TEXAS · WELLS · FRIO COUNTY · MARRS MCLEAN LEASE · API 42-163-33469 · DISTRICT 01
Marrs McLean #1H
Frio County · Pearsall (Austin Chalk) field · Shut In · Horizontal
Marrs Mclean #1H (API 42-163-33469) is a horizontal well in Frio County operated by Trailblazer Energy Resources LLC, completed June 15, 2011 and listed as shut in on the RRC schedule, shut in November 1, 2016.
The RRC has issued one drilling permit, issued April 29, 2011, permitted to 5,832 ft.
It was permitted by Virtex Operating Company, Inc. and has since transferred to Trailblazer Energy Resources LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Escondido, Olmos, San Miguel, Anacacho.
Its lease has reported 89K barrels of oil and 354 mcf of gas since May 2011, last reporting in July 2026.
Operator of record
Trailblazer Energy Resources LLC
Permitted by Virtex Operating Company, Inc.; the EWA schedule now lists a different operator.
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Oct 16, 2025
- Permits on file
- 30
- Phone
- (918) 728-3020
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trailblazer Energy Resources LLC |
| Production reports | Virtex Operating Company, Inc.through Oct 2016 |
| Latest permit | Virtex Operating Company, Inc.Apr 29, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,832
- total depth, ft
- 1
- permits on file
- Apr 29, 2011
- last permit issued
- Jun 15, 2011
- completed
- 89K
- cumulative oil, bbl
- 354
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 15, 2011
- Shut in
- Nov 1, 2016
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Marrs McLean O-1-16221 | Pearsall (Austin Chalk) | Trailblazer Energy Resources,llc | 1 | 89K | 354 | May 2011 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Virtex Operating Company, Inc.May 2011 → Oct 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 715045-99 | Drill | Virtex Operating Company, Inc. | Apr 26, 2011 | Apr 29, 2011 | May 13, 2011 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 15, 2011 | Marrs McLean O-1-16221 | Pearsall (Austin Chalk) | Trailblazer Energy Resources LLC | Shut In · shut in Nov 1, 2016 | 5,832 |
Formation tops
As filed on W-2/G-1. Subsea from 592 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 3,080 | -2,488 |
| Olmos | 4,190 | -3,598 |
| San Miguel | 5,040 | -4,448 |
| Anacacho | 5,190 | -4,598 |
| Anacacho | 5,194 | -4,602 |
| Austin Chalk | 5,388 | -4,796 |
| Austin Chalk | 5,615 | -5,023 |
| Austin ChalkAUSTIN CHALK "E" | 5,662 | -5,070 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,454 | 12,600 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,678 | 12.25 | 762 S |
| 7 | 5,454 | 8.75 | 542 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 | Feb 27, 2013 | Feb 7, 2013 | Yes |
| 00 | Jan 15, 2013 | Aug 29, 2011 | 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 42-163-33469 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-33469 → 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.
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/16333469, documented in the API reference.