WELL · 42-173-32328 · DISTRICT 8
Blalock A #3
Glasscock County · Blalock (Wolfcamp) field · Vertical
Blalock A #3 (API 42-173-32328) is a well in Glasscock County operated by Cog Operating LLC, completed July 7, 1993.
The RRC has issued one drilling permit, issued May 27, 1993, permitted to 11,500 ft.
It was permitted by Thompson, J. Cleo and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including San Andres, Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 92.3K barrels of oil and 233K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Thompson, J. Cleo; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Jul 2019 |
| Latest permit | Thompson, J. CleoMay 27, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- May 27, 1993
- last permit issued
- Jul 7, 1993
- completed
- 92.3K
- cumulative oil, bbl
- 233K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 7, 1993
- 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blalock "A" O-10-52957 | Spraberry (Trend Area) | COG Operating LLC | 1 | 0 | 0 | Dec 2019 – Jul 2026 |
| Blalock "A" O-10-33486 | Blalock (Wolfcamp) | COG Operating LLC | 3 | 92.3K | 233K | Jan 1993 – May 2020 |
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.
- 1Thompson, J. CleoJan 1993 → Jul 2015
- 2RSP Permian, LLCAug 2015 → Jul 2018
- 3COG Operating LLCAug 2018 → Jul 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 412141-99 | Drill | Thompson, J. Cleo | May 26, 1993 | May 27, 1993 | Jun 14, 1993 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-33486 | — | — | — | — |
| — | — O-10-52957 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,562 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,415 | 8,530 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 295 | 17.5 | 325 S |
| 8.625 | 3,735 | 11 | 1,230 S |
| 4.5 | 8,800 | 7.875 | 560 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 | Feb 21, 2020 | Feb 4, 2020 | — |
| 00 | Feb 20, 2020 | Feb 4, 2020 | — |
| 00 | Aug 13, 1993 | Jul 19, 1993 | Yes |
| 00 | Jul 26, 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 42-173-32328 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-32328 → 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/17332328, documented in the API reference.