Lamar Formation
Operator-reported tops from 2,557 wells across 6 counties, median tops running 2,375–5,056 ft by county.
Top depth: 1,500 ft 5,227 ft
903 wells shown (sampled from 2,557)Depth by County
| County | Wells | Median Top | Typical Range | CSV |
|---|---|---|---|---|
| Reeves | 839 | 4,717 ft | 2,788–5,182 | ↓ |
| Ward | 644 | 4,854 ft | 4,698–5,123 | ↓ |
| 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 102 wells · 102 recent
CHEVRON U. S. A. INC. 364 wells · 82 recent
EOG RESOURCES, INC. 28 wells · 27 recent
VITAL ENERGY, INC. 16 wells · 16 recent
CIMAREX ENERGY CO. OF COLORADO 50 wells · 14 recent
CALLON PETROLEUM OPERATING CO 50 wells · 13 recent
JETTA OPERATING COMPANY, INC. 97 wells · 11 recent
PERMIAN RESOURCES OPERATING, LLC 18 wells · 11 recent
VITAL ENERGY, INC. 53 wells · 10 recent
GREENLAKE ENERGY OPERATING, LLC 25 wells · 10 recent
U.S. ENERGY DEVELOPMENT CORP 10 wells · 10 recent
DIAMONDBACK E&P LLC 54 wells · 8 recent
Ranked by wells permitted in the last 3 years with this formation on file.