Pettit Formation

Operator-reported tops from 20,348 wells across 28 counties, median tops running 5,746–10,293 ft by county.

Top depth: 5,603 ft 9,550 ft

2,251 wells shown (sampled from 20,348)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Panola	4,675	5,855 ft	5,628–6,301	↓
Freestone	2,942	8,310 ft	7,654–8,825	↓
Harrison	2,501	6,280 ft	5,608–7,118	↓
Rusk	2,155	7,070 ft	6,690–7,436	↓
Nacogdoches	1,433	7,915 ft	7,308–8,987	↓
Limestone	1,123	7,852 ft	6,818–8,520	↓
Gregg	823	7,270 ft	6,970–7,546	↓
Robertson	764	8,096 ft	7,753–9,286	↓
Smith	699	8,124 ft	7,890–8,619	↓
Leon	530	9,054 ft	8,717–9,883	↓
Cherokee	506	9,410 ft	8,196–9,947	↓
Shelby	466	6,699 ft	5,700–7,320	↓
Upshur	401	7,778 ft	7,440–7,960	↓
Henderson	331	8,531 ft	7,775–9,161	↓
Marion	218	6,760 ft	5,885–7,419	↓
Cass	181	7,299 ft	6,644–7,788	↓
Angelina	171	9,778 ft	9,580–10,200	↓
Anderson	121	9,614 ft	7,837–10,682	↓
San Augustine	76	8,135 ft	7,532–8,607	↓
Houston	60	10,293 ft	9,914–11,022	↓
Navarro	52	6,918 ft	6,363–7,704	↓
Van Zandt	37	7,547 ft	5,271–8,736	↓
Wood	23	8,565 ft	8,228–8,853	↓
Camp	22	7,944 ft	7,722–8,023	↓
Franklin	17	7,021 ft	6,963–8,058	↓
Morris	10	8,112 ft	8,079–8,218	↓
Bowie	6	5,746 ft	5,706–6,355	↓
Rains	5	8,250 ft	8,182–8,518	↓

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.