft100%
SNIDER 41-26TFHMARATHON OIL COMPANYActive (A)10,784 ft100%
HIGGINS 31-26TFHMARATHON OIL COMPANYActive (A)10,184 ft100%
ZIMMERMAN 21-26TFHMARATHON OIL COMPANYInactive (IA)9,702 ft100%
HERB 14-35HMARATHON OIL COMPANYActive (A)9,344 ft100%
WARDNER 14-35HMARATHON OIL COMPANYActive (A)9,338 ft100%
JAKOB 14-35TFHMARATHON OIL COMPANYAbandoned (AB)9,326 ft100%
REBECCA 31-26HMARATHON OIL COMPANYActive (A)8,442 ft100%

Surveyed Bakken-system laterals with at least 660 ft of plan-view length inside the published footprint. Geometric membership, not a legal assignment; a lateral can cross several units.

Order history

  1. Order 10839Case 9226Designated the spacing unit
  2. Order 13323Case 11073Pooled all interests in the unitMARATHON OIL CO.
  3. Order 13856Case 11701Designated the spacing unitXTO ENERGY INC.
  4. Order 14362Case 12112Designated the spacing unit, 2 wells allowedMARATHON OIL CO. TO AMEND THE APPLICABLE ORDERS
  5. Order 15253Case 12986Established the spacing unit, 4 wells allowedMARATHON OIL CO.
  6. Order 15459Case 12291Listed the unit in a pool zone table, 3 wells allowed
  7. Order 15644Case 13368Listed the unit in a pool zone table, 4 wells allowedMARATHON OIL CO.
  8. Order 18849Case 15332Listed the unit in a pool zone table, 4 wells allowed
  9. Order 18404Case 16140Listed the unit in a pool zone table, 7 wells allowedMARATHON OIL CO.
  10. Order 21858Case 19556Designated the spacing unit, 7 wells allowedXTO ENERGY INC.

Facts extracted from signed NDIC orders whose land description covers this footprint; machine-extracted and not human-reviewed. A stated allowance is what that order allowed, not proof that it governs today.

Overlapping units

2 other units share a surveyed well with this one; overlapping units are not additive.