Pecan Gap Formation

Operator-reported tops from 8,023 wells across 60 counties, median tops running 718–14,309 ft by county.

Top depth: 2,504 ft 12,712 ft

1,069 wells shown (sampled from 8,023)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Fayette	933	9,507 ft	7,516–11,167	↓
De Witt	858	12,109 ft	11,418–12,780	↓
Burleson	787	6,660 ft	5,649–8,331	↓
Lee	560	7,256 ft	6,502–8,340	↓
Dimmit	456	6,338 ft	4,982–7,150	↓
Brazos	430	7,443 ft	6,013–10,442	↓
Wood	374	2,992 ft	2,550–3,178	↓
Van Zandt	342	1,681 ft	1,423–1,870	↓
Washington	322	9,665 ft	8,933–12,161	↓
Leon	242	5,050 ft	4,058–6,106	↓
Live Oak	206	11,489 ft	10,910–12,241	↓
Karnes	198	11,867 ft	10,040–12,449	↓
Navarro	176	1,620 ft	835–2,000	↓
Caldwell	160	1,881 ft	1,400–2,110	↓
Rusk	142	2,658 ft	2,302–2,961	↓
Cherokee	141	3,604 ft	2,706–4,342	↓
Madison	126	7,126 ft	6,566–7,816	↓
Gregg	123	2,580 ft	2,430–2,910	↓
Gonzales	114	8,248 ft	6,714–11,068	↓
Smith	95	3,239 ft	2,748–3,502	↓
Milam	90	4,430 ft	3,875–4,859	↓
Grimes	84	12,026 ft	8,344–13,805	↓
Robertson	84	5,023 ft	3,542–5,728	↓
Titus	80	1,576 ft	1,309–1,742	↓
La Salle	77	7,586 ft	6,992–7,749	↓
Guadalupe	73	1,785 ft	1,595–2,189	↓
Cherokee	65	3,356 ft	3,167–3,929	↓
Lavaca	49	10,412 ft	9,882–12,410	↓
Houston	48	4,498 ft	4,206–7,079	↓
Franklin	42	1,600 ft	1,278–1,743	↓
Panola	38	1,652 ft	1,072–1,994	↓
Hopkins	37	2,385 ft	1,285–2,597	↓
Henderson	37	2,630 ft	2,263–3,318	↓
Freestone	36	2,911 ft	2,238–3,681	↓
Camp	34	2,415 ft	2,359–2,430	↓
Webb	33	5,569 ft	5,230–7,743	↓
Harrison	31	2,320 ft	1,650–2,904	↓
Upshur	31	2,540 ft	2,437–2,662	↓
Nacogdoches	28	4,282 ft	3,219–4,464	↓
Tyler	27	12,393 ft	11,794–12,889	↓
Shelby	21	2,302 ft	2,035–3,225	↓
Jasper	20	11,125 ft	9,766–12,805	↓
Limestone	18	1,826 ft	1,222–2,355	↓
Austin	17	14,309 ft	13,371–14,945	↓
Bastrop	16	5,800 ft	1,984–6,596	↓
Walker	15	9,970 ft	8,928–12,845	↓
Mcmullen	13	10,191 ft	10,149–10,932	↓
Kaufman	13	1,742 ft	980–1,795	↓
Wilson	10	5,258 ft	2,579–8,586	↓
Maverick	9	4,220 ft	3,784–4,269	↓
Bexar	8	1,381 ft	960–1,414	↓
Frio	8	6,872 ft	6,826–7,097	↓
Angelina	7	4,991 ft	4,594–5,286	↓
Marion	6	1,760 ft	874–2,619	↓
Polk	6	8,860 ft	7,922–11,940	↓
Zavala	6	4,454 ft	4,408–4,516	↓
Williamson	6	718 ft	560–1,852	↓
Trinity	5	8,216 ft	7,051–8,698	↓
Bee	5	12,488 ft	12,325–12,572	↓
Newton	5	9,887 ft	9,510–10,544	↓

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.