GRATTAN 4A-30H
API 12334369 · Weld County, Colorado · WATTENBERG field
PRGW
API
12334369
Operator
BISON IV OPERATING LLC
County
Weld
Field
WATTENBERG
Spudded
2012-02-29
Measured depth
10,980 ft
True vertical depth
6,952 ft
Production
19 monthly filings with Colorado, Nov 2024 to May 2026. Each product is in its own unit and the four are never added.
Cumulative oil
3,294 bbl
Cumulative gas
8,080 MCF
Cumulative water
1,121 bbl
| Period | Oil (bbl) | Gas (MCF) | Water (bbl) | Days |
|---|---|---|---|---|
| May 2026 | 688 | 1,239 | 123 | 31 |
| Apr 2026 | 346 | 859 | 50 | 30 |
| Mar 2026 | 409 | 856 | 65 | 23 |
| Feb 2026 | 159 | 374 | 13 | 19 |
| Jan 2026 | 70 | 144 | 8 | 6 |
| Dec 2025 | 122 | 449 | 12 | 17 |
| Nov 2025 | 75 | 165 | 42 | 20 |
| Oct 2025 | 200 | 549 | 44 | 31 |
| Sep 2025 | 155 | 454 | 84 | 23 |
| Aug 2025 | 148 | 462 | 36 | 31 |
| Jul 2025 | 198 | 561 | 98 | 31 |
| Jun 2025 | 134 | 396 | 466 | 22 |
| May 2025 | 242 | 633 | 24 | 30 |
| Apr 2025 | 46 | 115 | 4 | 5 |
| Mar 2025 | 11 | 24 | 1 | 2 |
| Feb 2025 | — | — | — | 0 |
| Jan 2025 | — | — | — | 0 |
| Dec 2024 | 82 | 237 | 11 | 12 |
| Nov 2024 | 209 | 563 | 40 | 27 |
A dash is a period the well filed with no volume for that product.
Location
40.104036, -104.585914
40.10404, -104.58591 · 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 2026-08-19.