Petrora

FORMATIONS · RRC WELLBORE FILE

White Dolomite

Reported as a top in 1,304 wells across 12 counties, at a median depth of 2,976 ft (2,610 to 3,253 ft in most wells). 1 of those wells were permitted in the last three years.

A well counts if any of its completion filings report this formation, whether it produces from it or drilled through it. Depths are measured depth as filed; typo depths exist, which is why ranges are percentiles, not extremes. About completion reports →

1.3K
wells reporting a top
1
permitted in last 3 years
12
counties
2,976
median top, ft

COMPUTED OCT 29, 2026 · REBUILT DAILY

Depth by county

Counties with at least five wells reporting the top. Bars are well counts.

CountyWellsMedian, ftP10–P90Last 3 yrs
Hutchinson
819
2,9842,612–3,2140
Moore
226
3,0042,697–3,2060
Carson
152
2,7742,446–3,0500
Hansford
39
3,4103,202–3,4820
Gray
38
2,7872,663–3,1880
Roberts
21
4,0303,784–4,1420

Operators

Current operator of record for wells reporting the top, ranked by wells permitted in the last three years.

OperatorLast 3 yrsAll
Sunlight Exploration, Inc.11
Huber, J. M., Corporation0298
WO Operating Company068
Lyco Energy Corporation046
PG-M International Operating,llc045
American Star Energy & Min. Corp032
Linn Operating, Inc.031
Phillips Petroleum Company030
Getty Oil Co.028
Panhandle Producing Company022
Strat Land Exploration Company022
North Star Petroleum Corp.021
Star Dust Mines, Inc.016
Tex-Well Oil & Gas Corp.012
Parallel Energy LP012
Raw Hide Production Co., Inc.011
Caprock Engineering, Inc.011
Aggie Oil010
Deep Reef Industries010
Lera010
Cal-T Oil Company010
Trio Oil09
Terreland Corporation09
Jones Energy, Ltd.09
Cabot Petroleum Corporation09

Recently permitted wells reporting the White Dolomite

BY LAST PERMIT ISSUED

Last permitLeaseOperatorCountyTop, ftAPI
Jul 30, 2025L S RanchSunlight Exploration, Inc.Oldham4,75435930312
Jul 20, 2023StringerScout Energy Management LLCMoore3,10934131851
Dec 29, 2022LonganeckerScout Energy Management LLCMoore3,20634131946
Dec 8, 2022Thompson, EstatePantera Energy CompanyCarson2,95406500161
Aug 29, 2022Fee -244-Large Operating LLCCarson2,94006502182
Aug 29, 2022Fee -244-Large Operating LLCCarson2,93506502184
Jun 14, 2022McDowell 'B'Scout Energy Management LLCMoore2,99634131954
Apr 22, 2022Hohmann, R. N.Scout Energy Management LLCMoore3,09634131921
Apr 5, 2022WilbarScout Energy Management LLCMoore3,03634131958
Feb 10, 2022BurnettScout Energy Management LLCCarson2,20006532187
Aug 24, 2021W.S. Christian et ALA2R Resources, LLCHutchinson2,92023333595
Aug 18, 2021Firebrand BuiA2R Resources, LLCHutchinson2,99223333594
Aug 5, 2021Firebrand BuiA2R Resources, LLCHutchinson3,00223333593
Jun 29, 2021WilsonEdwards, W. R. Jr.Moore2,82034131280
Jun 29, 2021WilsonEdwards, W. R. Jr.Moore2,80034131293
Feb 12, 2021Logan-DuniganA2R Resources, LLCHutchinson3,28423333590
Feb 12, 2021Logan-DuniganA2R Resources, LLCHutchinson3,36223333591
Dec 18, 2020SanfordBar L ProducersCarson2,82606500877
Nov 19, 2020Christian, W. S., EtalA2R Resources, LLCHutchinson2,92223333589
Nov 9, 2020Christian, W. S., EtalA2R Resources, LLCHutchinson2,98423333588
Jun 14, 2019Logan-DuniganA2R Resources, LLCHutchinson3,34023333585
Apr 5, 2019Scharbauer, C. 'a' NCT-2Texaco E & P Inc.Midland3,25832934213
Feb 8, 2019BurnettScout Energy Management LLCCarson3,48006532198
Jan 25, 2019Armstrong, M.B.LeraHutchinson2,63223330716
Jan 25, 2019Armstrong, M.B.LeraHutchinson2,66623330717

About this data

Formation tops, elevations, perforations, and casing from the RRC dbf900 wellbore file, refreshed weekly, with reported names normalized to Petrora's formation registry. County and operator breakdowns are rebuilt nightly.

Developers: this page as JSON is GET /v1/data/formations/white-dolomite, documented in the API reference.