WELL · 42-479-41658 · DISTRICT 4
Zamora A #4H
Webb County · Owen (Olmos) field · Horizontal
Zamora A #4H (API 42-479-41658) is a plugged horizontal well in Webb County, plugged January 15, 2025, last operated by San Isidro Development CO L. C..
The RRC has issued one drilling permit, issued January 13, 2012, permitted to 12,500 ft.
It was permitted by Lewis Petro Properties, Inc. and has since transferred to San Isidro Development CO L. C. on the wellbore schedule.
Completion filings report 2 formation tops, including Escondido, Shale Marker.
Operator of record
San Isidro Development Co L. C.
Permitted by Lewis Petro Properties, Inc.; the EWA schedule now lists a different operator.
Sandia, TX · P-5 Y, filed May 4, 2026 · 46 permits on file · (361) 765-2450
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | San Isidro Development Co L. C. |
| Production reports | Lewis Petro Properties, Inc.through Aug 2016 |
| Latest permit | Lewis Petro Properties, Inc.Jan 13, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,500
- total depth, ft
- 1
- permits on file
- Jan 13, 2012
- last permit issued
- Apr 2, 2013
- completed
- 0
- cumulative oil, bbl
- 18.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2012 THROUGH Jan 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 2, 2013
- Shut in
- —
- Plugged
- Jan 15, 2025
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Zamora A G-4-269055 | Owen (Olmos) | San Isidro Development Co, L. C. | 1 | 0 | 18.4K | May 2012 – Jan 2025 |
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.
- 1Lewis Petro Properties, Inc.May 2012 → Aug 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 731184-99 | Drill | Lewis Petro Properties, Inc. | Jan 6, 2012 | Jan 13, 2012 | Jan 15, 2012 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-269055 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 579 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,034 | 11,240 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7.625 | 3,535 | 9.875 | 575 S |
| 4.5 | 11,395 | 6.75 | 891 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 | Oct 10, 2013 | Apr 5, 2013 | — |
| 00 | Aug 2, 2013 | Dec 12, 2012 | Yes |
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 42-479-41658 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-41658 → 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/47941658, documented in the API reference.