WELL · 42-131-37309 · DISTRICT 4
Duval County Ranch Co. -K- #58
Duval County · Charamousca West (2200 Massive) field · Vertical
Duval County Ranch CO. -K- #58 (API 42-131-37309) is a well in Duval County operated by Southwestern Energy Prod. CO., completed April 27, 1994.
The RRC has issued 3 drilling permits between 1990 and 1998, permitted to 4,850 ft.
Completion filings report 7 formation tops, including Whitsett, Caddell, Mcelroy, Yegua.
Its 4 leases have reported 8.48K barrels of oil and 192K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Nov 7, 2014 · 726 permits on file · (877) 879-0376
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Southwestern Energy Prod. Co. |
| Production reports | Texas Petroleum Investment Co.through Apr 2026 |
| Latest permit | Southwestern Energy Prod. Co.Jan 28, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,850
- total depth, ft
- 3
- permits on file
- Jan 28, 1998
- last permit issued
- Apr 27, 1994
- completed
- 8.48K
- cumulative oil, bbl
- 192K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 27, 1994
- 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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Duval County Ranch Co. -K- G-4-167591 | Charamousca, West (2200) | Texas Petroleum Investment Co. | 1 | 0 | 114K | Mar 1998 – Jul 2026 |
| Duval County Ranch Co. -K- O-4-12377 | Charamousca, West (2200 Massive) | Southwestern Energy Prod. Co. | 1 | 7.86K | 23.3K | May 1994 – Feb 1999 |
| Duval County Ranch Co. -K- G-4-147292 | Charamousca, West (2200 Massive) | Exxon Corp. | 1 | 0 | 51.7K | Oct 1993 – May 1994 |
| Duval County Ranch Co. "K" O-4-11910 | Charamousca, West (Yegua 27) | Exxon Corp. | 1 | 624 | 3.65K | Jan 1993 – Jan 1994 |
Gas, mcf lease total
Last 12 months 576 · prior 12 556(+4%)
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 → Apr 2008
- 4Texas Petroleum Investment Co.Feb 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 472616-99 | Recompletion | Southwestern Energy Prod. Co. | Jan 26, 1998 | Jan 28, 1998 | Mar 5, 1998 | 2,200 |
| 416269-99 | Recompletion | Exxon Corp. | Sep 21, 1993 | Oct 11, 1993 | Oct 28, 1993 | 2,580 |
| 368540-99 | Drill | Exxon Corp. | Jan 11, 1990 | Feb 8, 1990 | Oct 25, 1990 | 4,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-147292 | — | — | — | — |
| — | — G-4-167591 | — | — | — | — |
| — | — O-4-11910 | — | — | — | — |
| — | — O-4-12377 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 382 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,070 | 2,080 | Perforated |
| 2,220 | 2,242 | Perforated |
| 2,685 | 2,691 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 285 | 12.25 | 250 S |
| 8.625 | 286 | 12.25 | 250 S |
| 2.875 | 3,847 | 7.875 | 1,440 S |
| 2.875 | 3,848 | 7.875 | 1,140 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 | May 27, 1998 | Apr 9, 1998 | Yes |
| 00 | Apr 28, 1998 | — | — |
| 00 | Oct 27, 1994 | Aug 31, 1994 | — |
| 00 | Sep 26, 1994 | — | — |
| 00 | Feb 8, 1994 | Dec 1, 1993 | Yes |
| 00 | Dec 6, 1993 | — | — |
| 00 | Apr 9, 1991 | Feb 27, 1991 | Yes |
| 00 | Mar 29, 1991 | — | — |
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 42-131-37309 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-37309 → 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/13137309, documented in the API reference.