WELL · 42-025-32677 · DISTRICT 2
Tomasek Gas Unit #4
Bee County · Pawnee (Edwards) field · Producing · Horizontal
Tomasek Gas Unit #4 (API 42-025-32677) is a horizontal well in Bee County operated by Blackbrush O & G LLC, completed October 13, 2001 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1993 and 2001, permitted to 14,200 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Blackbrush O & G LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Queen City, Wilcox, Navarro, Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 16, 2025
- Permits on file
- 339
- Phone
- (210) 495-5577
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blackbrush O & G LLC |
| Production reports | Blackbrush O & G, LLCthrough Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Apr 17, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,200
- total depth, ft
- 2
- permits on file
- Apr 17, 2001
- last permit issued
- Oct 13, 2001
- completed
- 0
- cumulative oil, bbl
- 8.78M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 13, 2001
- Shut in
- —
- 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 |
|---|---|---|---|---|---|---|
| Tomasek Gas Unit G-2-147064 | Pawnee (Edwards) | Blackbrush O & G, LLC | 1 | 0 | 8.78M | Sep 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 75,837 · prior 12 68,949(+10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Parker & Parsley Development Co.Oct 1993 → Feb 1995
- 2Parker & Parsley Development L.PMar 1995 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Sep 2019
- 4Ensign Operating LLCOct 2019 → Sep 2022
- 5BB-Southtex, LLCOct 2022 → Aug 2024
- 6Blackbrush O & G, LLCSep 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 507612-99 | Recompletion | Pioneer Natural Res. USA, Inc. | Apr 10, 2001 | Apr 17, 2001 | Sep 26, 2001 | 14,200 |
| 414466-99 | Drill | Parker & Parsley Development Co. | Jul 30, 1993 | Jul 30, 1993 | Aug 11, 1993 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-147064 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 355 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 4,460 | -4,105 |
| Wilcox | 6,980 | -6,625 |
| Navarro | 10,530 | -10,175 |
| Austin Chalk | 12,320 | -11,965 |
| Edwards | 13,460 | -13,105 |
| Edwards | 13,544 | -13,189 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,335 | 15,071 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,800 | 14.75 | 1,880 S |
| 5.5 | 14,000 | 8.75 | 1,345 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 | Jan 28, 2004 | Nov 16, 2001 | — |
| 00 | Jan 21, 1994 | Oct 29, 1993 | Yes |
| 00 | Nov 9, 1993 | — | — |
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 42-025-32677 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-025-32677 → 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/02532677, documented in the API reference.