Queen Formation

Operator-reported tops from 39,989 wells across 34 counties, median tops running 220–3,970 ft by county.

Export All Tops (CSV)
Top depth: 1,835 ft 4,125 ft
16,565 wells shown (sampled from 39,989)

Depth by County

CountyWellsMedian TopTypical RangeCSV
Midland6,6843,718 ft3,365–4,156
Martin5,4083,461 ft2,807–4,024
Andrews4,8723,970 ft3,556–4,374
Reagan2,9672,458 ft1,900–3,027
Ector2,8413,615 ft3,120–4,227
Pecos2,4341,375 ft1,131–2,240
Howard2,1902,688 ft1,500–3,187
Yoakum2,1843,753 ft3,426–4,253
Crane1,7482,386 ft2,181–2,953
Howard1,2311,686 ft1,401–2,406
Crockett1,1611,383 ft980–1,946
Ward1,1592,934 ft2,400–3,135
Mitchell9921,077 ft1,031–1,260
Yoakum9703,855 ft3,613–4,081
Winkler8483,050 ft2,700–3,400
Hockley5173,527 ft3,258–3,665
Upton5012,364 ft1,720–4,200
Sterling3861,595 ft1,152–1,840
Scurry1871,273 ft1,027–1,394
Irion1331,240 ft739–1,595
Cochran1303,652 ft3,438–3,709
Garza921,448 ft1,278–1,989
Terry813,833 ft3,554–4,114
Dawson613,760 ft3,093–3,905
Hale612,775 ft2,747–2,816
Borden442,516 ft1,782–2,753
Tom Green24220 ft180–901
Lamb182,864 ft2,697–2,883
Zapata173,650 ft3,078–4,510
Webb133,000 ft1,399–6,179
Terrell131,800 ft1,137–2,072
Mcmullen82,931 ft2,670–3,399
Schleicher82,048 ft1,027–4,959
Lubbock62,658 ft2,547–3,028

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. 3,910 wells · 986 recent
DIAMONDBACK E&P LLC 2,207 wells · 666 recent
ENDEAVOR ENERGY RESOURCES L.P. 1,813 wells · 358 recent
BLACKBEARD OPERATING, LLC 893 wells · 247 recent
MARATHON OIL COMPANY 1,506 wells · 208 recent
XTO ENERGY INC. 2,353 wells · 192 recent
DE IV OPERATING, LLC 286 wells · 177 recent
OVINTIV USA INC. 303 wells · 139 recent
CHEVRON U. S. A. INC. 1,292 wells · 127 recent
CIVITAS PERMIAN OPERATING, LLC 122 wells · 122 recent
PERMIAN RESOURCES OPERATING, LLC 457 wells · 115 recent
APACHE CORPORATION 1,161 wells · 113 recent

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