Anacacho Formation

Operator-reported tops from 15,211 wells across 23 counties, median tops running 1,210–12,698 ft by county.

Export All Tops (CSV)
Top depth: 5,076 ft 12,124 ft
4,681 wells shown (sampled from 15,211)

Depth by County

CountyWellsMedian TopTypical RangeCSV
Mcmullen2,12510,004 ft8,883–11,479
Gonzales1,8959,788 ft7,890–10,911
Karnes1,84410,538 ft9,269–12,264
La Salle1,5648,326 ft6,778–9,850
Dimmit1,4366,104 ft5,040–6,791
Atascosa1,4139,237 ft7,053–10,632
Frio9495,996 ft4,866–7,194
Webb9257,436 ft6,177–8,505
Zavala5795,304 ft4,342–5,876
Bexar5731,210 ft1,038–1,444
De Witt56712,184 ft11,274–13,006
Wilson4557,303 ft4,572–8,469
Lavaca25810,854 ft9,754–11,698
Medina2441,281 ft910–1,446
Live Oak16311,414 ft10,979–12,673
Maverick1182,675 ft666–3,408
Fayette379,032 ft7,636–9,967
Polk2412,626 ft12,014–13,214
Guadalupe142,830 ft1,650–3,881
Bee1012,698 ft12,327–12,890
Lee68,150 ft7,853–8,882
Caldwell61,671 ft1,418–1,740
Washington69,071 ft8,626–9,885

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.

Most Active Operators

EOG RESOURCES, INC. 3,344 wells · 294 recent
MARATHON OIL EF LLC 1,096 wells · 82 recent
ROCC OPERATING, LLC 82 wells · 81 recent
SM ENERGY COMPANY 439 wells · 71 recent
BPX OPERATING COMPANY 199 wells · 67 recent
SILVERBOW RESOURCES OPER, LLC 113 wells · 48 recent
GULFTEX ENERGY, LLC 82 wells · 37 recent
PETROHAWK OPERATING COMPANY 463 wells · 36 recent
KIMMERIDGE TEXAS GAS, LLC 33 wells · 27 recent
JAVELIN ENERGY PARTNERS MGMT LLC 62 wells · 23 recent
WARWICK-ARTEMIS, LLC 32 wells · 23 recent
RIDGEMAR ENERGY OPERATING, LLC 23 wells · 23 recent

Ranked by wells permitted in the last 3 years with this formation on file.