BBakken SubsurfaceNorth Dakota well index

Spacing unit · Williams County

1,920-acre Bakken spacing unit

T156N R102W sections 4, 9, 16

Spacing unit4 wells allowed · order 35807Bull Butte-Bakken

Unit facts

Formation
Bakken
Acres
1,920
Type
Spacing unit
Land described
T156N R102W sections 4, 9, 16
Pool
Bull Butte-Bakken
Zone
Zone IV
County
Williams County
Surveyed wells inside
6
Most wells operated by
Chord / Enerplus / Oasis / Whiting
Unit id
dsu-0d14d17bb04c5bd2f2be
Wells allowed by the latest linked order
4
Wells assigned to this unit
3
Pending permits inside
0
Balance under the allowance
-2
First linked order
Jan 3, 2023
Laterals that still fit (Nov 2026 method)
0
Neighbourhood target density
5.8 two-mile laterals per 1,280 acres
Density drilled so far
4.52 per 1,280 acres

Room to drill: 0 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

Archerfield 5602 43-16 5BXArcherfield 5602 43-16 3BArcherfield 5602 43-16 4BArcherfield 5602 43-16 2BXMILDRED 5602 43-9HHERBERT 5602 43-9H1 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
Archerfield 5602 43-16 5BXOASIS PETROLEUM NORTH AMERICA LLCActive (A)16,167 ft100%
Archerfield 5602 43-16 3BOASIS PETROLEUM NORTH AMERICA LLCActive (A)16,074 ft100%
Archerfield 5602 43-16 4BOASIS PETROLEUM NORTH AMERICA LLCActive (A)16,045 ft100%
Archerfield 5602 43-16 2BXOASIS PETROLEUM NORTH AMERICA LLCActive (A)10,431 ft65%
MILDRED 5602 43-9HOASIS PETROLEUM NORTH AMERICA LLCActive (A)10,114 ft100%
HERBERT 5602 43-9HOASIS PETROLEUM NORTH AMERICA LLCActive (A)5,159 ft50%

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 32131Case 29561Established the spacing unit, 4 wells allowedOASIS PETROLEUM NORTH AMERICA LLC
  2. Order 32154Case 29584Pooled all interests in the unitOASIS PETROLEUM NORTH AMERICA 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.

Overlapping units

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