WELL · 42-163-33665 · DISTRICT 1
McWillliams Heirs A #8HR
Frio County · Pearsall (Austin Chalk) field · Horizontal
Mcwillliams Heirs A #8HR (API 42-163-33665) is a horizontal well in Frio County operated by Virtex Operating Company Inc., completed February 13, 2013.
The RRC has issued 2 drilling permits between 2012 and 2013, permitted to 7,500 ft.
Completion filings report 5 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.
Its 2 leases have reported 110K barrels of oil and 254K mcf of gas since February 2013, last reporting in July 2026. The leases carry 2 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.Aug 15, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 2
- permits on file
- Aug 15, 2013
- last permit issued
- Feb 13, 2013
- completed
- 110K
- cumulative oil, bbl
- 254K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 13, 2013
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McWilliams Heirs A O-1-17799 | Briscoe Ranch (Eagleford) | Trailblazer Energy Resources,llc | 1 | 110K | 254K | Nov 2013 – Jul 2026 |
| McWillliams Heirs A O-1-17534 | Pearsall (Austin Chalk) | Virtex Operating Company, Inc. | 1 | 0 | 0 | Feb 2013 – Oct 2014 |
Gas, mcf lease total
Last 12 months 12,825 · prior 12 9,936(+29%)
Oil, barrels lease total
Last 12 months 1,355 · prior 12 2,015(-33%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Virtex Operating Company, Inc.Nov 2013 → Aug 2023
- 2Trailblazer Energy Resources,llcSep 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 768209-99 | Recompletion | Virtex Operating Company, Inc. | Aug 13, 2013 | Aug 15, 2013 | Oct 1, 2013 | 7,500 |
| 750186-99 | Drill | Virtex Operating Company, Inc. | Oct 19, 2012 | Oct 29, 2012 | Jan 1, 2013 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17534 | — | — | — | — |
| — | — O-1-17799 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 533 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 2,980 | -2,447 |
| Olmos | 4,004 | -3,471 |
| Anacacho | 4,996 | -4,463 |
| Austin Chalk | 5,402 | -4,869 |
| Eagle FordEAGLEFORD | 5,784 | -5,251 |
| Eagle FordLOWER EAGLEFORD | 5,851 | -5,318 |
| Austin Chalk | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,099 | 12,087 | Open hole |
| 6,207 | 12,207 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,809 | 12.25 | 685 S |
| 7 | 5,099 | 8.75 | 280 S |
| 4.5 | 6,079 | 6.125 | 858 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 | Oct 2, 2014 | Dec 11, 2013 | Yes |
| 00 | May 23, 2014 | May 9, 2013 | 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 42-163-33665 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-33665 → 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/16333665, documented in the API reference.