WELL · 42-055-02551 · DISTRICT 1
Blackwell S. M. #4
Caldwell County · Luling-Branyon field · Vertical
Blackwell S. M. #4 (API 42-055-02551) is a well in Caldwell County operated by Bastrop Energy Group, completed March 25, 1979.
The RRC has issued one drilling permit, issued December 13, 2023, permitted to 2,400 ft.
Completion filings report 2 formation tops, including Buda, Edwards.
Its 2 leases have reported 651 barrels of oil since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Aug 4, 2025 · 24 permits on file · (210) 492-3096
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bastrop Energy Group |
| Production reports | Bastrop Energy Groupthrough Apr 2026 |
| Latest permit | Bastrop Energy GroupDec 13, 2023 |
- 2,400
- total depth, ft
- 1
- permits on file
- Dec 13, 2023
- last permit issued
- Mar 25, 1979
- completed
- 651
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 25, 1979
- 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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blackwell, S. M. O-1-2477 | Luling (Edwards) | Bastrop Energy Group | 2 | 107 | 0 | Jan 1993 – Jul 2026 |
| Blackwell, S.M. -B- O-1-8489 | Luling-Branyon | Bastrop Energy Group | 1 | 544 | 0 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 107 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sotol Energy, Inc.Sep 2012 → Jun 2018
- 2Bastrop Energy GroupMar 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 895259-99 | Recompletion | Bastrop Energy Group | Nov 12, 2023 | Dec 13, 2023 | — | 2,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-2477 | — | — | — | — |
| — | — O-1-8489 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 487 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,215 | 2,243 | Perforated |
| 2,340 | 2,365 | Open hole |
| — | 2,243 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 102 | 12.25 | 60 S |
| 8.625 | 102 | — | — |
| 5.5 | 2,215 | 7.875 | 310 S |
| 5.5 | 2,215 | — | — |
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 | Apr 8, 2026 | Mar 22, 2026 | Yes |
| 00 | Jan 12, 1984 | Sep 7, 1979 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-055-02551 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-055-02551 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000106388 | H-1 Injection | Canceled Jan 16, 2013 | 4,000 | 1,200 | 2,215–2,243 |
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/05502551, documented in the API reference.