WELL · 42-163-34357 · DISTRICT 1
Marrs McLean #13H
Frio County · Briscoe Ranch (Eagleford) field · Shut IN · Horizontal
Marrs Mclean #13H (API 42-163-34357) is a horizontal well in Frio County operated by Trailblazer Energy Resources LLC, completed April 20, 2025 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued March 13, 2025, permitted to 6,625 ft.
Completion filings report 12 formation tops, including Midway, San Miguel, Anacacho, Austin Chalk.
Its lease has reported 1.27M barrels of oil and 5.28M mcf of gas since September 2013, last reporting in July 2026. The lease carries 10 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 schedule | Trailblazer Energy Resources LLC |
| Production reports | Trailblazer Energy Resources,llcthrough Apr 2026 |
| Latest permit | Trailblazer Energy Resources,llcMar 13, 2025 |
- 6,625
- total depth, ft
- 1
- permits on file
- Mar 13, 2025
- last permit issued
- Apr 20, 2025
- completed
- 1.27M
- cumulative oil, bbl
- 5.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 20, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.763953, -99.386014
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 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Marrs McLean O-1-17169 | Briscoe Ranch (Eagleford) | Trailblazer Energy Resources,llc | 10 | 1.27M | 5.28M | Sep 2013 – Jul 2026 |
Gas, mcf lease total
Last 12 months 273,017 · prior 12 248,474(+10%)
Oil, barrels lease total
Last 12 months 41,620 · prior 12 39,487(+5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Virtex Operating Company, Inc.Oct 2013 → Aug 2023
- 2Trailblazer Energy Resources,llcSep 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 906397-99 | Drill | Trailblazer Energy Resources,llc | Mar 4, 2025 | Mar 13, 2025 | Mar 20, 2025 | 6,625 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17169 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 611 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| MidwayMIDWAY SHALE | 2,898 | -2,287 |
| San MiguelSAN MIGUEL MARKER | 4,731 | -4,120 |
| Anacacho | 5,324 | -4,713 |
| Austin ChalkAUSTIN CHALK - H2S | 5,700 | -5,089 |
| Eagle FordEAGLE FORD - H2S | 6,287 | -5,676 |
| BudaBUDA - H2S | — | — |
| Escondido | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Navarro | — | — |
| Olmos | — | — |
| Pearsall | — | — |
| Queen City | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,516 | 19,912 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,861 | 12.25 | 690 S |
| 5.5 | 19,970 | 8.75 | 3,620 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 18, 2026 | Jul 23, 2026 | — |
| 00 | Oct 22, 2025 | Oct 13, 2025 | Yes |
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.
- Wellbore filings for 42-163-34357 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-34357 → scanned completion filings
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.
Marrs McLean42-163-34355
0.0 KM · Trailblazer Energy Resources,llc · Section with this well →
| Midway | 2,989 | -2,379 |
| Escondido | 3,175 | -2,565 |
| Olmos | 4,300 | -3,690 |
| Anacacho | 5,297 | -4,687 |
| Austin Chalk | 5,709 | -5,099 |
| Eagle Ford | 6,278 | -5,668 |
| Queen City | — | |
| Pearsall | — |
11 TOPS · FIRST 8
McLean42-163-34072
1.0 KM · Ageron Energy, LLC · Section with this well →
| Queen City | 1,385 | -768 |
| Navarro | 3,050 | -2,433 |
| Escondido | 3,285 | -2,668 |
| Olmos | 4,362 | -3,745 |
| Anacacho | 5,402 | -4,785 |
| Austin Chalk | 5,814 | -5,197 |
| Eagle Ford | 6,274 | -5,657 |
| Georgetown | — |
10 TOPS · FIRST 8
Marrs McLean Unit42-163-33424
1.2 KM · Virtex Operating Company, Inc. · Section with this well →
| Midway | 2,740 | -2,150 |
| Escondido | 3,032 | -2,442 |
| Olmos | 4,159 | -3,569 |
| San Miguel | 4,665 | -4,075 |
| Buda | 6,270 | -5,680 |
| Georgetown | 6,483 | -5,893 |
Harlan A42-163-34140
1.6 KM · Virtex Operating Company, Inc. · Section with this well →
| Queen City | 2,514 | -1,921 |
| Navarro | 2,989 | -2,396 |
| Escondido | 3,306 | -2,713 |
| Olmos | 4,328 | -3,735 |
| Anacacho | 5,390 | -4,797 |
| Austin Chalk | 5,799 | -5,206 |
| Eagle Ford | 6,264 | -5,671 |
| Georgetown | — |
10 TOPS · FIRST 8
Marrs Bauerle Unit42-163-34220
1.8 KM · Ageron Energy, LLC · Section with this well →
| Queen City | 2,310 | -1,620 |
| Navarro | 3,030 | -2,340 |
| Escondido | 3,358 | -2,668 |
| Olmos | 4,421 | -3,731 |
| Anacacho | 5,467 | -4,777 |
| Austin Chalk | 5,871 | -5,181 |
| Eagle Ford | 6,337 | -5,647 |
| Georgetown | — |
10 TOPS · FIRST 8
Marrs Bauerle Unit42-163-34219
1.8 KM · Ageron Energy, LLC · Section with this well →
| Queen City | 2,320 | -1,630 |
| Navarro | 3,040 | -2,350 |
| Escondido | 3,371 | -2,681 |
| Olmos | 4,443 | -3,753 |
| Anacacho | 5,488 | -4,798 |
| Austin Chalk | 5,894 | -5,204 |
| Austin Chalk | 5,894 | -5,204 |
| Eagle Ford | 6,361 | -5,671 |
14 TOPS · FIRST 8
Marrs Bauerle Unit42-163-34218
1.8 KM · Ageron Energy, LLC · Section with this well →
| Queen City | 2,330 | -1,640 |
| Navarro | 3,050 | -2,360 |
| Escondido | 3,374 | -2,684 |
| Olmos | 4,463 | -3,773 |
| Anacacho | 5,513 | -4,823 |
| Austin Chalk | 5,915 | -5,225 |
| Eagle Ford | 6,381 | -5,691 |
| Georgetown | — |
10 TOPS · FIRST 8
Marrs Bauerle Unit42-163-34200
2.2 KM · Ageron Energy, LLC · Section with this well →
| Queen City | 2,350 | -1,720 |
| Navarro | 3,070 | -2,440 |
| Escondido | 3,380 | -2,750 |
| Olmos | 4,468 | -3,838 |
| Anacacho | 5,538 | -4,908 |
| Austin Chalk | 5,940 | -5,310 |
| Eagle Ford | 6,414 | -5,784 |
| 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
Developers: this page as JSON is GET /v1/data/wells/16334357, documented in the API reference.