WELL · 42-131-37967 · DISTRICT 4
Duval County Ranch Company "K" #66
Duval County · Vertical
Duval County Ranch Company "K" #66 (API 42-131-37967) is a permitted well in Duval County filed by Sequoia Management, LLC; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1994 and 2007, permitted to 5,700 ft.
Completion filings report 3 formation tops, including Mirando, Queen City, Wilcox.
Its 3 leases have reported 450K barrels of oil and 556K mcf of gas since January 1993, last reporting in July 2026. The leases carry 22 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2009 · 10 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Texas Petroleum Investment Co.through Apr 2026 |
| Latest permit | Sequoia Management, LLCApr 18, 2007 |
- 5,700
- total depth, ft
- 4
- permits on file
- Apr 18, 2007
- last permit issued
- —
- completed
- 450K
- cumulative oil, bbl
- 556K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Duval County Ranch Co. -K- O-4-6866 | Charamousca, W. (Wilcox 2 Seg C) | Texas Petroleum Investment Co. | 14 | 266K | 344K | Jan 1993 – Jul 2026 |
| Duval County Ranch Co. -K- O-4-7036 | Charamousca, W. (Wilcox 3) | Texas Petroleum Investment Co. | 6 | 171K | 163K | Jan 1993 – Jul 2026 |
| Duval County Ranch Co. -K- O-4-12347 | Charamousca,w(wilcox 3 Seg D LO) | Texas Petroleum Investment Co. | 2 | 13.9K | 49.2K | Jun 1994 – Jul 2026 |
Oil, barrels lease total
Last 12 months 5,860 · prior 12 7,379(-21%)
Gas, mcf lease total
Last 12 months 2,209 · prior 12 2,867(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Aug 1996
- 2Southwestern Energy Prod. Co.Sep 1996 → Dec 2006
- 3Sequoia Management, LLCJan 2007 → Nov 2009
- 4Energyquest II, LLCDec 2009 → Jun 2010
- 5Texas Petroleum Investment Co.Jul 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 635394-99 | Recompletion | Sequoia Management, LLC | Mar 15, 2007 | Apr 18, 2007 | — | 5,700 |
| 482320-99 | Recompletion | Southwestern Energy Prod. Co. | Jan 28, 1999 | Jan 29, 1999 | Feb 2, 1999 | 5,680 |
| 471768-99 | Recompletion | Southwestern Energy Prod. Co. | Dec 31, 1997 | Feb 24, 1998 | Feb 17, 1998 | 5,680 |
| 427100-99 | Drill | Exxon Corp. | Aug 18, 1994 | Sep 12, 1994 | Sep 27, 1994 | 5,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-6866 | — | — | — | — |
| — | — O-4-7036 | — | — | — | — |
| — | — O-4-12347 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 401 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,250 | 5,258 | Perforated |
| 5,251 | 5,257 | Perforated |
| 5,279 | 5,285 | Perforated |
| 5,330 | 5,340 | Perforated |
| 5,330 | 5,350 | Perforated |
| 5,391 | 5,400 | Perforated |
| 5,392 | 5,400 | Perforated |
| 5,415 | 5,425 | Perforated |
| 5,416 | 5,424 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 108 | 12.25 | 640 S |
| 9.625 | 1,187 | 12.25 | 640 S |
| 8.625 | 1,187 | 12.25 | 640 S |
| 4.5 | 5,697 | 7.875 | 350 S |
| 4.5 | 5,698 | 7.875 | 350 S |
| 4.5 | 5,700 | 7.875 | 350 S |
| 9.625 | — | 12.25 | 640 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 27, 2007 | Oct 1, 2007 | — |
| 00 | Apr 22, 1999 | Feb 11, 1999 | Yes |
| 00 | Mar 15, 1999 | Mar 12, 1998 | Yes |
| 00 | Apr 23, 1998 | Mar 12, 1998 | Yes |
| 00 | Apr 8, 1998 | Jan 23, 1995 | Yes |
| 00 | Mar 20, 1995 | Jan 23, 1995 | Yes |
| 00 | Jan 30, 1995 | — | — |
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 42-131-37967 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-37967 → 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/13137967, documented in the API reference.