WELL · 42-003-48724 · DISTRICT 8

UL Sitka 12-1 R #6WB

Y

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

UL Sitka 12-1 R #6WB (API 42-003-48724) is a horizontal well in Andrews County operated by Diamondback E&P LLC, completed September 29, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 27, 2022, permitted to 13,000 ft.

Completion filings report 10 formation tops, including Grayburg, Yates, San Andres, Clear Fork.

Its lease has reported 222K barrels of oil and 287K mcf of gas since June 2023, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

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 permitDiamondback E&P LLCDec 27, 2022
13,000
total depth, ft
1
permits on file
Dec 27, 2022
last permit issued
Sep 29, 2023
completed
222K
cumulative oil, bbl
287K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 29, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.395508, -102.293525

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Andrews 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 Sitka 12-1 R O-10-60527Spraberry (Trend Area)Diamondback E&P LLC1222K287KJun 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 38,642 · prior 12 76,595(-50%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 78,465 · prior 12 107,164(-27%)

010K20K30K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
885669-99DrillDiamondback E&P LLCNov 10, 2022Dec 27, 2022May 14, 202313,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-60527————

Formation tops

As filed on W-2/G-1. Subsea from 3,007 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg3,109-102
Yates3,185-178
San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO5,001-1,994
Clear ForkCLEARFORK6,979-3,972
Glorieta——
Holt——
Permian (undifferentiated)PERMIAN DETRITAL——
Queen——
Seven Rivers——
Tubb——

Perforations

Perforated and open-hole intervals.

FromToType
10,47918,041Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,80014.751,165 S
8.6259,45211800 S
5.518,0877.8751,765 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
00Jun 27, 2024Apr 17, 2024Yes
00Mar 28, 2024Dec 5, 2023Yes

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 Sitka 12-1 S42-003-48723

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates3,186-179
Seven Rivers3,437-430
Queen3,870-863
Grayburg4,561-1,554
San Andres4,997-1,990
Glorieta5,946-2,939
Clear Fork6,979-3,972
Tubb—

10 TOPS · FIRST 8

UL Sitka 12-1 M42-003-48721

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates3,194-188
Seven Rivers3,439-433
Queen3,872-866
Grayburg4,563-1,557
San Andres4,999-1,993
Glorieta5,948-2,942
Clear Fork6,976-3,970
Tubb—

10 TOPS · FIRST 8

UL Sitka 12-1 P42-003-48720

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates3,184-178
Seven Rivers3,426-420
Queen3,856-850
Grayburg4,557-1,551
San Andres4,992-1,986
Glorieta5,940-2,934
Clear Fork6,959-3,953
Tubb—

10 TOPS · FIRST 8

UL Tawny Unit 8-1242-003-47832

0.3 KM · Diamondback E&P LLC · Section with this well →

Yates3,163-157
Seven Rivers3,408-402
Queen3,841-835
Grayburg4,280-1,274
San Andres4,968-1,962
San Andres4,968-1,962
Glorieta5,764-2,758
Glorieta5,764-2,758

12 TOPS · FIRST 8

UL Tawny Unit 8-1242-003-47833

0.3 KM · Diamondback E&P LLC · Section with this well →

Yates3,163-157
Seven Rivers3,408-402
Queen3,841-835
Grayburg4,280-1,274
San Andres4,968-1,962
Glorieta5,764-2,758
Clear Fork6,950-3,944
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL Tawny Unit 8-1242-003-47835

0.3 KM · Diamondback E&P LLC · Section with this well →

Yates3,163-157
Seven Rivers3,408-402
Queen3,841-835
Grayburg4,280-1,274
San Andres4,968-1,962
Glorieta5,764-2,758
Clear Fork6,950-3,944
Tubb—

10 TOPS · FIRST 8

UL Sitka 12-1 L42-003-48715

0.4 KM · Diamondback E&P LLC · Section with this well →

Yates3,182-179
Seven Rivers3,432-429
Queen3,865-862
Grayburg4,554-1,551
San Andres4,991-1,988
Glorieta5,938-2,935
Clear Fork6,970-3,967
Spraberry8,505-5,502

11 TOPS · FIRST 8

UL Sitka 12-1 K42-003-48714

0.4 KM · Diamondback E&P LLC · Section with this well →

Yates3,182-179
Seven Rivers3,432-429
Queen3,865-862
Grayburg4,554-1,551
San Andres4,991-1,988
Glorieta5,938-2,935
Clear Fork6,971-3,968
Permian (undifferentiated)—

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/00348724, documented in the API reference.