Greta Formation

Operator-reported tops from 1,934 wells across 9 counties, median tops running 2,860–5,080 ft by county.

Top depth: 3,976 ft 5,225 ft

230 wells shown (sampled from 1,934)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Refugio	803	4,375 ft	3,734–4,620	↓
Victoria	411	4,700 ft	3,250–5,010	↓
Jackson	375	5,080 ft	3,775–5,312	↓
San Patricio	148	4,820 ft	3,670–5,146	↓
Wharton	87	4,270 ft	3,780–5,214	↓
Nueces	52	4,867 ft	3,346–6,270	↓
Calhoun	39	4,802 ft	4,230–5,704	↓
Goliad	12	3,315 ft	2,624–3,978	↓
Bee	7	2,860 ft	2,766–3,210	↓

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.