Sligo Formation

Operator-reported tops from 1,645 wells across 19 counties, median tops running 5,746–15,864 ft by county.

Top depth: 5,535 ft 7,560 ft

114 wells shown (sampled from 1,645)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Panola	517	5,746 ft	5,616–6,046	↓
Harrison	515	6,115 ft	5,554–6,750	↓
Rusk	239	7,070 ft	6,671–7,317	↓
Nacogdoches	67	7,632 ft	7,134–9,188	↓
Shelby	61	5,862 ft	5,634–7,030	↓
Limestone	44	7,249 ft	6,707–7,831	↓
Karnes	37	15,840 ft	3,280–15,840	↓
Marion	26	6,627 ft	5,824–6,925	↓
Freestone	26	8,666 ft	7,425–8,833	↓
Smith	20	8,260 ft	7,968–8,519	↓
Robertson	19	9,370 ft	7,960–9,952	↓
Henderson	16	7,595 ft	7,560–8,324	↓
Upshur	12	7,850 ft	7,773–7,878	↓
Maverick	12	7,604 ft	5,938–9,424	↓
Cass	9	6,627 ft	5,997–6,838	↓
Mcmullen	7	15,864 ft	13,168–16,447	↓
Cherokee	7	8,677 ft	8,050–9,811	↓
Dimmit	6	11,828 ft	10,500–12,084	↓
Gregg	5	7,452 ft	7,445–8,466	↓

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.