WELL · 42-317-42373 · DISTRICT 8

UL 2631 W12 #15SC

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

UL 2631 W12 #15SC (API 42-317-42373) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed January 11, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 3, 2019, permitted to 9,800 ft.

It was permitted by Qep Energy Company and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 177K barrels of oil and 652K mcf of gas since March 2020, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by QEP Energy Company; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitQEP Energy CompanyJul 3, 2019

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,800
total depth, ft
1
permits on file
Jul 3, 2019
last permit issued
Jan 11, 2022
completed
177K
cumulative oil, bbl
652K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 11, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.366881, -102.197384

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL 2631 W12 O-10-55048Spraberry (Trend Area)Diamondback E&P LLC1177K652KMar 2020 – Jul 2026

Gas, mcf lease total

Last 12 months 129,847 · prior 12 120,578(+8%)

05K10K15K202420252026

Oil, barrels lease total

Last 12 months 6,076 · prior 12 8,876(-32%)

05001K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1QEP Energy CompanyFeb 2021 → Sep 2021
  2. 2Diamondback E&P LLCOct 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
854650-99DrillQEP Energy CompanyJun 27, 2019Jul 3, 2019Dec 11, 20199,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-55048————

Formation tops

As filed on W-2/G-1. Subsea from 2,932 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,5161,416
Santa Rosa1,5281,404
Yates3,108-176
Yates3,144-212
Queen4,097-1,165
Queen4,122-1,190
Grayburg4,703-1,771
Grayburg4,717-1,785
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,876-1,944
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,901-1,969
Spraberry8,383-5,451
Spraberry8,388-5,456
Cisco——
Dean——
Pennsylvanian——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,75417,052Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,82617.51,405 S
9.6255,82212.251,340 S
5.517,2488.52,160 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 25, 2022Mar 24, 2022Yes
00Sep 9, 2021Aug 25, 2021—
00Jul 20, 2021May 14, 2021Yes
00Nov 19, 2020Nov 9, 2020Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

UL 2631 W1342-317-42374

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5111,421
Yates3,103-171
Queen4,093-1,161
Grayburg4,699-1,767
San Andres4,871-1,939
Spraberry8,378-5,446
Pennsylvanian—
Wolfcamp—

10 TOPS · FIRST 8

UL 2631 W1042-317-42371

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5091,423
Yates3,101-169
Queen4,091-1,159
Grayburg4,696-1,764
San Andres4,869-1,937
Spraberry8,381-5,449
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

UL 2631 W942-317-42370

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5141,418
Yates3,106-174
Queen4,095-1,163
Grayburg4,694-1,762
San Andres4,874-1,942
Spraberry8,385-5,453
Dean—
Wolfcamp—

10 TOPS · FIRST 8

UL 2631 W842-317-42369

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5061,425
Yates3,098-167
Queen4,087-1,156
Grayburg4,693-1,762
San Andres4,866-1,935
Spraberry8,379-5,448
Wolfcamp—
Dean—

10 TOPS · FIRST 8

UL 2631 W742-317-42368

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5091,422
Yates3,101-170
Queen4,091-1,160
Grayburg4,696-1,765
San Andres4,869-1,938
Spraberry8,373-5,442
Dean9,662-6,731
Precambrian (Undifferentiated)—

15 TOPS · FIRST 8

UL 2631 W1142-317-42372

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5091,422
Yates3,101-170
Queen4,090-1,159
Grayburg4,696-1,765
San Andres4,869-1,938
Spraberry8,354-5,423
Dean—
Cisco—

10 TOPS · FIRST 8

University 7-31B42-317-41454

0.3 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5051,426
Yates3,070-139
Queen4,050-1,119
Grayburg4,600-1,669
San Andres4,845-1,914
Spraberry9,305-6,374
Dean9,650-6,719
Wolfcamp10,074-7,143

10 TOPS · FIRST 8

UL 2631 W642-317-42357

0.4 KM · QEP Energy Company · Section with this well →

Santa Rosa1,5341,393
Yates3,133-206
Queen4,117-1,190
Grayburg4,702-1,775
San Andres4,881-1,954
Spraberry8,373-5,446
Dean—
Wolfcamp—

10 TOPS · FIRST 8

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/31742373, documented in the API reference.