WELL · 42-175-33921 · DISTRICT 2
Duke Ranch -M- #4
Goliad County · Tejas (Frio 5400) field · Vertical
Duke Ranch -M- #4 (API 42-175-33921) is a plugged well in Goliad County, plugged August 21, 2009, last operated by T - C Oil Company.
The RRC has issued one drilling permit, issued May 12, 2006, permitted to 6,000 ft.
Completion filings report 4 formation tops, including Lagarto, Miocene (undifferentiated), Catahoula, Frio.
Its 2 leases have reported 3.08K barrels of oil and 162K mcf of gas since June 2006, last reporting in October 2009. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Refugio, TX · P-5 Y, filed Aug 2, 2013 · 1,009 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | T - C Oil Company |
| Production reports | T - C Oil Companythrough Jun 2009 |
| Latest permit | T - C Oil CompanyMay 12, 2006 |
- 6,000
- total depth, ft
- 1
- permits on file
- May 12, 2006
- last permit issued
- Feb 21, 2007
- completed
- 3.08K
- cumulative oil, bbl
- 162K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2006 THROUGH Oct 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 21, 2007
- Shut in
- —
- Plugged
- Aug 21, 2009
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Duke Ranch -M- O-2-9131 | Tejas (Frio 5400) | T - C Oil Company | 1 | 3.08K | 149K | Mar 2007 – Oct 2009 |
| Duke Ranch -M- G-2-221040 | Tejas (Frio 5400) | T - C Oil Company | 1 | 0 | 12.7K | Jun 2006 – Oct 2007 |
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.
- 1T - C Oil CompanyJun 2006 → Jun 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 619029-99 | Drill | T - C Oil Company | May 10, 2006 | May 12, 2006 | May 11, 2006 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-221040 | — | — | — | — |
| — | — O-2-9131 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 105 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lagarto | 1 | 104 |
| Miocene (undifferentiated)MIOCENE | 2,090 | -1,985 |
| Catahoula | 3,365 | -3,260 |
| Frio | 3,875 | -3,770 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,398 | 5,402 | Perforated |
| 5,467 | 5,469 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,034 | 12.25 | 727 S |
| 4.5 | 5,719 | 7.875 | 1,180 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 | Nov 12, 2007 | Apr 10, 2007 | — |
| 00 | Jun 7, 2007 | — | — |
| 00 | Mar 7, 2007 | Jul 7, 2006 | Yes |
| 00 | Nov 9, 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 42-175-33921 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-175-33921 → 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/17533921, documented in the API reference.