WELL · 42-131-31510 · DISTRICT 4
Duval County Ranch Co. -K- #44
Duval County · Charamousca W. (Wilcox 2 Seg C) field · Shut IN · Vertical
Duval County Ranch CO. -K- #44 (API 42-131-31510) is a well in Duval County operated by Texas Petroleum Investment CO., completed May 15, 2024 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued July 13, 1988, permitted to 5,500 ft.
It was permitted by Exxon Corp. and has since transferred to Texas Petroleum Investment CO. on the wellbore schedule.
Completion filings report 3 formation tops, including Yegua, 2200 Sand, Cook Mountain.
Its lease has reported 266K barrels of oil and 344K mcf of gas since January 1993, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Texas Petroleum Investment Co.
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 1, 2025
- Permits on file
- 233
- Phone
- (713) 789-9225
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas Petroleum Investment Co. |
| Production reports | Texas Petroleum Investment Co.through Apr 2026 |
| Latest permit | Exxon Corp.Jul 13, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 1
- permits on file
- Jul 13, 1988
- last permit issued
- May 15, 2024
- completed
- 266K
- cumulative oil, bbl
- 344K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 15, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 lease this well is completed on; they carry 14 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 |
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 → Feb 2006
- 3Sequoia Management, LLCMay 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 |
|---|---|---|---|---|---|---|
| 348668-99 | Recompletion | Exxon Corp. | Jul 8, 1988 | Jul 13, 1988 | — | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-6866 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 419 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 1,700 | -1,281 |
| 2200 Sand | 2,140 | -1,721 |
| Cook Mountain | 2,420 | -2,001 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,150 | 2,436 | Perforated |
| 2,418 | 2,434 | Perforated |
| 3,204 | 3,214 | Perforated |
| 5,393 | 5,408 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,024 | 12.25 | 490 S |
| 5.5 | 5,476 | 7.875 | 570 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 15, 2025 | May 20, 2024 | — |
| 00 | Jan 7, 1994 | Oct 20, 1993 | — |
| 00 | Apr 19, 1989 | Feb 15, 1989 | Yes |
| 00 | Jan 12, 1984 | Sep 3, 1975 | — |
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 42-131-31510 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-31510 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 3.77M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000071124 | H-1 Injection | Active | 5,000 | 800 | 1,600–2,450 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/13131510, documented in the API reference.