Yegua Formation

Operator-reported tops from 14,904 wells across 39 counties, median tops running 301–12,244 ft by county.

Top depth: 247 ft 5,250 ft

4,834 wells shown (sampled from 14,904)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Karnes	3,567	1,944 ft	1,094–4,000	↓
De Witt	2,007	2,516 ft	1,854–4,660	↓
La Salle	1,268	600 ft	101–949	↓
Mcmullen	1,087	2,018 ft	237–2,890	↓
Lavaca	786	3,910 ft	1,647–5,510	↓
Wharton	637	6,896 ft	6,271–9,042	↓
Webb	506	1,300 ft	1,098–2,745	↓
Duval	453	4,978 ft	2,710–7,461	↓
Colorado	386	5,528 ft	3,796–6,099	↓
Polk	385	7,432 ft	3,820–11,020	↓
Goliad	385	4,770 ft	4,411–5,412	↓
Polk	353	4,800 ft	3,390–5,682	↓
Hardin	334	7,024 ft	5,123–10,108	↓
Live Oak	238	4,920 ft	2,664–5,579	↓
Harris	220	6,910 ft	4,742–10,546	↓
Tyler	206	5,250 ft	3,773–6,186	↓
Fort Bend	197	7,867 ft	7,032–8,612	↓
Bee	170	4,140 ft	3,252–5,480	↓
Jim Hogg	168	4,500 ft	3,044–5,711	↓
Jackson	162	7,476 ft	6,177–9,136	↓
Victoria	162	5,392 ft	2,100–6,723	↓
Starr	145	4,115 ft	1,100–6,710	↓
Jasper	135	6,836 ft	4,554–9,770	↓
San Jacinto	131	4,360 ft	4,050–5,151	↓
Jim Wells	128	7,270 ft	5,865–8,500	↓
Zapata	127	1,742 ft	700–2,760	↓
Newton	88	7,010 ft	6,332–9,360	↓
Austin	84	4,515 ft	2,734–6,008	↓
Montgomery	83	5,340 ft	4,137–6,808	↓
Jefferson	77	12,244 ft	10,408–13,672	↓
Orange	70	11,650 ft	9,916–13,041	↓
Waller	62	6,385 ft	3,868–7,000	↓
Walker	30	3,288 ft	2,777–3,522	↓
Madison	17	400 ft	300–625	↓
Grimes	15	3,702 ft	2,778–4,540	↓
Brooks	13	7,870 ft	5,722–8,192	↓
Chambers	10	10,720 ft	9,666–13,088	↓
Wilson	7	301 ft	275–1,076	↓
Washington	5	1,395 ft	740–2,472	↓

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.