Lamar Formation
Operator-reported tops from 2,570 wells across 6 counties, median tops running 2,375–5,056 ft by county.
Top depth: 1,500 ft 5,227 ft
916 wells shown (sampled from 2,570)Depth by County
| County | Wells | Median Top | Typical Range | CSV |
|---|---|---|---|---|
| Reeves | 850 | 4,722 ft | 2,794–5,180 | ↓ |
| Ward | 646 | 4,853 ft | 4,697–5,123 | ↓ |
| Culberson | 453 | 2,375 ft | 1,436–2,548 | ↓ |
| Loving | 436 | 4,555 ft | 3,368–4,953 | ↓ |
| Pecos | 127 | 4,828 ft | 4,578–5,250 | ↓ |
| Winkler | 58 | 5,056 ft | 4,869–5,149 | ↓ |
Counties with fewer than 5 wells omitted. Depths are measured depth as filed; typical range is the 10th–90th percentile of reported tops — raw filings contain occasional typo depths, so extremes are not shown.
Most Active Operators
PERMIAN RESOURCES OPERATING, LLC 105 wells · 105 recent
CHEVRON U. S. A. INC. 364 wells · 81 recent
EOG RESOURCES, INC. 28 wells · 27 recent
VITAL ENERGY, INC. 16 wells · 16 recent
CIMAREX ENERGY CO. OF COLORADO 50 wells · 14 recent
U.S. ENERGY DEVELOPMENT CORP 12 wells · 12 recent
JETTA OPERATING COMPANY, INC. 97 wells · 11 recent
GREENLAKE ENERGY OPERATING, LLC 26 wells · 11 recent
PERMIAN RESOURCES OPERATING, LLC 18 wells · 11 recent
DIAMONDBACK E&P LLC 54 wells · 8 recent
CALLON PETROLEUM OPERATING CO 50 wells · 8 recent
TAP ROCK OPERATING, LLC 8 wells · 8 recent
Ranked by wells permitted in the last 3 years with this formation on file.