WELL · 42-255-37505 · DISTRICT 2
Blackwell-E-R-E (SA) F4 #F 4H
Karnes County · Sugarkane (Austin Chalk) field · SWR-10-Well · Horizontal
Blackwell-E-R-E (SA) F4 #F 4H (API 42-255-37505) is a horizontal well in Karnes County operated by Repsol Oil & Gas USA LLC, completed May 4, 2023 and listed as swr-10-well on the RRC schedule.
The RRC has issued one drilling permit, issued July 28, 2022, permitted to 14,500 ft.
Completion filings report 10 formation tops, including Queen City, Reklaw, Wilcox, Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
The Woodlands, TX · P-5 Y, filed Jan 5, 2026 · 189 permits on file · (832) 463-3646
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Repsol Oil & Gas USA LLC |
| Production reports | Repsol Oil & Gas USA, LLCthrough Apr 2026 |
| Latest permit | Repsol Oil & Gas USA, LLCJul 28, 2022 |
- 14,500
- total depth, ft
- 1
- permits on file
- Jul 28, 2022
- last permit issued
- May 4, 2023
- completed
- 0
- cumulative oil, bbl
- 2.33M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 4, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.916166, -97.674736
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes County.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blackwell-E-R-E (SA) F4 G-2-295758 | Sugarkane (Eagle Ford) | Repsol Oil & Gas USA, LLC | 1 | 0 | 2.33M | May 2023 – Jul 2026 |
| Blackwell-E-R-E (SA) F4 G-2-295761 | Sugarkane (Austin Chalk) | Repsol Oil & Gas USA, LLC | 1 | 0 | 0 | May 2023 – Jul 2026 |
Gas, mcf lease total
Last 12 months 308,850 · prior 12 477,273(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Repsol Oil & Gas USA, LLCMay 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 880515-99 | Drill | Repsol Oil & Gas USA, LLC | May 24, 2022 | Jul 28, 2022 | Oct 16, 2022 | 14,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-295758 | — | — | — | — |
| — | — G-2-295761 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 379 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 5,126 | -4,747 |
| Reklaw | 6,101 | -5,722 |
| WilcoxWILCOX - DISPOSAL | 6,299 | -5,920 |
| Austin ChalkAUSTIN CHALK - H2S | 13,200 | -12,821 |
| Eagle FordEAGLE FORD - H2S | 13,320 | -12,941 |
| Carrizo | — | — |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| SligoSLIGO - H2S | — | — |
| YeguaYEGUA - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,465 | 16,270 | Perforated |
| 13,465 | 22,793 | Perforated |
| 16,271 | 16,827 | Perforated |
| 16,828 | 17,110 | Perforated |
| 17,111 | 18,788 | Perforated |
| 18,789 | 19,378 | Perforated |
| 19,379 | 20,267 | Perforated |
| 20,268 | 20,382 | Perforated |
| 20,383 | 22,793 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,092 | 17.5 | 589 S |
| 9.625 | 9,535 | 12.25 | 2,142 S |
| 5.5 | 22,862 | 8.5 | 3,221 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 | Mar 28, 2025 | Mar 5, 2025 | Yes |
| 00 | Oct 24, 2024 | Oct 10, 2024 | — |
| 00 | Oct 17, 2023 | Sep 11, 2023 | — |
| 00 | Oct 16, 2023 | Sep 11, 2023 | Yes |
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 42-255-37505 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37505 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Blackwell-E-R-E (SA) F542-255-37506
0.0 KM · Repsol Oil & Gas USA, LLC · Section with this well →
| Queen City | 5,100 | -4,721 |
| Reklaw | 6,116 | -5,737 |
| Wilcox | 6,309 | -5,930 |
| Austin Chalk | 13,184 | -12,805 |
| Eagle Ford | 13,416 | -13,037 |
| Sligo | — | |
| Yegua | — | |
| Frio | — |
10 TOPS · FIRST 8
Blackwell-Eyhorn-Ruppert (SA) F342-255-37504
0.0 KM · Repsol Oil & Gas USA, LLC · Section with this well →
| Queen City | 5,124 | -4,745 |
| Reklaw | 6,077 | -5,698 |
| Wilcox | 6,298 | -5,919 |
| Austin Chalk | 13,223 | -12,844 |
| Eagle Ford | 13,475 | -13,096 |
| Yegua | — | |
| Carrizo | — | |
| Edwards | — |
10 TOPS · FIRST 8
Blackwell-Eyhorn-Ruppert (SA) F242-255-37503
0.0 KM · Repsol Oil & Gas USA, LLC · Section with this well →
| Queen City | 5,144 | -4,765 |
| Reklaw | 6,100 | -5,721 |
| Wilcox | 6,297 | -5,918 |
| Austin Chalk | 13,226 | -12,847 |
| Eagle Ford | 13,474 | -13,095 |
| Yegua | — | |
| Frio | — | |
| Carrizo | — |
10 TOPS · FIRST 8
Blackwell-Eyhorn-Ruppert (SA) F142-255-37502
0.0 KM · Repsol Oil & Gas USA, LLC · Section with this well →
| Queen City | 5,118 | -4,740 |
| Reklaw | 6,096 | -5,718 |
| Wilcox | 6,292 | -5,914 |
| Austin Chalk | 13,230 | -12,852 |
| Eagle Ford | 13,459 | -13,081 |
| Carrizo | — | |
| Yegua | — | |
| Sligo | — |
10 TOPS · FIRST 8
Kirk 0142-255-37761
0.2 KM · Marathon Oil EF LLC · Section with this well →
| Sparta | 2,890 | -2,502 |
| Queen City | 4,834 | -4,446 |
| Reklaw | 5,320 | -4,932 |
| Carrizo | 6,222 | -5,834 |
| Wilcox | 6,431 | -6,043 |
| Anacacho | 13,165 | -12,777 |
| Austin Chalk | 13,165 | -12,777 |
| Eagle Ford | 13,233 | -12,845 |
12 TOPS · FIRST 8
Kirk 0142-255-37763
0.3 KM · Marathon Oil EF LLC · Section with this well →
| Sparta | 2,890 | -2,502 |
| Queen City | 4,834 | -4,446 |
| Reklaw | 5,320 | -4,932 |
| Carrizo | 6,222 | -5,834 |
| Wilcox | 6,431 | -6,043 |
| Anacacho | 13,176 | -12,788 |
| Austin Chalk | 13,214 | -12,826 |
| Eagle Ford | 13,457 | -13,069 |
12 TOPS · FIRST 8
Kirk 0142-255-37760
0.3 KM · Marathon Oil EF LLC · Section with this well →
| Sparta | 2,890 | -2,502 |
| Queen City | 4,834 | -4,446 |
| Reklaw | 5,320 | -4,932 |
| Carrizo | 6,222 | -5,834 |
| Wilcox | 6,431 | -6,043 |
| Anacacho | 13,141 | -12,753 |
| Austin Chalk | 13,201 | -12,813 |
| Eagle Ford | 13,438 | -13,050 |
10 TOPS · FIRST 8
Kirk 0142-255-37762
0.3 KM · Marathon Oil EF LLC · Section with this well →
| Sparta | 2,890 | -2,502 |
| Queen City | 4,834 | -4,446 |
| Reklaw | 5,320 | -4,932 |
| Carrizo | 6,222 | -5,834 |
| Wilcox | 6,431 | -6,043 |
| Anacacho | 13,163 | -12,775 |
| Austin Chalk | 13,201 | -12,813 |
| Eagle Ford | 13,445 | -13,057 |
12 TOPS · FIRST 8
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
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