Avalon Formation

Operator-reported tops from 784 wells across 6 counties, median tops running 6,077–8,668 ft by county.

Export All Tops (CSV)
Top depth: 5,134 ft 8,793 ft
483 wells shown (sampled from 784)

Depth by County

CountyWellsMedian TopTypical RangeCSV
Reeves3227,808 ft6,976–8,149
Culberson2496,077 ft5,127–6,361
Loving1408,545 ft7,771–9,296
Ward448,302 ft7,292–8,486
Pecos207,702 ft5,608–8,036
Winkler98,668 ft8,445–8,849

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

CHEVRON U. S. A. INC. 232 wells · 39 recent
VITAL ENERGY, INC. 11 wells · 11 recent
ANADARKO E&P ONSHORE LLC 11 wells · 11 recent
APACHE CORPORATION 96 wells · 9 recent
CALLON PETROLEUM OPERATING CO 24 wells · 6 recent
U.S. ENERGY DEVELOPMENT CORP 6 wells · 6 recent
BOSQUE TEXAS OIL LLC 5 wells · 5 recent
PETRO-HUNT PERMIAN, LLC 24 wells · 2 recent
DIAMONDBACK E&P LLC 28 wells · 1 recent
1920 ENERGY, LLC 1 wells · 1 recent
PETRO-HUNT PERMIAN, LLC 1 wells · 1 recent

Ranked by wells permitted in the last 3 years with this formation on file.