BBakken SubsurfaceNorth Dakota well index

Spacing unit · Williams County

1,280-acre Bakken spacing unit

T155N R97W sections 28, 33

Spacing unit8 wells allowed · order 25503Dollar Joe-Bakken

Unit facts

Formation
Bakken
Acres
1,280
Type
Spacing unit
Land described
T155N R97W sections 28, 33
Pool
Dollar Joe-Bakken
Zone
Zone I
County
Williams County
Surveyed wells inside
11
Most wells operated by
Continental Resources
Unit id
dsu-c1bc9539fbe89ddbedc0
Wells allowed by the latest linked order
8
Wells assigned to this unit
7
Pending permits inside
0
Balance under the allowance
-3
First linked order
Jul 19, 2010
Laterals that still fit (Nov 2026 method)
2 (1.91 two-mile equivalents)
Neighbourhood target density
8.54 two-mile laterals per 1,280 acres
Density drilled so far
6.47 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

MADISON 1-28HMADISON 2-28HMADISON 3-28HMADISON 4-28H1MADISON 6-28H1MADISON 7-28HMADISON 5-28HPIERRE FEDERAL 7-21HPIERRE FEDERAL 6-21H1PIERRE 5-21HPIERRE 4-21H11 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
MADISON 1-28HCONTINENTAL RESOURCES, INC.Active (A)10,435 ft100%
MADISON 2-28HCONTINENTAL RESOURCES, INC.Active (A)10,261 ft100%
MADISON 3-28HCONTINENTAL RESOURCES, INC.Active (A)10,164 ft100%
MADISON 4-28H1CONTINENTAL RESOURCES, INC.Active (A)8,010 ft100%
MADISON 6-28H1CONTINENTAL RESOURCES, INC.Active (A)7,473 ft100%
MADISON 7-28HCONTINENTAL RESOURCES, INC.Active (A)7,452 ft100%
MADISON 5-28HCONTINENTAL RESOURCES, INC.Active (A)6,882 ft100%
PIERRE FEDERAL 7-21HCONTINENTAL RESOURCES, INC.Active (A)2,643 ft20%
PIERRE FEDERAL 6-21H1CONTINENTAL RESOURCES, INC.Active (A)2,159 ft17%
PIERRE 5-21HCONTINENTAL RESOURCES, INC.Active (A)1,576 ft13%
PIERRE 4-21H1CONTINENTAL RESOURCES, INC.Active (A)1,508 ft13%

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 14705Case 12449Established the spacing unit, 1 well allowedCONTINENTAL RESOURCES, INC.
  2. Order 14705Case 12449Designated the spacing unitCONTINENTAL RESOURCES, INC.
  3. Order 15584Case 13307Pooled all interests in the unitCONTINENTAL RESOURCES, INC.
  4. Order 16987Case 14709Designated the spacing unit, 7 wells allowedXTO ENERGY INC.
  5. Order 17120Case 14844Established the spacing unit, 7 wells allowedCONTINENTAL RESOURCES, INC.
  6. Order 18881Case 16612Listed the unit in a pool zone table, 8 wells allowedWHITING OIL & GAS CORP.
  7. Order 19829Case 17559Established the spacing unit, 1 well allowedCONTINENTAL RESOURCES, INC.
  8. Order 19829Case 17559Listed the unit in a pool zone table, 8 wells allowedCONTINENTAL RESOURCES, INC.
  9. Order 35003Case 32248Designated the spacing unitCONTINENTAL RESOURCES, 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

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