Wolfcamp Formation

Operator-reported tops from 57,296 wells across 66 counties, median tops running 550–11,407 ft by county.

Depth by County

County	Wells	Median Top	Typical Range	CSV
Martin	6,300	9,076 ft	8,352–9,716	↓
Upton	6,271	8,879 ft	8,200–9,318	↓
Reeves	5,240	10,291 ft	9,400–10,640	↓
Sutton	4,274	3,057 ft	1,846–3,966	↓
Reagan	3,805	7,578 ft	6,831–8,281	↓
Midland	3,561	9,282 ft	8,830–9,800	↓
Reeves	3,025	11,407 ft	10,494–12,031	↓
Irion	2,972	6,006 ft	4,906–6,556	↓
Howard	2,623	7,564 ft	6,538–8,100	↓
Glasscock	2,477	7,765 ft	6,641–8,416	↓
Andrews	2,256	8,999 ft	7,975–9,900	↓
Crockett	2,141	5,444 ft	3,961–6,422	↓
Scurry	1,898	4,810 ft	4,549–5,164	↓
Ector	1,268	9,148 ft	7,812–9,732	↓
Culberson	1,159	8,864 ft	7,708–9,279	↓
Sterling	1,076	6,500 ft	5,460–7,702	↓
Pecos	917	4,851 ft	2,126–9,946	↓
Schleicher	762	4,582 ft	3,570–5,377	↓
Terrell	547	5,390 ft	3,647–7,212	↓
Ward	492	10,902 ft	7,263–11,465	↓
Borden	468	6,735 ft	6,010–7,482	↓
Ector	461	5,776 ft	5,254–7,937	↓
Tom Green	323	6,074 ft	4,085–6,514	↓
Dawson	311	9,288 ft	8,348–9,702	↓
Garza	238	9,237 ft	8,544–10,007	↓
Yoakum	233	9,012 ft	8,700–9,706	↓
Winkler	218	8,093 ft	7,181–11,855	↓
Edwards	205	1,612 ft	1,196–2,334	↓
Kent	205	4,122 ft	3,826–5,300	↓
Terry	128	9,398 ft	8,400–9,995	↓
Mitchell	121	5,007 ft	3,750–5,502	↓
Garza	116	5,966 ft	4,600–6,860	↓
Roberts	108	4,130 ft	3,580–4,724	↓
Hockley	89	8,366 ft	7,911–9,300	↓
Throckmorton	79	790 ft	600–1,040	↓
Moore	78	3,092 ft	2,930–3,488	↓
Val Verde	72	2,267 ft	1,275–3,229	↓
Nolan	67	3,012 ft	2,603–3,610	↓
Hansford	65	3,152 ft	2,828–4,096	↓
Potter	62	4,925 ft	3,380–6,316	↓
Ochiltree	61	3,400 ft	3,253–3,738	↓
Coke	58	3,933 ft	2,861–5,137	↓
Hartley	55	3,706 ft	3,444–4,883	↓
Hemphill	38	4,069 ft	3,900–4,842	↓
Lipscomb	38	3,374 ft	3,294–3,880	↓
Oldham	33	5,620 ft	4,502–6,283	↓
Hutchinson	30	2,972 ft	2,756–3,295	↓
Shackelford	25	550 ft	230–769	↓
Lamb	22	6,622 ft	6,112–6,759	↓
Carson	21	2,913 ft	2,494–3,850	↓
Lynn	20	8,500 ft	7,300–8,904	↓
Gray	20	2,665 ft	2,264–2,907	↓
Cochran	20	8,848 ft	8,400–9,300	↓
Hale	20	6,489 ft	5,692–6,663	↓
Wheeler	17	4,330 ft	4,045–4,814	↓
Stonewall	16	2,014 ft	1,608–2,699	↓
Fisher	15	4,698 ft	2,232–6,747	↓
Motley	12	3,550 ft	3,290–4,113	↓
Hudspeth	9	4,298 ft	4,298–4,573	↓
Floyd	8	5,242 ft	4,795–6,122	↓
Foard	8	2,180 ft	1,878–3,838	↓
Lubbock	8	7,352 ft	5,447–8,368	↓
Cottle	8	4,301 ft	3,636–19,120	↓
Sherman	8	3,038 ft	2,620–3,198	↓
King	8	1,962 ft	1,608–3,490	↓
Real	7	2,162 ft	1,918–2,296	↓

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.