BBakken SubsurfaceNorth Dakota well index

Spacing unit · Billings County

1,280-acre Bakken spacing unit

T140N R100W sections 16, 21

Spacing unit5 wells allowed · order 24153Park-Bakken

Unit facts

Formation
Bakken
Acres
1,280
Type
Spacing unit
Land described
T140N R100W sections 16, 21
Pool
Park-Bakken
Zone
Zone II
County
Billings County
Surveyed wells inside
3
Most wells operated by
Chord / Enerplus / Oasis / Whiting
Unit id
dsu-49db33055d299a6ca8e6
Wells allowed by the latest linked order
5
Wells assigned to this unit
3
Pending permits inside
0
Balance under the allowance
+2
First linked order
Mar 10, 2010
Laterals that still fit (Nov 2026 method)
3 (2.85 two-mile equivalents)
Neighbourhood target density
5.07 two-mile laterals per 1,280 acres
Density drilled so far
2.24 per 1,280 acres

Room to drill: 3 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

PRONGHORN STATE FEDERAL 41-16PHPRONGHORN STATE FEDERAL 21-16TFHROXANE 21-16 SWD1 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
PRONGHORN STATE FEDERAL 41-16PHWHITING OIL AND GAS CORPORATIONActive (A)12,183 ft100%
PRONGHORN STATE FEDERAL 21-16TFHWHITING OIL AND GAS CORPORATIONActive (A)9,108 ft100%
ROXANE 21-16 SWDANDEAVOR FIELD SERVICES LLCActive (A)2,088 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 14381Case 12131Established the spacing unit, 1 well allowedWHITING OIL & GAS CORP.
  2. Order 15649Case 13373Designated the spacing unit
  3. Order 15847Case 13571Pooled all interests in the unitWHITING OIL & GAS CORP.
  4. Order 16532Case 14257Designated the spacing unitWHITING OIL & GAS CORP.
  5. Order 17025Case 14750Designated the spacing unit, 4 wells allowedWHITING OIL & GAS CORP.
  6. Order 18386Case 16122Established the spacing unit, 4 wells allowedWHITING OIL & GAS CORP.
  7. Order 22369Case 20064Established the spacing unit, 5 wells allowedWHITING OIL AND GAS CORP.

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.