Anahuac Formation

Operator-reported tops from 2,163 wells across 22 counties, median tops running 3,623–7,100 ft by county.

Top depth: 3,620 ft 6,872 ft

248 wells shown (sampled from 2,163)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Refugio	728	4,100 ft	4,100–4,365	↓
Harris	197	4,961 ft	3,180–5,279	↓
Fort Bend	176	4,517 ft	4,187–4,748	↓
Brazoria	161	5,400 ft	4,839–7,400	↓
Matagorda	160	5,725 ft	5,500–6,891	↓
Wharton	154	4,874 ft	3,620–5,034	↓
Chambers	119	6,800 ft	5,822–7,617	↓
San Patricio	88	4,606 ft	4,280–4,900	↓
Jefferson	64	5,702 ft	5,324–7,700	↓
Calhoun	51	5,940 ft	4,246–6,340	↓
Nueces	47	5,000 ft	3,130–6,755	↓
Liberty	38	3,988 ft	2,470–5,695	↓
Galveston	37	7,100 ft	6,600–7,630	↓
Jackson	26	4,696 ft	4,268–5,925	↓
Kenedy	24	5,740 ft	4,936–6,986	↓
Willacy	19	5,900 ft	5,653–6,845	↓
Aransas	16	6,367 ft	5,758–6,856	↓
Victoria	15	4,180 ft	3,694–4,522	↓
Orange	14	5,648 ft	5,509–6,614	↓
Kleberg	13	6,615 ft	4,318–6,958	↓
Hardin	8	4,951 ft	3,360–4,984	↓
Brooks	8	3,623 ft	3,368–4,491	↓

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.