Bossier Formation

Operator-reported tops from 9,122 wells across 24 counties, median tops running 9,715–16,364 ft by county.

Top depth: 9,510 ft 13,743 ft

473 wells shown (sampled from 9,122)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Freestone	2,686	11,842 ft	10,907–12,654	↓
Panola	1,022	9,715 ft	9,455–10,124	↓
Harrison	989	10,113 ft	9,739–10,540	↓
Rusk	960	10,701 ft	10,430–10,974	↓
Robertson	805	11,540 ft	10,884–13,612	↓
Limestone	747	11,514 ft	10,041–12,415	↓
Smith	421	11,800 ft	11,520–12,102	↓
Upshur	381	11,040 ft	10,555–11,200	↓
Gregg	293	10,697 ft	10,500–10,893	↓
Leon	243	13,286 ft	12,850–14,773	↓
San Augustine	120	12,304 ft	11,644–13,170	↓
Shelby	100	10,788 ft	10,106–11,781	↓
Nacogdoches	95	12,649 ft	11,750–13,514	↓
Henderson	67	11,550 ft	10,802–11,934	↓
Cherokee	36	12,240 ft	11,732–12,576	↓
Anderson	33	10,921 ft	10,830–15,887	↓
Cass	29	10,340 ft	10,086–11,126	↓
Marion	27	10,724 ft	9,479–10,976	↓
Navarro	24	9,958 ft	9,052–10,572	↓
Sabine	16	11,878 ft	11,694–12,366	↓
Van Zandt	10	11,585 ft	10,855–12,237	↓
Angelina	8	14,532 ft	14,289–15,180	↓
Milam	5	12,760 ft	9,795–13,341	↓
Houston	5	16,364 ft	16,191–17,034	↓

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.