BMA Formation

Operator-reported tops from 5,186 wells across 26 counties, median tops running 3,749–9,397 ft by county.

Top depth: 4,831 ft 7,801 ft

173 wells shown (sampled from 5,186)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Freestone	1,211	7,512 ft	7,137–7,901	↓
Panola	1,056	4,985 ft	4,799–5,464	↓
Rusk	559	6,350 ft	5,988–6,674	↓
Harrison	541	5,600 ft	4,898–6,507	↓
Limestone	535	7,496 ft	6,744–7,836	↓
Gregg	306	6,495 ft	6,205–6,810	↓
Leon	151	8,166 ft	7,957–8,536	↓
Nacogdoches	134	6,978 ft	6,233–8,323	↓
Upshur	115	7,110 ft	6,854–7,280	↓
Cherokee	96	8,730 ft	7,676–9,034	↓
Henderson	86	7,702 ft	7,030–8,739	↓
Shelby	81	5,567 ft	4,814–6,308	↓
Smith	79	7,618 ft	7,225–11,120	↓
Robertson	78	6,747 ft	4,888–7,413	↓
Marion	42	5,770 ft	5,123–6,682	↓
Cass	25	5,680 ft	5,600–6,000	↓
Red River	18	3,749 ft	3,681–3,846	↓
Franklin	12	7,247 ft	6,931–7,642	↓
Anderson	10	8,046 ft	6,837–9,553	↓
Houston	9	9,397 ft	9,219–9,548	↓
Van Zandt	8	7,988 ft	7,346–9,310	↓
Navarro	8	6,146 ft	5,768–7,070	↓
Wood	7	7,820 ft	7,728–7,856	↓
Bowie	7	5,140 ft	4,608–5,451	↓
Hopkins	6	7,781 ft	7,507–7,894	↓
San Augustine	6	6,902 ft	6,575–7,168	↓

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.