WELL · 42-163-33459 · DISTRICT 1
McWilliams Heirs A #1H
Frio County · Pearsall (Austin Chalk) field · Horizontal
Mcwilliams Heirs A #1H (API 42-163-33459) is a horizontal well in Frio County operated by Virtex Operating Company Inc., completed April 6, 2011.
The RRC has issued 2 drilling permits in 2011, permitted to 12,000 ft.
Completion filings report 7 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.
Its 2 leases have reported 485K barrels of oil and 3.4M mcf of gas since May 2009, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Corpus Christ, TX · P-5 Y, filed Sep 6, 2024 · 170 permits on file · (361) 299-9790
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Virtex Operating Company Inc. |
| Production reports | Trailblazer Energy Resources,llcthrough Apr 2026 |
| Latest permit | Virtex Operating Company, Inc.Nov 3, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Nov 3, 2011
- last permit issued
- Apr 6, 2011
- completed
- 485K
- cumulative oil, bbl
- 3.4M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 6, 2011
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McWilliams Heirs A O-1-15060 | Doering Ranch (Georgetown) | Trailblazer Energy Resources,llc | 8 | 484K | 3.4M | May 2009 – Jul 2026 |
| McWilliams Heirs A O-1-15416 | Pearsall (Austin Chalk) | Virtex Operating Company, Inc. | 1 | 1.32K | 1.68K | Apr 2011 – Jul 2013 |
Gas, mcf lease total
Last 12 months 93,870 · prior 12 87,812(+7%)
Oil, barrels lease total
Last 12 months 3,759 · prior 12 5,070(-26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Virtex Operating Company, Inc.May 2009 → Aug 2023
- 2Trailblazer Energy Resources,llcSep 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 724674-99 | Recompletion | Virtex Operating Company, Inc. | Sep 21, 2011 | Nov 3, 2011 | Apr 10, 2012 | 6,500 |
| 711287-99 | Drill | Virtex Operating Company, Inc. | Mar 2, 2011 | Mar 4, 2011 | Mar 11, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15060 | — | — | — | — |
| — | — O-1-15416 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 587 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 3,160 | -2,573 |
| Olmos | 4,056 | -3,469 |
| San Miguel | 4,462 | -3,875 |
| Austin Chalk | 5,349 | -4,762 |
| PearsallPEARSALL (AUSTIN CHALK) | 5,380 | -4,793 |
| Eagle Ford | 5,769 | -5,182 |
| Buda | 5,925 | -5,338 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,728 | 10,564 | Open hole |
| 6,320 | 11,177 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,697 | 12.25 | 855 S |
| 7 | 5,728 | 8.75 | 390 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 | Jun 17, 2013 | Jul 20, 2012 | Yes |
| 00 | Jan 27, 2012 | Aug 8, 2011 | Yes |
| 00 | Nov 1, 2011 | Aug 8, 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 42-163-33459 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-33459 → 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/16333459, documented in the API reference.