TEXAS · WELLS · ZAPATA COUNTY · GUERRA LEASE · API 42-505-33658 · DISTRICT 04
Guerra #4
Zapata County · Roleta (Wilcox Consolidated) field · Producing · Directional
Guerra #4 (API 42-505-33658) is a well in Zapata County operated by Hilcorp Energy Company, completed March 27, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 4, 1997, permitted to 9,425 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Wilcoxb2.
Its lease has reported 13.2K barrels of oil and 2.05M mcf of gas since December 1997, last reporting volume in April 2026.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Union Pacific Resources CompanySep 4, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,425
- total depth, ft
- 2
- permits on file
- Sep 4, 1997
- last permit issued
- Mar 27, 2006
- completed
- 13.2K
- cumulative oil, bbl
- 2.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 27, 2006
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Guerra G-4-168978 | Roleta (Wilcox Consolidated) | Hilcorp Energy Company | 1 | 13.2K | 2.05M | Dec 1997 – Apr 2026 |
Gas, mcf lease total
Last 12 months 14,787 · prior 12 13,164(+12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyDec 1997 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Apr 2002
- 3Legend Natural Gas, LPMay 2002 → Aug 2004
- 4Chesapeake Operating, Inc.Sep 2004 → Aug 2014
- 5Hilcorp Energy CompanySep 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 465675-98 | Drill | Union Pacific Resources Company | Oct 1, 1997 | Sep 4, 1997 | Oct 24, 1997 | 10,500 |
| 465675-99 | Drill | Union Pacific Resources Company | Jul 30, 1997 | Sep 4, 1997 | — | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 27, 2006 | Guerra G-4-168978 | Roleta (Wilcox Consolidated) | Hilcorp Energy Company | Producing | 9,425 |
Formation tops
As filed on W-2/G-1. Subsea from 324 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,834 | 7,846 | Perforated |
| 7,834 | 9,174 | Perforated |
| 8,160 | 8,176 | Perforated |
| 8,193 | 8,215 | Perforated |
| 9,158 | 9,176 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 712 | 14.75 | 410 S |
| 7.625 | 7,266 | 9.875 | 460 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 27, 2007 | Sep 21, 2006 | — |
| 00 | Mar 12, 2007 | Jul 20, 2006 | — |
| 00 | Jan 24, 2007 | May 4, 2006 | — |
| 00 | Aug 3, 1998 | Feb 25, 1998 | Yes |
| 00 | Jul 28, 1998 | — | — |
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 42-505-33658 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33658 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/50533658, documented in the API reference.