WELL · 42-427-33867 · DISTRICT 4
Guerra R.R. #1
Starr County · Pedernal (Queen City) field · Producing · Vertical
Guerra R.R. #1 (API 42-427-33867) is a well in Starr County operated by Mortimer Production Company, completed July 31, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 3, 2005, permitted to 7,300 ft.
It was permitted by Bommer Engineering CO. and has since transferred to Mortimer Production Company on the wellbore schedule.
Completion filings report one formation top, including Queen City.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Bommer Engineering Co.; the EWA schedule now lists a different operator.
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 | Mortimer Production Company |
| Production reports | Mortimer Production Companythrough Apr 2026 |
| Latest permit | Bommer Engineering Co.Aug 3, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,300
- total depth, ft
- 1
- permits on file
- Aug 3, 2005
- last permit issued
- Jul 31, 2006
- completed
- 0
- cumulative oil, bbl
- 621K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 31, 2006
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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, R.R. G-4-219301 | Pedernal (Queen City) | Mortimer Production Company | 1 | 0 | 621K | Aug 2005 – Jul 2026 |
Gas, mcf lease total
Last 12 months 12,426 · prior 12 14,230(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bommer Engineering Co.Jul 2006 → Apr 2007
- 2Mortimer Production CompanyMay 2007 → Apr 2026
- 3Rlu Operating, LLCApr 2009 → Dec 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 604294-99 | Drill | Bommer Engineering Co. | Aug 2, 2005 | Aug 3, 2005 | Aug 9, 2005 | 7,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-219301 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 395 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 6,280 | -5,885 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,247 | 6,366 | Perforated |
| 6,247 | 6,640 | Perforated |
| 6,280 | 6,286 | Perforated |
| 6,280 | 6,480 | Perforated |
| 6,302 | 6,308 | Perforated |
| 6,302 | 6,516 | Perforated |
| 6,324 | 6,328 | Perforated |
| 6,324 | 6,614 | Perforated |
| 6,386 | 6,480 | Perforated |
| 6,474 | 6,480 | Perforated |
| 6,496 | 6,516 | Perforated |
| 6,574 | 6,614 | Perforated |
| 6,628 | 6,640 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 906 | 12.25 | 565 S |
| 7 | 5,550 | 10 | 230 S |
| 4.5 | 7,022 | 10 | 370 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 | Mar 13, 2007 | Aug 31, 2006 | — |
| 00 | Feb 6, 2007 | May 16, 2006 | Yes |
| 00 | Sep 25, 2006 | — | — |
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 42-427-33867 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33867 → 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/42733867, documented in the API reference.