Bartosh Formation

Operator-reported tops from 712 wells across 3 counties, median tops running 1,595–3,622 ft by county.

Export All Tops (CSV)
Top depth: 2,500 ft 5,080 ft
293 wells shown (sampled from 712)

Depth by County

CountyWellsMedian TopTypical RangeCSV
Atascosa6623,622 ft3,014–4,961
Wilson411,595 ft1,090–1,700
Gonzales93,446 ft3,401–4,188

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

EOG RESOURCES, INC. 303 wells · 65 recent
MARATHON OIL EF LLC 359 wells · 61 recent
PILLAR EFS, LLC 23 wells · 12 recent
XTO ENERGY INC. 64 wells · 9 recent
TRINITY OPERATING (USG), LLC 12 wells · 5 recent
ROSEWOOD RESOURCES, INC. 4 wells · 4 recent
VALENCE OPERATING COMPANY 17 wells · 3 recent
VERDUN OIL & GAS LLC 5 wells · 3 recent
SILVERBOW RESOURCES OPER, LLC 10 wells · 2 recent
TIDAL PETROLEUM, INC. 3 wells · 2 recent

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