Douglas Formation

Operator-reported tops from 5,231 wells across 10 counties, median tops running 4,565–8,770 ft by county.

Top depth: 4,901 ft 8,755 ft

424 wells shown (sampled from 5,231)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Hemphill	1,626	7,606 ft	6,860–8,103	↓
Lipscomb	1,124	6,100 ft	5,830–6,630	↓
Ochiltree	881	5,650 ft	5,212–6,102	↓
Roberts	697	6,347 ft	5,505–7,060	↓
Wheeler	404	8,770 ft	8,092–9,293	↓
Hansford	326	4,960 ft	4,741–5,175	↓
Sherman	87	4,565 ft	4,400–4,664	↓
Hutchinson	71	4,977 ft	4,540–5,426	↓
San Patricio	10	6,666 ft	6,547–7,040	↓
Nueces	5	6,130 ft	5,758–7,061	↓

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.