WELL · 42-451-32879 · DISTRICT 7

Devon 21 #4

Y

Tom Green County · Funk (San Andres) field · Producing  · Vertical

Devon 21 #4 (API 42-451-32879) is a well in Tom Green County operated by Prestonwood Operating LLC, completed September 20, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 18, 2018, permitted to 2,000 ft.

It was permitted by Banner Operating, LLC and has since transferred to Prestonwood Operating LLC on the wellbore schedule.

Completion filings report 7 formation tops, including San Andres, San Angelo, Clear Fork, Canyon.

Its lease has reported 37.3K barrels of oil since March 2015, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Prestonwood Operating LLC

Permitted by Banner Operating, LLC; the EWA schedule now lists a different operator.

Palmerton, PA · P-5 Y, filed Mar 4, 2026 · 2 permits on file · (469) 387-7043

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePrestonwood Operating LLC
Production reportsPrestonwood Operating LLCthrough Mar 2026
Latest permitBanner Operating, LLCJun 18, 2018

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

2,000
total depth, ft
1
permits on file
Jun 18, 2018
last permit issued
Sep 20, 2018
completed
37.3K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2015 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 20, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.540340, -100.798414

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Tom Green 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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Devon 21 O-9-19051Funk (San Andres)Prestonwood Operating LLC437.3K0Mar 2015 – Jul 2026

Oil, barrels lease total

Last 12 months 3,288 · prior 12 3,659(-10%)

05001K202420252026

Chain of custody

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

  1. 1Banner Operating, LLCMar 2015 → Jun 2020
  2. 2Prestonwood Operating LLCJul 2020 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
841345-99DrillBanner Operating, LLCJun 18, 2018Jun 18, 2018Jun 29, 20182,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-19051————

Formation tops

As filed on W-2/G-1. Subsea from 2,266 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres7981,468
San Angelo1,1001,166
Clear ForkCLEARFORK1,1521,114
Canyon——
Cisco——
Coleman Junction——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
950957Perforated
978984Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
4.51,2637.875325 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 23, 2019Mar 1, 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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Livingston42-451-32876

0.2 KM · Banner Operating, LLC · Section with this well →

San Andres7821,473
San Angelo1,0571,198
Clear Fork1,1181,137
Coleman Junction—
Strawn—
Canyon—
Cisco—

Devon 2142-451-32873

0.7 KM · Banner Operating, LLC · Section with this well →

San Andres8841,418
San Angelo1,1471,155
Clear Fork1,2401,062
Strawn—
Canyon—
Cisco—
Coleman Junction—

Livingston42-451-32885

1.3 KM · Banner Operating, LLC · Section with this well →

San Andres7421,491
San Angelo1,0911,142
Clear Fork1,1321,101
Coleman Junction—
Cisco—
Canyon—
Strawn—

Livingston42-451-32865

1.5 KM · Banner Operating, LLC · Section with this well →

San Andres7511,484
San Angelo1,0601,175
Clear Fork1,1001,135
Canyon—
Cisco—
Coleman Junction—
Strawn—

Sullenger42-451-32875

1.6 KM · Banner Operating, LLC · Section with this well →

San Andres7341,525
San Angelo1,0001,259
Clear Fork1,0841,175
Canyon—
Strawn—
Coleman Junction—
Cisco—

Devon A42-451-32910

2.8 KM · Ivory Energy, LLC · Section with this well →

San Angelo8951,413
San Andres1,0101,298
Clear Fork1,2451,063
Strawn—
Canyon—
Cisco—
Coleman Junction—

Devon A42-451-32908

2.8 KM · Ivory Energy, LLC · Section with this well →

San Angelo8951,418
San Andres1,0251,288
Clear Fork1,2501,063
Strawn—
Coleman Junction—
Cisco—
Canyon—

Devon A42-451-32891

2.8 KM · Ivory Energy, LLC · Section with this well →

San Andres1,0441,275
San Angelo1,3011,018
Clear Fork1,358961
Canyon—
Coleman Junction—
Cisco—
Strawn—

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/45132879, documented in the API reference.