BBakken SubsurfaceNorth Dakota well index

Spacing unit · Mountrail County

1,280-acre Bakken spacing unit

T153N R92W sections 26, 27

Spacing unit11 wells allowed · order 35866Sanish-Bakken

Unit facts

Formation
Bakken
Acres
1,280
Type
Spacing unit
Land described
T153N R92W sections 26, 27
Pool
Sanish-Bakken
Zone
Zone XXIII
County
Mountrail County
Surveyed wells inside
11
Most wells operated by
Chord / Enerplus / Oasis / Whiting
Unit id
dsu-d91497bd9a39bfbcb994
Wells allowed by the latest linked order
11
Wells assigned to this unit
6
Pending permits inside
0
Balance under the allowance
0
First linked order
Aug 28, 2007
Laterals that still fit (Nov 2026 method)
1 (0.95 two-mile equivalents)
Neighbourhood target density
9.5 two-mile laterals per 1,280 acres
Density drilled so far
8.35 per 1,280 acres

Room to drill: 1 lateral 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

Bigfoot 42-26-2TFHUSMITH 44-26HLEE FEDERAL 12-27TFHLEE 11-27HESTVOLD 42-26TFHBIGFOOT LS 23-22 #8HBREHM 42-35-2XHESTVOLD 44-26TFHESTVOLD 41-26HBREHM 41-35XHBREHM 42-35-3XH1 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
Bigfoot 42-26-2TFHUWHITING OIL AND GAS CORPORATIONActive (A)9,845 ft100%
SMITH 44-26HWHITING OIL AND GAS CORPORATIONActive (A)9,834 ft100%
LEE FEDERAL 12-27TFHWHITING OIL AND GAS CORPORATIONActive (A)9,662 ft100%
LEE 11-27HWHITING OIL AND GAS CORPORATIONActive (A)9,420 ft100%
ESTVOLD 42-26TFHWHITING OIL AND GAS CORPORATIONActive (A)8,903 ft100%
BIGFOOT LS 23-22 #8HWHITING OIL AND GAS CORPORATIONActive (A)8,682 ft84%
BREHM 42-35-2XHWHITING OIL AND GAS CORPORATIONActive (A)8,593 ft83%
ESTVOLD 44-26TFHWHITING OIL AND GAS CORPORATIONActive (A)8,398 ft100%
ESTVOLD 41-26HWHITING OIL AND GAS CORPORATIONActive (A)6,738 ft100%
BREHM 41-35XHWHITING OIL AND GAS CORPORATIONActive (A)4,973 ft51%
BREHM 42-35-3XHWHITING OIL AND GAS CORPORATIONActive (A)3,112 ft31%

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 11295Case 9615Established the spacing unitWHITING OIL & GAS CORP.
  2. Order 11296Case 9616Pooled all interests in the unitWHITING OIL & GAS CORP.
  3. Order 11399Case 9687Designated the spacing unitWHITING OIL & GAS CORP.
  4. Order 13904Case 11743Designated the spacing unit, 4 wells allowedWHITING OIL & GAS CORP.
  5. Order 15653Case 13377Established the spacing unit, 6 wells allowedWHITING OIL & GAS CORP.
  6. Order 23196Case 20890Designated the spacing unit, 6 wells allowedMUREX PETROLEUM CORP.
  7. Order 22284Case 19977Designated the spacing unit, 8 wells allowedFIDELITY EXPLORATION & PRODUCTION CO.
  8. Order 22284Case 19977Listed the unit in a pool zone table, 6 wells allowedFIDELITY EXPLORATION & PRODUCTION CO.
  9. Order 22761Case 20455Designated the spacing unit, 8 wells allowedOASIS PETROLEUM NORTH AMERICA LLC
  10. Order 23316Case 21010Designated the spacing unit, 8 wells allowedSLAWSON EXPLORATION CO., INC.
  11. Order 23316Case 21010Listed the unit in a pool zone table, 6 wells allowedSLAWSON EXPLORATION CO., INC.
  12. Order 22755Case 20449Established the spacing unit, 11 wells allowedWHITING OIL AND GAS CORP.
  13. Order 24251Case 21918Designated the spacing unit, 11 wells allowedOASIS PETROLEUM NORTH AMERICA LLC
  14. Order 31505Case 28954Designated the spacing unitWHITING 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.

Overlapping units

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