WELL · 42-409-32719 · DISTRICT 4
Jostes #4
San Patricio County · Vertical
Jostes #4 (API 42-409-32719) is a permitted well in San Patricio County filed by Mortimer Production Company; no completion report is on file yet.
The RRC has issued 3 drilling permits (amended once) between 2002 and 2013, permitted to 4,500 ft.
Completion filings report 3 formation tops, including Het 1, Frio, Vicksburg.
Its 2 leases have reported 77.3K barrels of oil and 2.49K mcf of gas since December 2002, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Jun 4, 2026 · 53 permits on file · (210) 821-6168
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Sun Exploration, Inc.through Jan 2026 |
| Latest permit | Mortimer Production CompanyAug 8, 2013 |
- 4,500
- total depth, ft
- 4
- permits on file
- Aug 8, 2013
- last permit issued
- —
- completed
- 77.3K
- cumulative oil, bbl
- 2.49K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2002 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 2 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 |
|---|---|---|---|---|---|---|
| Jostes O-4-13151 | Mathis, North (2780) | Sun Exploration, Inc. | 2 | 76.5K | 2.3K | Apr 2003 – Jul 2026 |
| Jostes O-4-13138 | Mathis, N. (4000) | Mortimer Exploration Company | 1 | 821 | 189 | Dec 2002 – Jun 2003 |
Oil, barrels lease total
Last 12 months 9 · prior 12 55(-84%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mortimer Exploration CompanyJan 2003 → Sep 2003
- 2Mortimer Production CompanyOct 2003 → Oct 2016
- 3Sun Exploration, Inc.Nov 2016 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 767639-99 | Recompletion | Mortimer Production Company | Aug 5, 2013 | Aug 8, 2013 | — | 4,400 |
| 532260-99 | Recompletion | Mortimer Exploration Company | May 22, 2003 | Jun 3, 2003 | Apr 22, 2003 | 4,500 |
| 524735-98 | Drill | Mortimer Exploration Company | Mar 19, 2003 | Oct 18, 2002 | Nov 14, 2002 | 4,500 |
| 524735-99 | Drill | Mortimer Exploration Company | Oct 18, 2002 | Oct 18, 2002 | — | 4,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13138 | — | — | — | — |
| — | — O-4-13151 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 203 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,761 | 2,764 | Perforated |
| 4,214 | 4,219 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 850 | 12.25 | 302 S |
| 4.5 | 4,400 | 7.875 | 650 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 | Jun 18, 2003 | Apr 30, 2003 | Yes |
| 00 | Jun 9, 2003 | — | — |
| 00 | May 7, 2003 | Feb 3, 2003 | Yes |
| 00 | Apr 23, 2003 | — | — |
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 42-409-32719 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-32719 → 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/40932719, documented in the API reference.