Atoka Formation

Operator-reported tops from 15,948 wells across 58 counties, median tops running 2,864–15,918 ft by county.

Top depth: 3,988 ft 12,840 ft

789 wells shown (sampled from 15,948)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Johnson	2,405	6,380 ft	3,778–7,091	↓
Tarrant	1,748	6,605 ft	5,558–7,556	↓
Wise	1,703	5,516 ft	4,871–6,061	↓
Martin	1,012	10,720 ft	10,090–11,337	↓
Midland	680	10,838 ft	10,474–11,141	↓
Glasscock	608	10,039 ft	9,374–10,350	↓
Wise	582	4,995 ft	4,363–5,531	↓
Howard	548	9,510 ft	9,228–9,824	↓
Andrews	524	11,054 ft	9,704–11,348	↓
Hemphill	482	12,596 ft	10,520–13,134	↓
Parker	454	4,186 ft	2,503–5,744	↓
Wheeler	453	14,672 ft	13,342–15,720	↓
Denton	452	5,560 ft	4,048–6,450	↓
Upton	426	10,426 ft	9,545–11,125	↓
Ochiltree	337	8,028 ft	7,249–8,881	↓
Lipscomb	301	9,065 ft	8,242–9,951	↓
Hood	290	3,682 ft	2,451–5,839	↓
Montague	285	6,114 ft	4,127–6,570	↓
Palo Pinto	282	3,787 ft	2,590–4,244	↓
Roberts	273	10,020 ft	8,466–10,705	↓
Ector	247	10,503 ft	10,248–10,741	↓
Loving	186	15,918 ft	15,200–16,607	↓
Reeves	126	12,496 ft	9,718–16,596	↓
Crane	123	7,940 ft	7,390–10,097	↓
Hill	117	4,507 ft	3,196–7,045	↓
Cooke	116	5,215 ft	3,561–6,490	↓
Erath	97	2,864 ft	2,105–3,900	↓
Reagan	90	9,758 ft	9,406–10,530	↓
Ward	86	11,420 ft	9,028–16,500	↓
Young	79	3,998 ft	3,851–4,320	↓
Grayson	75	7,808 ft	7,278–8,965	↓
Winkler	72	14,246 ft	8,680–15,980	↓
Hansford	71	6,690 ft	6,452–7,065	↓
Dawson	68	10,990 ft	10,432–11,134	↓
Pecos	67	13,558 ft	9,990–16,837	↓
Dallas	60	7,619 ft	6,651–8,900	↓
Ellis	46	7,874 ft	3,686–8,310	↓
Clay	42	6,022 ft	5,764–6,274	↓
Yoakum	35	11,099 ft	10,613–11,674	↓
Hardeman	32	6,815 ft	5,997–7,428	↓
Culberson	31	11,696 ft	7,950–13,555	↓
Wilbarger	27	4,864 ft	4,135–5,596	↓
Crockett	26	9,048 ft	8,722–11,262	↓
Gaines	21	11,150 ft	10,376–11,498	↓
Stephens	21	3,712 ft	3,215–3,836	↓
Cottle	18	6,200 ft	6,076–7,385	↓
Somervell	17	3,739 ft	2,120–4,445	↓
Throckmorton	16	4,876 ft	4,394–5,036	↓
King	14	6,026 ft	5,879–6,137	↓
Borden	13	8,479 ft	8,107–9,350	↓
Hockley	11	11,002 ft	10,828–11,037	↓
Sherman	10	6,117 ft	5,524–6,206	↓
Hutchinson	9	6,858 ft	6,642–7,516	↓
Bosque	8	3,260 ft	2,775–5,031	↓
Terry	8	11,246 ft	10,672–11,939	↓
Sutton	7	8,162 ft	6,988–8,611	↓
Cochran	6	10,802 ft	10,702–10,926	↓
Foard	5	6,610 ft	5,188–7,021	↓

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.