Bone Spring Formation

Operator-reported tops from 13,475 wells across 6 counties, median tops running 6,048–9,854 ft by county.

Depth by County

County	Wells	Median Top	Typical Range	CSV
Reeves	6,465	8,047 ft	6,785–9,681	↓
Reeves	4,333	8,880 ft	7,563–10,500	↓
Culberson	1,561	6,048 ft	5,060–7,748	↓
Ward	718	9,854 ft	8,188–10,934	↓
Pecos	244	7,448 ft	5,914–9,043	↓
Winkler	154	9,854 ft	8,498–11,463	↓

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.