MARKHAM 11
API 12343275 · Weld County, Colorado · WATTENBERG field
PROW
API
12343275
Operator
1876 RESOURCES LLC
County
Weld
Field
Location
Spudded
2016-08-04
Measured depth
12,158 ft
True vertical depth
7,286 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
7,629 bbl
Cumulative gas
36,338 MCF
Cumulative water
2,845 bbl
| Period | Oil (bbl) | Gas (MCF) | Water (bbl) | Days |
|---|---|---|---|---|
| May 2026 | 414 | 2,452 | 77 | 31 |
| Apr 2026 | 550 | 3,171 | 155 | 30 |
| Mar 2026 | 640 | 3,610 | 194 | 31 |
| Feb 2026 | 520 | 2,459 | 138 | 28 |
| Jan 2026 | 534 | 2,895 | 152 | 31 |
| Dec 2025 | 632 | 2,151 | 207 | 31 |
| Nov 2025 | 529 | 1,588 | 176 | 30 |
| Oct 2025 | 589 | 4,137 | 280 | 31 |
| Sep 2025 | 632 | 3,016 | 260 | 30 |
| Aug 2025 | 463 | 2,110 | 205 | 31 |
| Jul 2025 | 573 | 2,951 | 258 | 31 |
| Jun 2025 | 466 | 2,239 | 214 | 30 |
| May 2025 | 518 | 1,787 | 250 | 31 |
| Apr 2025 | 528 | 1,626 | 279 | 29 |
| Mar 2025 | — | — | — | 0 |
| Feb 2025 | — | — | — | 0 |
| Jan 2025 | — | — | — | 0 |
| Dec 2024 | — | — | — | 0 |
| Nov 2024 | 41 | 146 | — | 29 |
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
12,158 ft
True vertical depth
7,286 ft
Reach from well head (derived)
3,302 ft
Bearing (derived)
266°
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
40.269070, -105.023130
40.26907, -105.02313 · 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.