Little Lady 21 S 11-64 21-10-1
API 12349876 · Weld County, Colorado · HEREFORD field
PROW
API
12349876
Operator
BISON IV OPERATING LLC
County
Weld
Field
Location
Spudded
2025-10-23
Production
8 monthly filings with Colorado, Oct 2025 to May 2026. Each product is in its own unit and the four are never added.
Cumulative oil
38,004 bbl
Cumulative gas
74,545 MCF
Cumulative water
197,653 bbl
| Period | Oil (bbl) | Gas (MCF) | Water (bbl) | Days |
|---|---|---|---|---|
| May 2026 | 8,471 | 22,797 | 24,594 | 31 |
| Apr 2026 | 11,054 | 30,298 | 35,617 | 30 |
| Mar 2026 | 13,589 | 16,532 | 54,024 | 30 |
| Feb 2026 | 4,890 | 4,918 | 83,418 | 20 |
| Jan 2026 | — | — | — | 0 |
| Dec 2025 | — | — | — | 0 |
| Nov 2025 | — | — | — | 0 |
| Oct 2025 | — | — | — | 0 |
A dash is a period the well filed with no volume for that product.
Wellbore
Colorado files the bottom of each bore of this well, and not the path between.
Bore
Horizontal
Deepest station
24,332 ft
True vertical depth
7,673 ft
Reach from well head (derived)
15,551 ft
Bearing (derived)
6°
Bores
1
The line on the map joins the well head to the bottom of each bore. It is a statement about those two points and not about the path between them, which Colorado does not file. The reach and bearing are derived from two points Colorado filed. Neither is a figure the operator reported.
Location
40.900211, -104.542848
40.90021, -104.54285 · Surface location as filed with Colorado⌘ or Ctrl + scroll to zoom
Every well in Weld County, Colorado
Colorado state record, from CO_wells_WELLS_SHP.parquet. Corpus built 2026-09-11.