Travis Peak Formation

Operator-reported tops from 22,147 wells across 31 counties, median tops running 4,051–11,002 ft by county.

Top depth: 5,882 ft 10,320 ft

2,218 wells shown (sampled from 22,147)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Panola	5,484	6,236 ft	5,976–6,670	↓
Harrison	3,033	6,515 ft	5,888–7,290	↓
Limestone	2,984	8,545 ft	7,884–9,091	↓
Rusk	2,529	7,380 ft	6,990–7,720	↓
Nacogdoches	1,245	8,270 ft	7,773–9,671	↓
Limestone	1,187	8,086 ft	7,040–8,791	↓
Gregg	906	7,519 ft	7,260–7,771	↓
Robertson	875	8,415 ft	8,023–9,875	↓
Smith	595	8,300 ft	8,090–10,130	↓
Shelby	539	7,311 ft	6,260–7,854	↓
Upshur	528	7,969 ft	7,697–8,154	↓
Leon	527	9,415 ft	9,032–10,320	↓
Cherokee	451	9,859 ft	8,452–10,561	↓
Henderson	355	8,666 ft	7,846–9,325	↓
Angelina	182	10,618 ft	10,400–11,048	↓
Marion	180	7,322 ft	6,133–7,606	↓
San Augustine	122	8,817 ft	8,309–9,174	↓
Anderson	86	8,155 ft	7,966–10,577	↓
Cass	58	6,950 ft	6,453–7,726	↓
Navarro	46	7,052 ft	6,510–7,760	↓
Wood	46	8,729 ft	8,537–11,510	↓
Van Zandt	39	8,520 ft	5,617–8,822	↓
Red River	34	4,051 ft	4,005–4,185	↓
Houston	32	11,002 ft	10,444–12,593	↓
Franklin	30	8,210 ft	7,072–9,118	↓
Bowie	16	5,365 ft	5,238–5,969	↓
Morris	11	8,268 ft	8,088–8,389	↓
Rains	8	8,558 ft	8,124–8,790	↓
Camp	7	8,070 ft	7,751–8,238	↓
Hopkins	6	7,300 ft	6,510–8,486	↓
Milam	6	8,804 ft	5,038–9,645	↓

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.