WELL · 42-175-33880 · DISTRICT 2
Duke Ranch -10- #1
Goliad County · Tejas (Frio 4450) field · Vertical
Duke Ranch -10- #1 (API 42-175-33880) is a well in Goliad County operated by T-C Oil Company LLC, completed June 1, 2008.
The RRC has issued 3 drilling permits between 2006 and 2010, permitted to 7,000 ft.
It was permitted by T - C Oil Company and has since transferred to T-C Oil Company LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Lagarto, Miocene (undifferentiated), Catahoula, Frio.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by T - C Oil Company; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Oct 4, 2025 · 287 permits on file · (361) 646-9296
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | T-C Oil Company LLC |
| Production reports | T-C Oil Company, LLCthrough Apr 2026 |
| Latest permit | T - C Oil CompanyAug 16, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 3
- permits on file
- Aug 16, 2010
- last permit issued
- Jun 1, 2008
- completed
- 0
- cumulative oil, bbl
- 1.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 1, 2008
- 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 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 |
|---|---|---|---|---|---|---|
| Duke Ranch -10- G-2-220567 | Tejas (Frio 5100) | T-C Oil Company, LLC | 1 | 0 | 920K | Apr 2006 – Jul 2026 |
| Duke Ranch -10- G-2-257650 | Tejas (Frio 5000) | T-C Oil Company, LLC | 1 | 0 | 344K | Aug 2010 – Jul 2026 |
| Duke Ranch -10- G-2-237282 | Tejas (Frio 4450) | T-C Oil Company, LLC | 1 | 0 | 90.8K | Jun 2008 – Jul 2012 |
Gas, mcf lease total
Last 12 months 26,713 · prior 12 35,595(-25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1T - C Oil CompanyApr 2006 → Dec 2011
- 2T-C Oil Company, LLCJan 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 700651-99 | Recompletion | T - C Oil Company | Aug 13, 2010 | Aug 16, 2010 | Aug 3, 2010 | 5,200 |
| 663642-99 | Recompletion | T - C Oil Company | Jun 4, 2008 | Jun 21, 2008 | May 23, 2008 | 5,200 |
| 613490-99 | Drill | T - C Oil Company | Feb 2, 2006 | Feb 3, 2006 | Mar 13, 2006 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-220567 | — | — | — | — |
| — | — G-2-237282 | — | — | — | — |
| — | — G-2-257650 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 107 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lagarto | 1 | 106 |
| Lagarto | 2,150 | -2,043 |
| Miocene (undifferentiated)MIOCENE | 2,150 | -2,043 |
| Catahoula | 3,329 | -3,222 |
| Miocene (undifferentiated)MIOCENE | 3,329 | -3,222 |
| Catahoula | 3,918 | -3,811 |
| Frio | 3,918 | -3,811 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,464 | 4,471 | Perforated |
| 5,008 | 5,014 | Perforated |
| 5,243 | 5,250 | Perforated |
| 5,257 | 5,260 | Perforated |
| 5,262 | 5,266 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,049 | 12.25 | 745 S |
| 4.5 | 5,714 | 7.875 | 1,110 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 | Dec 3, 2010 | Sep 1, 2010 | Yes |
| 00 | Oct 14, 2010 | — | — |
| 00 | Sep 17, 2008 | Jul 9, 2008 | Yes |
| 00 | Aug 1, 2008 | — | — |
| 00 | Mar 6, 2007 | Apr 27, 2006 | Yes |
| 00 | Oct 31, 2006 | — | — |
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 42-175-33880 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-175-33880 → 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/17533880, documented in the API reference.