WELL · 42-427-34051 · DISTRICT 4
Guerra #4
Starr County · Arroyo Los Olmos (Yegua 25) field · Vertical
Guerra #4 (API 42-427-34051) is a plugged well in Starr County, plugged May 19, 2025, last operated by Mortimer Production Company.
The RRC has issued one drilling permit, issued October 24, 2006, permitted to 6,000 ft.
Completion filings report 2 formation tops, including Jackson, Yegua.
Operator of record
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 12, 2025
- Permits on file
- 53
- Phone
- (210) 821-6168
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mortimer Production Company |
| Production reports | Mortimer Production Companythrough Aug 2015 |
| Latest permit | Mortimer Production CompanyOct 24, 2006 |
- 6,000
- total depth, ft
- 1
- permits on file
- Oct 24, 2006
- last permit issued
- Nov 25, 2006
- completed
- 0
- cumulative oil, bbl
- 102K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2006 THROUGH Apr 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 25, 2006
- Shut in
- —
- Plugged
- May 19, 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 |
|---|---|---|---|---|---|---|
| Guerra G-4-225218 | Arroyo Los Olmos (Yegua 25) | Mortimer Production Company | 1 | 0 | 102K | Nov 2006 – Apr 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.
- 1Mortimer Production CompanyFeb 2007 → Aug 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 628001-99 | Drill | Mortimer Production Company | Oct 24, 2006 | Oct 24, 2006 | Nov 6, 2006 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-225218 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 169 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,298 | 5,398 | Perforated |
| 5,472 | 5,562 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 502 | 12.25 | 160 S |
| 7 | 4,455 | 8.75 | 290 S |
| 4.5 | 6,004 | 6.125 | 15 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 9, 2007 | Mar 8, 2007 | Yes |
| 00 | Mar 13, 2007 | — | — |
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 42-427-34051 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34051 → 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/42734051, documented in the API reference.