Queen Formation

Operator-reported tops from 40,179 wells across 34 counties, median tops running 220–3,970 ft by county.

Export All Tops (CSV)
Top depth: 1,842 ft 4,127 ft
16,706 wells shown (sampled from 40,179)

Depth by County

CountyWellsMedian TopTypical RangeCSV
Midland6,7403,718 ft3,365–4,160
Martin5,4583,463 ft2,809–4,023
Martin4,8853,970 ft3,558–4,374
Reagan2,9872,460 ft1,900–3,025
Ector2,8463,616 ft3,120–4,228
Pecos2,4341,375 ft1,131–2,240
Howard2,2122,708 ft1,500–3,187
Gaines2,1873,754 ft3,426–4,255
Crane1,7582,388 ft2,180–2,953
Howard1,2311,686 ft1,401–2,406
Crockett1,1611,384 ft980–1,946
Ward1,1592,934 ft2,400–3,135
Mitchell9921,077 ft1,031–1,260
Yoakum9723,855 ft3,613–4,081
Winkler8493,050 ft2,700–3,400
Hockley5173,527 ft3,258–3,665
Upton5042,373 ft1,720–4,199
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
Dawson653,712 ft2,977–3,900
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
Lubbock72,608 ft2,532–3,021

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. 3,955 wells · 990 recent
DIAMONDBACK E&P LLC 2,231 wells · 650 recent
ENDEAVOR ENERGY RESOURCES L.P. 1,813 wells · 321 recent
BLACKBEARD OPERATING, LLC 898 wells · 234 recent
MARATHON OIL COMPANY 1,506 wells · 192 recent
XTO ENERGY INC. 2,377 wells · 177 recent
DE IV OPERATING, LLC 286 wells · 153 recent
OVINTIV USA INC. 304 wells · 132 recent
APACHE CORPORATION 1,179 wells · 125 recent
CIVITAS PERMIAN OPERATING, LLC 125 wells · 125 recent
DE IV OPERATING, LLC 125 wells · 125 recent
CHEVRON U. S. A. INC. 1,293 wells · 119 recent

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