FORMATIONS · RRC WELLBORE FILE

Delaware

Reported as a top in 12,750 wells across 10 counties, at a median depth of 4,470 ft (2,500 to 5,146 ft in most wells). 1,361 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 →

12.8K
wells reporting a top
1,361
permitted in last 3 years
10
counties
4,470
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
Reeves
4,949
4,0182,500–5,114344
Loving
4,185
4,5513,376–5,207691
Ward
1,588
4,9534,645–5,134122
Culberson
1,321
2,2591,544–2,551152
Winkler
511
5,0274,390–5,16750
Pecos
192
4,7964,384–5,2702

Operators

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

Recently permitted wells reporting the Delaware

BY LAST PERMIT ISSUED

Last permitLeaseOperatorCountyTop, ftAPI
Sep 30, 2026San Quentin 76 2932XTO Energy Inc.Loving4,77630134691
Sep 30, 2026St. Cloud 76 3031 TGXTO Energy Inc.Loving4,67730136282
May 29, 2026Rough Rider UnitScout Energy Management LLCReeves2,50038934864
May 6, 2026Battle Axe SWDNGL Water Solutions Permian, LLCLoving4,82630134785
May 5, 2026Fishhook 5NGL Water Solutions Permian, LLCLoving4,96630136401
Apr 14, 2026Boatfield SWDNGL Water Solutions Permian, LLCReeves3,07638940611
Apr 9, 2026Pyote MonitorXTO Energy Inc.Ward4,69247530228
Apr 1, 2026Jim Ed UnitPitts Energy Co.Ward4,91347535601
Mar 31, 2026Jim Ed UnitPitts Energy Co.Ward4,88047533861
Feb 23, 2026Wrangler C UnitEOG Resources, Inc.Loving5,08230137772
Feb 13, 2026Ramble on SWDWaterbridge Stateline LLCLoving4,12530137761
Feb 11, 2026Wrangler D UnitEOG Resources, Inc.Loving5,36130137753
Jan 20, 2026DBM 57-1-34Wes Water Holdings LLCReeves2,84838941005
Jan 20, 2026DBM 57-1-39Wes Water Holdings LLCReeves2,82538941007
Jan 14, 2026DBM 56-2-9Wes Water Holdings LLCReeves3,16738941008
Jan 14, 2026Highway 22506 a 1-7-10BTA Oil Producers, LLCReeves3,31638941958
Jan 14, 2026Highway 22506 B 1-7-10BTA Oil Producers, LLCReeves3,33138941959
Jan 8, 2026DBM 29-35Wes Water Holdings LLCLoving5,14030134995
Jan 6, 2026EL Patron UnitEOG Resources, Inc.Loving5,37130137676
Jan 6, 2026EL Patron UnitEOG Resources, Inc.Loving5,35930137677
Jan 6, 2026EL Patron UnitEOG Resources, Inc.Loving5,36130137678
Dec 5, 2025Owl CaponeSolaris Water Midstream, LLCCulberson2,05210934535
Nov 21, 2025Yellowfin SWDPetro-Hunt Permian, LLCLoving4,81530137657
Nov 19, 2025Aermotor SWDWaterbridge Stateline LLCLoving5,13130137656
Nov 13, 2025Rev GF Maria Breber State UnitChevron U. S. A. Inc.Reeves5,13938941915

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/delaware, documented in the API reference.