WELL · 42-163-34345 · DISTRICT 1

Harlan RK #18H

Y

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

Harlan RK #18H (API 42-163-34345) is a horizontal well in Frio County operated by Trailblazer Energy Resources LLC, completed November 13, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 26, 2024, permitted to 6,500 ft.

Completion filings report 10 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.

Its lease has reported 1.56M barrels of oil and 6.37M mcf of gas since November 2014, last reporting in July 2026. The lease carries 13 wells, so these are lease totals, not this well alone.

Operator of record

Trailblazer Energy Resources LLC

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 permitTrailblazer Energy Resources,llcAug 26, 2024
6,500
total depth, ft
2
permits on file
Aug 26, 2024
last permit issued
Nov 13, 2024
completed
1.56M
cumulative oil, bbl
6.37M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2014 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 13, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.771223, -99.357101

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Frio 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 13 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Harlan RK O-1-18196Briscoe Ranch (Eagleford)Trailblazer Energy Resources,llc131.56M6.37MNov 2014 – Jul 2026

Oil, barrels lease total

Last 12 months 233,454 · prior 12 257,558(-9%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 568,546 · prior 12 398,528(+43%)

020K40K60K202420252026

Chain of custody

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

  1. 1Virtex Operating Company, Inc.Nov 2014 → Aug 2023
  2. 2Trailblazer Energy Resources,llcSep 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
902196-98DrillTrailblazer Energy Resources,llcJan 14, 2025Aug 26, 2024Sep 13, 20246,500
902196-99DrillTrailblazer Energy Resources,llcAug 20, 2024Aug 26, 2024Sep 13, 20246,205

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-18196————

Formation tops

As filed on W-2/G-1. Subsea from 559 ft elevation.Download CSV →

FormationMD ftSubsea
Escondido3,111-2,552
Olmos4,170-3,611
Anacacho5,201-4,642
Austin ChalkAUSTIN CHALK - H2S5,591-5,032
Eagle FordEAGLE FORD - H2S6,035-5,476
BudaBUDA - H2S——
GeorgetownGEORGETOWN - H2S——
Navarro——
Pearsall——
Queen City——

Perforations

Perforated and open-hole intervals.

FromToType
6,42217,866Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,77712.25690 S
5.517,9358.753,140 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
00Mar 27, 2025Feb 3, 2025Yes

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 →

Harlan RK42-163-34344

0.0 KM · Trailblazer Energy Resources,llc · Section with this well →

Escondido3,112-2,553
Olmos4,178-3,619
Anacacho5,190-4,631
Austin Chalk5,587-5,028
Eagle Ford6,031-5,472
Pearsall—
Buda—
Queen City—

10 TOPS · FIRST 8

Whitwell B42-163-34164

1.1 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City960-403
Olmos2,510-1,953
Navarro3,170-2,613
Escondido4,010-3,453
Anacacho5,257-4,700
Austin Chalk5,651-5,094
Eagle Ford6,094-5,537
Buda—

10 TOPS · FIRST 8

Whitwell B42-163-34165

1.1 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City960-402
Olmos2,510-1,952
Navarro3,170-2,612
Escondido4,010-3,452
Anacacho5,258-4,700
Austin Chalk5,627-5,069
Eagle Ford6,109-5,551
Georgetown—

10 TOPS · FIRST 8

Harlan, R.K.42-163-33388

1.6 KM · Virtex Operating Company, Inc. · Section with this well →

Queen City1,910-1,350
Midway2,817-2,257
Navarro2,817-2,257
Escondido3,090-2,530
Olmos4,094-3,534
Anacacho5,100-4,540
Austin Chalk5,495-4,935
Eagle Ford5,942-5,382

12 TOPS · FIRST 8

Whitwell C42-163-34206

1.8 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City960-396
Olmos2,480-1,916
Navarro3,123-2,559
Escondido3,948-3,384
Anacacho5,289-4,725
Austin Chalk5,684-5,120
Eagle Ford6,137-5,573
Georgetown—

10 TOPS · FIRST 8

Whitwell C42-163-34207

1.8 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City960-397
Olmos2,510-1,947
Navarro3,156-2,593
Escondido3,869-3,306
Anacacho5,301-4,738
Austin Chalk5,683-5,120
Eagle Ford6,243-5,680
Georgetown—

10 TOPS · FIRST 8

Whitwell C42-163-34208

1.8 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City960-396
Navarro3,170-2,606
Escondido4,010-3,446
Olmos4,270-3,706
Anacacho5,320-4,756
Austin Chalk5,710-5,146
Eagle Ford6,157-5,593
Pearsall—

10 TOPS · FIRST 8

Harlan RK42-163-33911

2.1 KM · Virtex Operating Company, Inc. · Section with this well →

Queen City1,919-1,353
Navarro3,041-2,475
Escondido3,554-2,988
Olmos4,138-3,572
Anacacho5,107-4,541
Austin Chalk5,514-4,948
Eagle Ford5,974-5,408
Georgetown—

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

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