WELL · 42-427-33125 · DISTRICT 4
Guerra A. A #12
Starr County · LA Reforma (Vicksburg W4) field · Vertical
Guerra A. A #12 (API 42-427-33125) is a well in Starr County operated by Wynn-Crosby Energy Inc., completed November 9, 1998.
The RRC has issued 3 drilling permits between 1998 and 2004, permitted to 9,500 ft.
Completion filings report 6 formation tops, including D-1, W-4, V-4, V-5.
Its 3 leases have reported 9.64K barrels of oil and 107K mcf of gas since October 1998, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Nov 5, 2004 · 117 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wynn-Crosby Energy Inc. |
| Production reports | White Oak Operating Company LLCthrough Jun 2016 |
| Latest permit | Wynn-Crosby Energy, Inc.Jul 14, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 3
- permits on file
- Jul 14, 2004
- last permit issued
- Nov 9, 1998
- completed
- 9.64K
- cumulative oil, bbl
- 107K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 9, 1998
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Guerra, a "A" O-4-13244 | LA Reforma (D-1) | Orx Resources, L.L.C. | 1 | 7.8K | 19.8K | Jun 2004 – Jul 2026 |
| Guerra, A. "A" O-4-13081 | LA Reforma (L) | Wynn-Crosby Energy, Inc. | 1 | 1.84K | 37.5K | Apr 2002 – Dec 2004 |
| Guerra, A. "A" G-4-171996 | LA Reforma (Vicksburg W4) | Wynn-Crosby Energy, Inc. | 1 | 0 | 49.3K | Oct 1998 – Apr 2002 |
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.
- 1Tesoro E&P Company, L.P.Oct 1998 → Nov 1998
- 2Wynn-Crosby Energy, Inc.Dec 1998 → May 2005
- 3Petrohawk Operating CompanyJun 2005 → Nov 2007
- 4Milagro Exploration, LLCDec 2007 → Jul 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 548217-99 | Recompletion | Wynn-Crosby Energy, Inc. | Jul 14, 2004 | Jul 14, 2004 | Jun 21, 2004 | 9,250 |
| 518776-99 | Recompletion | Wynn-Crosby Energy, Inc. | Apr 3, 2002 | Apr 3, 2002 | Apr 4, 2002 | 7,480 |
| 478761-99 | Drill | Tesoro E&P Company, L.P. | Aug 17, 1998 | Aug 17, 1998 | Aug 28, 1998 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-171996 | — | — | — | — |
| — | — O-4-13081 | — | — | — | — |
| — | — O-4-13244 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 253 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| D-1 | 6,300 | -6,047 |
| W-4 | 7,500 | -7,247 |
| V-4 | 8,210 | -7,957 |
| V-5 | 8,388 | -8,135 |
| V9 | 8,970 | -8,717 |
| V10 | 9,020 | -8,767 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,360 | 6,452 | Perforated |
| 6,868 | 6,874 | Perforated |
| 7,742 | 7,748 | Perforated |
| 7,976 | 7,983 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,350 | 14.75 | 735 S |
| 7.625 | 7,500 | 9.875 | 767 S |
| 2.875 | 9,250 | 6.75 | 445 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 | Sep 9, 2004 | Jul 14, 2004 | Yes |
| 00 | Aug 11, 2004 | — | — |
| 00 | Jun 17, 2002 | Apr 30, 2002 | Yes |
| 00 | May 15, 2002 | — | — |
| 00 | Mar 23, 1999 | Nov 24, 1998 | Yes |
| 00 | Mar 8, 1999 | — | — |
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 42-427-33125 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33125 → 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/42733125, documented in the API reference.