Fusselman Formation

Operator-reported tops from 2,658 wells across 25 counties, median tops running 7,147–19,058 ft by county.

Top depth: 7,361 ft 13,076 ft

188 wells shown (sampled from 2,658)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Glasscock	682	10,448 ft	9,942–10,833	↓
Andrews	273	11,155 ft	7,990–12,000	↓
Upton	265	11,365 ft	9,522–12,238	↓
Howard	198	9,898 ft	8,859–10,459	↓
Winkler	129	9,038 ft	7,783–15,608	↓
Ector	127	8,495 ft	7,410–12,239	↓
Reagan	120	9,886 ft	8,800–11,343	↓
Midland	120	12,325 ft	11,641–12,632	↓
Pecos	98	11,445 ft	6,457–17,776	↓
Martin	85	11,150 ft	10,674–12,355	↓
Crockett	74	8,911 ft	5,526–9,798	↓
Ward	71	14,635 ft	7,688–17,408	↓
Crane	58	7,147 ft	5,331–10,923	↓
Sterling	58	8,614 ft	8,460–9,021	↓
Dawson	53	11,642 ft	10,501–12,170	↓
Irion	44	8,865 ft	8,140–9,310	↓
Terry	40	11,696 ft	11,480–12,800	↓
Reeves	36	14,192 ft	11,573–18,190	↓
Borden	33	9,653 ft	9,402–9,819	↓
Terrell	21	12,426 ft	9,047–12,962	↓
Cochran	18	11,558 ft	9,330–11,780	↓
Lynn	17	10,939 ft	10,807–11,233	↓
Loving	16	19,058 ft	18,636–19,905	↓
Hockley	13	11,928 ft	11,739–12,030	↓
Gaines	9	11,986 ft	11,566–13,566	↓

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.