BBakken SubsurfaceNorth Dakota well index

Spacing unit · Divide County

800-acre Bakken spacing unit

T164N R98W sections 30, 31

Spacing unit7 wells allowed · order 33146Ambrose-Bakken

Unit facts

Formation
Bakken
Acres
800
Type
Spacing unit
Land described
T164N R98W sections 30, 31
Pool
Ambrose-Bakken
Zone
Zone IV
County
Divide County
Surveyed wells inside
2
Most wells operated by
Formentera
Unit id
dsu-fd25d451ffbb0defa063
Wells allowed by the latest linked order
7
Wells assigned to this unit
2
Pending permits inside
0
Balance under the allowance
+5
First linked order
Aug 1, 2011
Laterals that still fit (Nov 2026 method)
4 (2.3 two-mile equivalents)
Neighbourhood target density
5.09 two-mile laterals per 1,280 acres
Density drilled so far
1.62 per 1,280 acres

Room to drill: 4 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

TUNDRA 3130 3TFH (30-31-164-98)TUNDRA 3130 4TFH (30-31-164-98)1 mi

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

Wells inside the unit

WellOperatorStatusLateral inside
TUNDRA 3130 3TFH (30-31-164-98)FORMENTERA OPERATIONS, LLCActive (A)5,591 ft100%
TUNDRA 3130 4TFH (30-31-164-98)FORMENTERA OPERATIONS, LLCPlugged and abandoned (PA)4,642 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 16836Case 14558Established the spacing unit, 1 well allowedSAMSON RESOURCES CO.
  2. Order 16836Case 14558Designated the spacing unitSAMSON RESOURCES CO.
  3. Order 19295Case 17027Designated the spacing unitSAMSON RESOURCES CO.
  4. Order 20164Case 17895Pooled all interests in the unitSAMSON RESOURCES CO.
  5. Order 20049Case 17780Designated the spacing unit, 7 wells allowedSM ENERGY CO.
  6. Order 20192Case 17923Established the spacing unit, 7 wells allowedSAMSON RESOURCES CO.
  7. Order 22742Case 20436Pooled all interests in the unitBAKKEN HUNTER, LLC,

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.