Woodbine Formation

Operator-reported tops from 6,812 wells across 40 counties, median tops running 780–13,971 ft by county.

Top depth: 2,540 ft 9,000 ft

823 wells shown (sampled from 6,812)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Wood	758	4,492 ft	4,270–5,443	↓
Leon	555	6,704 ft	5,676–7,644	↓
Brazos	525	8,342 ft	7,662–9,274	↓
Madison	485	8,560 ft	8,132–9,222	↓
Rusk	466	3,606 ft	3,330–3,711	↓
Smith	416	4,617 ft	3,861–5,407	↓
Gregg	390	3,548 ft	3,484–3,664	↓
Cherokee	295	5,058 ft	3,918–5,742	↓
Freestone	274	4,277 ft	3,790–5,220	↓
Cherokee	272	4,650 ft	4,100–5,314	↓
Van Zandt	262	2,613 ft	2,376–3,906	↓
Houston	259	8,210 ft	5,796–9,282	↓
Henderson	249	4,506 ft	3,750–5,110	↓
Harrison	180	2,715 ft	2,540–3,700	↓
Titus	173	3,323 ft	2,901–3,672	↓
Navarro	169	2,984 ft	2,856–3,943	↓
Franklin	150	3,250 ft	2,820–4,018	↓
Limestone	148	4,049 ft	2,812–4,547	↓
Upshur	117	3,700 ft	3,549–3,846	↓
Polk	109	13,971 ft	12,348–14,597	↓
Robertson	104	6,347 ft	5,007–7,177	↓
Grimes	94	9,077 ft	8,769–9,840	↓
Nacogdoches	70	4,348 ft	3,650–5,525	↓
Hopkins	56	4,272 ft	3,370–4,752	↓
Kaufman	35	3,411 ft	3,012–3,577	↓
Tyler	26	13,472 ft	11,222–14,719	↓
Trinity	26	9,630 ft	7,783–10,000	↓
Walker	24	10,570 ft	9,665–13,333	↓
Jasper	23	13,136 ft	13,033–13,376	↓
Morris	18	4,258 ft	4,038–4,381	↓
Red River	14	1,290 ft	495–1,845	↓
Bowie	13	3,240 ft	2,863–3,334	↓
Camp	11	4,241 ft	4,031–4,504	↓
Falls	9	780 ft	657–1,669	↓
Hill	7	1,100 ft	52–1,234	↓
Burleson	7	8,764 ft	7,949–9,700	↓
Angelina	6	6,195 ft	6,064–8,936	↓
San Jacinto	6	12,717 ft	11,943–14,083	↓
Hunt	6	3,201 ft	2,680–3,544	↓
Guadalupe	5	2,250 ft	2,021–4,750	↓

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.