WELL · 42-227-39176 · DISTRICT 8

Williams 21 A #2WA

Y

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

Williams 21 A #2WA (API 42-227-39176) is a horizontal well in Howard County operated by Diamondback E&P LLC, completed February 3, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued June 28, 2017, permitted to 8,178 ft.

Completion filings report 10 formation tops, including Yates, Seven Rivers, San Andres, Glorieta.

Its lease has reported 363K barrels of oil and 1.26M mcf of gas since February 2018, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 4, 2026
Permits on file
5,237
Phone
(432) 221-7400

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 LLCJun 28, 2017
8,178
total depth, ft
2
permits on file
Jun 28, 2017
last permit issued
Feb 3, 2018
completed
363K
cumulative oil, bbl
1.26M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 3, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

32.368623, -101.661141

Google Maps ↗

Permit surface location from the RRC GIS record, in Howard 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
Williams 21 A O-10-51746Spraberry (Trend Area)Diamondback E&P LLC1363K1.26MFeb 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 66,275 · prior 12 116,297(-43%)

010K20K202420252026

Oil, barrels lease total

Last 12 months 8,350 · prior 12 11,434(-27%)

01K2K3K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCFeb 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
827845-98DrillDiamondback E&P LLCJun 24, 2019Jun 28, 2017Aug 2, 20179,140
827845-99DrillDiamondback E&P LLCJun 14, 2017Jun 28, 2017Aug 2, 20179,140

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 3, 2018Williams 21 A O-10-51746Spraberry (Trend Area)Diamondback E&P LLCProducing8,178

Formation tops

As filed on W-2/G-1. Subsea from 2,551 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,925626
Seven Rivers2,098453
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,668-1,117
Glorieta4,218-1,667
Clear ForkCLEARFORK - SEVERE WATER FLOWS4,860-2,309
Spraberry6,620-4,069
Leonard7,537-4,986
Dean7,890-5,339
Wolfcamp8,050-5,499
Coleman Junction——

Perforations

Perforated and open-hole intervals.

FromToType
8,41918,809Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37544917.5580 S
9.6257,68012.25825 S
5.518,9048.52,795 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
00Jul 12, 2019Feb 15, 2019Yes

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). 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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Williams 21 B42-227-39175

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

Yates1,923628
Seven Rivers2,102449
San Andres3,684-1,133
Glorieta4,245-1,694
Clear Fork4,872-2,321
Spraberry6,629-4,078
Leonard7,543-4,992
Dean7,894-5,343

10 TOPS · FIRST 8

Williams 21 C42-227-39174

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

Yates1,924627
Seven Rivers2,099452
San Andres3,684-1,133
Glorieta4,255-1,704
Clear Fork4,874-2,323
Spraberry6,632-4,081
Leonard7,550-4,999
Dean7,906-5,355

10 TOPS · FIRST 8

Williams 21 B42-227-40267

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

Yates1,930621
Seven Rivers2,028523
San Andres3,411-860
Glorieta4,223-1,672
Clear Fork4,843-2,292
Spraberry6,598-4,047
Dean—
Leonard—

10 TOPS · FIRST 8

Williams 21 B42-227-40268

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

Yates1,943608
Seven Rivers2,045506
San Andres3,415-864
Glorieta4,243-1,692
Clear Fork4,862-2,311
Spraberry6,596-4,045
Dean7,880-5,329
Wolfcamp8,018-5,467

12 TOPS · FIRST 8

Williams 21 C42-227-40269

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

Yates1,943608
Seven Rivers2,028523
San Andres3,410-859
Glorieta4,230-1,679
Clear Fork4,860-2,309
Spraberry6,585-4,034
Coleman Junction—
Dean—

10 TOPS · FIRST 8

Williams 21 C42-227-40270

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

Yates1,928624
Seven Rivers2,053499
San Andres3,431-879
Glorieta4,254-1,702
Clear Fork4,862-2,310
Spraberry6,597-4,045
Dean7,871-5,319
Wolfcamp8,023-5,471

10 TOPS · FIRST 8

Demon Deacon 22-25 D42-227-41839

0.2 KM · Birch Operations, Inc. · Section with this well →

Santa Rosa8401,712
Rustler1,2581,294
Yates1,938614
Seven Rivers2,071481
San Andres3,423-871
Glorieta4,571-2,019
Clear Fork4,856-2,304
Spraberry6,596-4,044

10 TOPS · FIRST 8

Demon Deacon 22-25 E42-227-42522

0.8 KM · Birch Operations, Inc. · Section with this well →

Santa Rosa8071,760
Rustler1,2571,310
Yates1,933634
Seven Rivers2,071496
San Andres3,422-855
Glorieta4,529-1,962
Clear Fork4,828-2,261
Spraberry6,598-4,031

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/22739176, documented in the API reference.