Woodford Formation

Operator-reported tops from 2,481 wells across 32 counties, median tops running 8,060–18,107 ft by county.

Top depth: 8,055 ft 13,858 ft

298 wells shown (sampled from 2,481)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Andrews	345	9,410 ft	7,590–12,325	↓
Martin	341	10,950 ft	10,575–11,829	↓
Upton	184	10,740 ft	9,039–11,456	↓
Glasscock	170	10,115 ft	9,440–10,660	↓
Gaines	147	10,822 ft	10,584–12,518	↓
Ector	135	8,132 ft	7,486–8,748	↓
Howard	118	10,024 ft	9,194–10,338	↓
Midland	114	11,432 ft	11,128–11,733	↓
Pecos	94	12,522 ft	8,643–17,670	↓
Yoakum	90	11,818 ft	11,032–13,037	↓
Winkler	82	8,446 ft	7,505–14,956	↓
Reeves	74	12,324 ft	10,061–16,008	↓
Dawson	70	11,705 ft	10,606–12,060	↓
Ward	68	13,126 ft	7,755–16,184	↓
Ector	58	9,734 ft	7,861–11,605	↓
Reagan	55	9,713 ft	9,222–10,199	↓
Crockett	49	9,127 ft	8,745–11,174	↓
Terrell	49	11,610 ft	8,559–12,873	↓
Borden	38	9,430 ft	8,830–9,815	↓
Wheeler	36	12,877 ft	12,152–18,157	↓
Sterling	35	8,477 ft	8,080–8,904	↓
Terry	22	11,752 ft	11,414–12,826	↓
Grayson	15	10,675 ft	7,424–12,946	↓
Culberson	13	10,670 ft	5,919–14,506	↓
Sutton	13	8,890 ft	8,225–9,281	↓
Mitchell	13	8,125 ft	7,916–8,175	↓
Hockley	12	11,906 ft	11,709–11,986	↓
Cochran	12	11,648 ft	10,372–11,845	↓
Hemphill	10	18,107 ft	16,058–19,958	↓
Irion	8	9,053 ft	8,895–9,167	↓
Garza	6	8,060 ft	8,038–8,874	↓
Jeff Davis	5	9,215 ft	8,428–9,744	↓

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.