BBakken SubsurfaceNorth Dakota well index

Spacing unit · Williams County

2,560-acre Bakken spacing unit

T155N R100W sections 10, 11, 14, 15

Spacing unit10 wells allowed · order 31932Stony Creek-Bakken

Unit facts

Formation
Bakken
Acres
2,560
Type
Spacing unit
Land described
T155N R100W sections 10, 11, 14, 15
Pool
Stony Creek-Bakken
Zone
Zone X
County
Williams County
Surveyed wells inside
15
Most wells operated by
Kraken / Neptune / Zavanna
Unit id
dsu-1e086b97acd3ef5f3087
Wells allowed by the latest linked order
10
Wells assigned to this unit
0
Pending permits inside
0
Balance under the allowance
-5
First linked order
Feb 27, 2020
Laterals that still fit (Nov 2026 method)
4 (3.79 two-mile equivalents)
Neighbourhood target density
8.11 two-mile laterals per 1,280 acres
Density drilled so far
4.89 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

Mastiff 22-3 1HBoxer 22-3 2HMastiff 22-11 4H XEBoxer 22-3 3HMastiff 22-3 3HMastiff 22-3 2HLION 1-14HWILDCAT 1-11HOCELOT 1-15HCHEETAH 1-10HPANTHER 16-22 5TFH XESHEPHERD 3-11 1HSHEPHERD 3-11 2TFHSHEPHERD 3-11 3HSHEPHERD 3-11 4TFH1 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
Mastiff 22-3 1HZavanna Energy Operating, LLCActive (A)10,380 ft64%
Boxer 22-3 2HZavanna Energy Operating, LLCActive (A)10,360 ft67%
Boxer 22-3 3HZavanna Energy Operating, LLCActive (A)10,357 ft67%
Mastiff 22-11 4H XEZavanna Energy Operating, LLCActive (A)10,357 ft100%
Mastiff 22-3 3HZavanna Energy Operating, LLCActive (A)10,342 ft67%
Mastiff 22-3 2HZavanna Energy Operating, LLCActive (A)10,337 ft67%
LION 1-14HZavanna Energy Operating, LLCActive (A)6,878 ft100%
WILDCAT 1-11HZavanna Energy Operating, LLCActive (A)5,980 ft100%
OCELOT 1-15HZavanna Energy Operating, LLCActive (A)5,833 ft100%
CHEETAH 1-10HZavanna Energy Operating, LLCInactive (IA)5,697 ft100%
PANTHER 16-22 5TFH XEZavanna Energy Operating, LLCActive (A)5,088 ft50%
SHEPHERD 3-11 1HZavanna Energy Operating, LLCActive (A)4,733 ft41%
SHEPHERD 3-11 2TFHZavanna Energy Operating, LLCActive (A)3,300 ft31%
SHEPHERD 3-11 3HZavanna Energy Operating, LLCActive (A)2,238 ft25%
SHEPHERD 3-11 4TFHZavanna Energy Operating, LLCActive (A)1,007 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 30609Case 28153Listed the unit in a pool zone table, 10 wells allowed
  2. Order 33401Case 30742Established the spacing unitZAVANNA, LLC
  3. Order 35354Case 32515Designated the spacing unitZAVANNA, 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

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