Granite Wash Formation

Operator-reported tops from 5,899 wells across 18 counties, median tops running 2,078–12,454 ft by county.

Top depth: 2,262 ft 9,738 ft

169 wells shown (sampled from 5,899)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Hemphill	1,662	11,139 ft	10,176–11,837	↓
Gray	1,210	2,757 ft	2,410–3,023	↓
Wheeler	982	12,454 ft	2,432–14,045	↓
Roberts	647	9,193 ft	8,291–10,081	↓
Carson	448	2,842 ft	2,558–3,155	↓
Moore	318	2,900 ft	2,382–3,480	↓
Potter	244	2,520 ft	2,109–2,987	↓
Hutchinson	154	4,493 ft	2,898–6,156	↓
Hartley	62	6,103 ft	4,192–6,627	↓
Pecos	47	5,000 ft	4,459–5,560	↓
Montague	35	3,738 ft	2,860–3,945	↓
Collingsworth	26	2,078 ft	1,919–2,276	↓
Oldham	26	7,058 ft	6,254–7,700	↓
Cooke	14	5,689 ft	4,272–6,428	↓
Donley	7	2,685 ft	2,562–3,595	↓
Clay	7	2,590 ft	2,536–2,921	↓
Ochiltree	5	8,867 ft	8,017–8,957	↓
Wilbarger	5	4,410 ft	3,298–5,486	↓

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.