WELL · 42-127-38412 · DISTRICT 1

Red Ranch Efs #21H

Y

Dimmit County · Briscoe Ranch (Eagleford) field · Producing  · Horizontal

Red Ranch Efs #21H (API 42-127-38412) is a horizontal well in Dimmit County operated by Atlas Operating LLC, completed January 9, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 24, 2021, permitted to 6,100 ft.

Completion filings report 9 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.

Its lease has reported 978K barrels of oil and 3.39M mcf of gas since May 2017, last reporting in July 2026. The lease carries 10 wells, so these are lease totals, not this well alone.

Operator of record

Atlas Operating LLC

Houston, TX · P-5 Y, filed Oct 4, 2025 · 78 permits on file · (281) 893-9400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAtlas Operating LLC
Production reportsAtlas Operating LLCthrough Mar 2026
Latest permitAtlas Operating LLCAug 24, 2021
6,100
total depth, ft
2
permits on file
Aug 24, 2021
last permit issued
Jan 9, 2022
completed
978K
cumulative oil, bbl
3.39M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 9, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: H

Surface location

28.366465, -100.066101

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Dimmit 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 10 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Red Ranch Efs O-1-18977Briscoe Ranch (Eagleford)Atlas Operating LLC10978K3.39MMay 2017 – Jul 2026

Oil, barrels lease total

Last 12 months 116,011 · prior 12 105,357(+10%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 342,690 · prior 12 549,993(-38%)

050K100K150K202420252026

Chain of custody

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

  1. 1Sea Eagle Ford, LLCMay 2017 → Aug 2019
  2. 2Atlas Operating LLCSep 2019 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
871897-98DrillAtlas Operating LLCApr 29, 2022Aug 24, 2021Sep 12, 20216,100
871897-99DrillAtlas Operating LLCAug 11, 2021Aug 24, 2021Sep 12, 20216,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-18977————

Formation tops

As filed on W-2/G-1. Subsea from 731 ft elevation.Download CSV →

FormationMD ftSubsea
EscondidoESCONDIDO - DISPOSAL562169
OlmosOLMOS - DISPOSAL1,538-807
San MiguelSAN MIGUEL - H2S2,718-1,987
Austin ChalkAUSTIN CHALK - H2S3,906-3,175
Eagle FordEAGLE FORD - H2S4,959-4,228
EdwardsEDWARDS - H2S——
GeorgetownGEORGETOWN - H2S——
Glen RoseGLEN ROSE - DISPOSAL——
Pearsall——

Perforations

Perforated and open-hole intervals.

FromToType
6,25913,040Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
16802040 S
9.6251,10512.25355 S
5.513,1928.53,490 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 29, 2022Mar 9, 2022Yes

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 →

Red Ranch Efs42-127-38423

0.0 KM · Atlas Operating LLC · Section with this well →

Escondido562169
Olmos1,538-807
San Miguel2,718-1,987
Austin Chalk3,906-3,175
Eagle Ford4,959-4,228
Pearsall—
Georgetown—
Glen Rose—

9 TOPS · FIRST 8

Red Ranch Efs42-127-38019

0.7 KM · Sea Eagle Ford, LLC · Section with this well →

Escondido1,323-568
Olmos2,300-1,545
San Miguel3,480-2,725
Austin Chalk4,658-3,903
Eagle Ford5,656-4,901
Georgetown—
Edwards—
Glen Rose—

9 TOPS · FIRST 8

Red Ranch Efs42-127-38029

0.7 KM · Sea Eagle Ford, LLC · Section with this well →

Escondido1,323-568
Olmos2,300-1,545
San Miguel3,480-2,725
Austin Chalk4,662-3,907
Eagle Ford5,639-4,884
Georgetown—
Glen Rose—
Pearsall—

9 TOPS · FIRST 8

Hamilton Ranch42-127-38571

0.8 KM · Grit Oil & Gas Management, LLC · Section with this well →

Escondido1,164-429
Olmos2,159-1,424
San Miguel3,088-2,353
Georgetown—
Glen Rose—
Pearsall—
Austin Chalk—
Eagle Ford—

9 TOPS · FIRST 8

Hamilton Ranch42-127-38573

0.8 KM · Grit Oil & Gas Management, LLC · Section with this well →

Escondido1,164-430
Olmos2,159-1,425
San Miguel3,088-2,354
Austin Chalk—
Eagle Ford—
Edwards—
Georgetown—
Glen Rose—

9 TOPS · FIRST 8

Hamilton Ranch42-127-38574

0.8 KM · Grit Oil & Gas Management, LLC · Section with this well →

Escondido1,164-428
Olmos2,159-1,423
San Miguel3,088-2,352
Austin Chalk—
Eagle Ford—
Edwards—
Georgetown—
Glen Rose—

9 TOPS · FIRST 8

Hamilton Ranch42-127-38575

0.8 KM · Grit Oil & Gas Management, LLC · Section with this well →

Escondido1,164-429
Olmos2,159-1,424
San Miguel3,088-2,353
Pearsall—
Edwards—
Austin Chalk—
Eagle Ford—
Glen Rose—

9 TOPS · FIRST 8

Hamilton Ranch42-127-38572

0.8 KM · Grit Oil & Gas Management, LLC · Section with this well →

Escondido1,164-429
Olmos2,159-1,424
San Miguel3,088-2,353
Edwards—
Georgetown—
Austin Chalk—
Pearsall—
Glen Rose—

9 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/12738412, documented in the API reference.