Santa Rosa Formation

Operator-reported tops from 17,313 wells across 26 counties, median tops running 300–1,975 ft by county.

Top depth: 479 ft 1,519 ft

11,460 wells shown (sampled from 17,313)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Midland	6,108	1,000 ft	787–1,193	↓
Martin	4,693	1,148 ft	847–1,473	↓
Glasscock	1,815	840 ft	550–1,000	↓
Yoakum	1,306	1,100 ft	400–2,197	↓
Ector	851	1,262 ft	784–1,539	↓
Howard	762	747 ft	400–1,000	↓
Hockley	406	1,100 ft	386–2,052	↓
Borden	262	514 ft	325–1,000	↓
Andrews	212	1,240 ft	903–1,502	↓
Reagan	181	666 ft	500–820	↓
Concho	141	1,845 ft	1,097–2,100	↓
Upton	97	691 ft	638–1,001	↓
Irion	96	450 ft	300–700	↓
Mitchell	81	300 ft	200–600	↓
Gaines	55	1,479 ft	1,220–1,700	↓
Garza	54	675 ft	363–1,156	↓
Dawson	39	1,162 ft	858–1,670	↓
Crane	36	712 ft	598–915	↓
Scurry	25	500 ft	350–2,142	↓
Winkler	24	800 ft	285–1,175	↓
Ward	19	630 ft	90–821	↓
Lubbock	19	1,332 ft	1,100–1,511	↓
Terry	12	1,975 ft	1,800–2,100	↓
Lynn	9	1,235 ft	892–1,360	↓
Crosby	5	550 ft	429–652	↓
Crockett	5	725 ft	506–1,181	↓

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

PIONEER NATURAL RES. USA, INC. 3,503 wells · 894 recent

DIAMONDBACK E&P LLC 1,772 wells · 587 recent

ENDEAVOR ENERGY RESOURCES L.P. 1,722 wells · 338 recent

XTO ENERGY INC. 1,499 wells · 179 recent

OXYROCK OPERATING, LLC 1,277 wells · 169 recent

OVINTIV USA INC. 412 wells · 165 recent

HIGHPEAK ENERGY HOLDINGS, LLC 369 wells · 145 recent

CHEVRON U. S. A. INC. 828 wells · 139 recent

SURGE OPERATING, LLC 383 wells · 126 recent

APACHE CORPORATION 485 wells · 93 recent

SM ENERGY COMPANY 297 wells · 77 recent

OXY USA INC. 285 wells · 76 recent

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