WELL · 42-355-33590 · DISTRICT 4
St 49 Permanent Unit #8
Nueces County · Encinal Channel (FB-a M-3) field · SWR-10-Well · Vertical
ST 49 Permanent Unit #8 (API 42-355-33590) is a well in Nueces County operated by White Marlin Operating CO LLC, completed June 19, 2016 and listed as swr-10-well on the RRC schedule.
The RRC has issued 3 drilling permits between 2003 and 2016, permitted to 10,600 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Nov 4, 2025 · 32 permits on file · (713) 935-2325
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | White Marlin Operating Co LLC |
| Production reports | White Marlin Operating Co, LLCthrough Oct 2019 |
| Latest permit | White Marlin Operating Co, LLCMar 11, 2016 |
- 10,600
- total depth, ft
- 3
- permits on file
- Mar 11, 2016
- last permit issued
- Jun 19, 2016
- completed
- 0
- cumulative oil, bbl
- 5.68M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 19, 2016
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 3 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 |
|---|---|---|---|---|---|---|
| TSL 33100/ TR 49/ G-4-200108 | Encinal Channel (FB-3B, M-4) | White Marlin Operating Co, LLC | 1 | 0 | 5.02M | Dec 2003 – Jul 2026 |
| St 49 Permanent Unit G-4-221667 | Encinal Channel (FB-a, M-2) | White Marlin Operating Co, LLC | 1 | 0 | 656K | Jun 2006 – Jul 2026 |
| St 49 Permanent Unit G-4-280148 | Encinal Channel (FB-a, M-3) | White Marlin Operating Co, LLC | 1 | 0 | 0 | Jun 2016 – Jul 2026 |
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.
- 1Sabco Operating CompanyJan 2004 → Oct 2011
- 2Sabco Operating Company, LLCNov 2011 → Jul 2013
- 3White Marlin Operating Co, LLCMar 2014 → Oct 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 814267-99 | Recompletion | White Marlin Operating Co, LLC | Mar 8, 2016 | Mar 11, 2016 | Jun 16, 2016 | 10,600 |
| 618508-99 | Recompletion | Sabco Operating Company | May 1, 2006 | May 1, 2006 | Jun 20, 2006 | 10,600 |
| 538250-99 | Drill | Sabco Operating Company | Nov 5, 2003 | Nov 6, 2003 | Nov 23, 2003 | 10,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-200108 | — | — | — | — |
| — | — G-4-221667 | — | — | — | — |
| — | — G-4-280148 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 33 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 1,000 | -967 |
| Anahuac | 1,500 | -1,467 |
| Frio | 8,000 | -7,967 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,920 | 9,926 | Perforated |
| 9,920 | 9,956 | Perforated |
| 9,934 | 9,956 | Perforated |
| 10,106 | 10,134 | Perforated |
| 10,438 | 10,474 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,000 | 14.75 | — |
| 7.625 | 9,350 | 9.875 | — |
| 5 | 10,600 | 6.75 | — |
| 5 | 10,620 | 6.75 | 185 S |
| 5 | 10,620 | 6.5 | — |
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 | Nov 15, 2016 | Nov 7, 2016 | — |
| 00 | Jun 23, 2016 | Jun 21, 2016 | — |
| 00 | Mar 8, 2007 | Aug 14, 2006 | Yes |
| 00 | Nov 16, 2006 | — | — |
| 00 | Apr 26, 2004 | Feb 4, 2004 | Yes |
| 00 | Mar 31, 2004 | — | — |
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 42-355-33590 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-33590 → 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/35533590, documented in the API reference.