TEXAS · WELLS · BURLESON COUNTY · SABRINA UNIT LEASE · API 42-051-31964 · DISTRICT 03
Sabrina Unit #1
Burleson County · Giddings (Austin Chalk-3) field · NO Production · Vertical
Sabrina Unit #1 (API 42-051-31964) is a well in Burleson County operated by Wildfire Energy Operating LLC, completed November 3, 1981 and listed as no production on the RRC schedule, shut in June 1, 2025.
The RRC has issued 2 drilling permits between 1981 and 1989, permitted to 8,336 ft.
It was permitted by U. S. Operating, Inc. and has since transferred to Wildfire Energy Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Austin Chalk, Buda.
Its lease has reported 52.8K barrels of oil and 217K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by U. S. Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 24, 2025
- Permits on file
- 171
- Phone
- (832) 558-0100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wildfire Energy Operating LLC |
| Production reports | Wildfire Energy Operating LLCthrough Jan 2026 |
| Latest permit | U. S. Operating, Inc.Jul 24, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,336
- total depth, ft
- 2
- permits on file
- Jul 24, 1989
- last permit issued
- Nov 3, 1981
- completed
- 52.8K
- cumulative oil, bbl
- 217K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 3, 1981
- Shut in
- Jun 1, 2025
- 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 |
|---|---|---|---|---|---|---|
| Sabrina Unit O-3-14892 | Giddings (Austin Chalk-3) | Wildfire Energy Operating LLC | 1 | 52.8K | 217K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 787(-100%)
Gas, mcf lease total
Last 12 months 20 · prior 12 2,055(-99%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1U. S. Operating, Inc.Jan 1993 → Jul 1994
- 2Union Pacific Resources CompanyAug 1994 → Jan 2001
- 3Rme Petroleum CompanyFeb 2001 → Nov 2002
- 4Anadarko E&P Company LPDec 2002 → Dec 2012
- 5Anadarko E&P Onshore LLCJan 2013 → Jun 2017
- 6Wildhorse Resources Mngt Co, LLCJul 2017 → May 2019
- 7Chesapeake Operating, L.L.C.Jun 2019 → Feb 2023
- 8Wildfire Energy Operating LLCMar 2023 → Feb 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 361775-99 | Recompletion | U. S. Operating, Inc. | Jul 20, 1989 | Jul 24, 1989 | — | 8,336 |
| 137816-99 | Drill | U. S. Operating, Inc. | Oct 23, 1981 | Oct 23, 1981 | — | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 3, 1981 | Sabrina Unit O-3-14892 | Giddings (Austin Chalk-3) | Wildfire Energy Operating LLC | NO Production · shut in Jun 1, 2025 | 8,336 |
| Nov 3, 1981 | Sabrina Unit O-3-14892 | Giddings (Austin Chalk-3) | Wildfire Energy Operating LLC | NO Production · shut in Jun 1, 2025 | 8,336 |
Formation tops
As filed on W-2/G-1. Subsea from 237 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,695 | -7,458 |
| Buda | 8,218 | -7,981 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,697 | 7,820 | Perforated |
| 8,218 | 8,334 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 3,622 | 12.25 | 1,420 S |
| 2.375 | 7,598 | — | — |
| 5.5 | 8,335 | 7.875 | 375 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 | Nov 15, 1989 | Oct 2, 1989 | — |
| 00 | Jan 12, 1984 | Nov 25, 1981 | — |
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 42-051-31964 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-051-31964 → 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/05131964, documented in the API reference.