WELL · 42-123-32250 · DISTRICT 2
Cook Gas Unit #1
DE Witt County · Sawfish (Edwards) field · Producing · Horizontal
Cook Gas Unit #1 (API 42-123-32250) is a horizontal well in De Witt County operated by Blackbrush O & G LLC, completed October 25, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 12, 2008, permitted to 18,200 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 6 formation tops, including Wilcox, Midway, Austin Chalk, Eagle Ford.
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.Sep 12, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 18,200
- total depth, ft
- 2
- permits on file
- Sep 12, 2008
- last permit issued
- Oct 25, 2010
- completed
- 0
- cumulative oil, bbl
- 4.63M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 25, 2010
- 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 |
|---|---|---|---|---|---|---|
| Cook Gas Unit G-2-259558 | Sawfish (Edwards) | Blackbrush O & G, LLC | 1 | 0 | 4.63M | Apr 2009 – Jul 2026 |
Gas, mcf lease total
Last 12 months 64,358 · prior 12 69,904(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Oct 2010 → Sep 2019
- 2Ensign Operating LLCOct 2019 → Sep 2022
- 3BB-Southtex, LLCOct 2022 → Aug 2024
- 4Blackbrush O & G, LLCSep 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 669757-98 | Drill | Pioneer Natural Res. USA, Inc. | May 26, 2010 | Sep 12, 2008 | Nov 5, 2008 | 18,200 |
| 669757-99 | Drill | Pioneer Natural Res. USA, Inc. | Aug 25, 2008 | Sep 12, 2008 | Nov 15, 2008 | 17,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-259558 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 240 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 6,660 | -6,420 |
| Midway | 9,844 | -9,604 |
| Austin Chalk | 13,812 | -13,572 |
| Austin Chalk | 14,076 | -13,836 |
| Eagle Ford | 14,370 | -14,130 |
| Edwards | 14,541 | -14,301 |
| Austin Chalk | — | — |
| CarrizoCARRIZO / WILCOX | — | — |
| Eagle FordEAGLE FORD SHALE | — | — |
| Midway | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,934 | 17,401 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,515 | 12.25 | 950 S |
| 7 | 14,617 | 8.75 | 910 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 | Jul 27, 2012 | Jul 26, 2012 | — |
| 00 | Feb 17, 2012 | Jun 30, 2011 | — |
| 00 | Sep 2, 2011 | Mar 12, 2009 | Yes |
| 00 | Apr 18, 2011 | — | — |
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 42-123-32250 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-32250 → 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/12332250, documented in the API reference.