WELL · 42-013-36079 · DISTRICT 1

Ocelot Allocation #4H

Y

Atascosa County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Ocelot Allocation #4H (API 42-013-36079) is a horizontal well in Atascosa County operated by Trailblazer Energy Resources LLC, completed April 9, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 18, 2023, permitted to 9,000 ft.

It was permitted by Pillar Efs, LLC and has since transferred to Trailblazer Energy Resources LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Queen City, Reklaw, Carrizo, Wilcox.

Its lease has reported 170K barrels of oil and 52.8K mcf of gas since April 2024, last reporting in July 2026.

Operator of record

Trailblazer Energy Resources LLC

Permitted by Pillar Efs, LLC; the EWA schedule now lists a different operator.

Tulsa, OK · P-5 Y, filed Aug 4, 2025 · 30 permits on file · (866) 598-1407

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTrailblazer Energy Resources LLC
Production reportsTrailblazer Energy Resources,llcthrough Apr 2026
Latest permitPillar Efs, LLCSep 18, 2023

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

9,000
total depth, ft
1
permits on file
Sep 18, 2023
last permit issued
Apr 9, 2024
completed
170K
cumulative oil, bbl
52.8K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 9, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.895279, -98.333190

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Atascosa 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
Ocelot Allocation O-1-21424Eagleville (Eagle Ford-1)Trailblazer Energy Resources,llc1170K52.8KApr 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 41,983 · prior 12 113,945(-63%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 12,311 · prior 12 36,962(-67%)

02K4K6K202420252026

Chain of custody

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

  1. 1Pillar Efs, LLCApr 2024 → Jan 2026
  2. 2Trailblazer Energy Resources,llcFeb 2026 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
893476-99DrillPillar Efs, LLCSep 6, 2023Sep 18, 2023Jan 13, 20249,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-21424————

Formation tops

As filed on W-2/G-1. Subsea from 286 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City1,828-1,542
Reklaw3,013-2,727
Carrizo3,721-3,435
WilcoxWILCOX - DISPOSAL4,333-4,047
NavarroNAVARRO - H2S5,991-5,705
OlmosOLMOS - DISPOSAL6,729-6,443
AnacachoANACACHO - H2S7,965-7,679
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL8,157-7,871
Bartosh——
EscondidoESCONDIDO - H2S, DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
8,64516,115Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,92012.251,235 S
5.516,1438.753,288 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 30, 2024Jun 12, 2024Yes

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 →

Ocelot42-013-36076

0.0 KM · Pillar Efs, LLC · Section with this well →

Queen City1,820-1,531
Reklaw3,008-2,719
Carrizo3,713-3,424
Wilcox4,325-4,036
Midway5,022-4,733
Navarro5,971-5,682
Olmos6,652-6,363
Anacacho7,935-7,646

10 TOPS · FIRST 8

Raft a Unit42-013-35899

1.3 KM · Pillar Efs, LLC · Section with this well →

Queen City2,256-1,956
Reklaw3,444-3,144
Carrizo4,152-3,852
Wilcox4,553-4,253
LWR Wilcox4,765-4,465
Midway5,462-5,162
Navarro6,134-5,834
Olmos6,833-6,533

10 TOPS · FIRST 8

Raft B Unit42-013-35900

1.3 KM · Pillar Efs, LLC · Section with this well →

Queen City2,253-1,953
Reklaw3,439-3,139
Carrizo4,146-3,846
Wilcox4,546-4,246
Navarro6,132-5,832
Olmos6,807-6,507
Anacacho8,152-7,852
Austin Chalk8,345-8,045

10 TOPS · FIRST 8

Slice AW42-013-36228

1.7 KM · Pillar Efs, LLC · Section with this well →

Queen City1,009-726
Reklaw3,366-3,083
Carrizo4,042-3,759
Wilcox4,492-4,209
Navarro6,048-5,765
Olmos6,755-6,472
Anacacho8,043-7,760
Austin Chalk8,235-7,952

10 TOPS · FIRST 8

Free Ride AW42-013-36229

1.7 KM · Pillar Efs, LLC · Section with this well →

Queen City1,011-728
Reklaw3,374-3,091
Carrizo4,050-3,767
Wilcox4,501-4,218
Olmos6,775-6,492
Anacacho8,035-7,752
Austin Chalk8,235-7,952
Navarro—

10 TOPS · FIRST 8

Rockin M C Unit42-013-35902

3.0 KM · Pillar Efs, LLC · Section with this well →

Queen City2,271-1,916
Reklaw3,455-3,100
Carrizo4,161-3,806
Wilcox4,559-4,204
Olmos6,013-5,658
Navarro6,206-5,851
Anacacho8,135-7,780
Austin Chalk8,337-7,982

10 TOPS · FIRST 8

FZ42-013-35901

3.0 KM · Pillar Efs, LLC · Section with this well →

Queen City2,268-1,913
Reklaw3,454-3,099
Carrizo4,158-3,803
Wilcox4,556-4,201
LWR Wilcox4,767-4,412
Midway5,462-5,107
Navarro6,172-5,817
Olmos6,866-6,511

10 TOPS · FIRST 8

Rockin M a Unit42-013-35832

3.2 KM · Pillar Efs, LLC · Section with this well →

Queen City2,516-2,184
Reklaw3,567-3,235
Carrizo4,265-3,933
Wilcox5,216-4,884
Navarro6,334-6,002
Olmos7,009-6,677
Anacacho8,402-8,070
Austin Chalk8,593-8,261

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/01336079, documented in the API reference.