TEXAS · WELLS · ZAPATA COUNTY · CAVAZOS LEASE · API 42-505-34332 · DISTRICT 04
Cavazos #4
Zapata County · EN Seguido (Wilcox) field · Temp Abandoned · Vertical
Cavazos #4 (API 42-505-34332) is a well in Zapata County operated by Hilcorp Energy Company, completed September 12, 2001 and listed as temp abandoned on the RRC schedule, shut in September 1, 2012.
The RRC has issued one drilling permit, issued April 25, 2001, permitted to 12,700 ft.
It was permitted by Wagner & Brown, Ltd. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 2 formation tops, including Queen City, Hinnant.
Its lease has reported 24 barrels of oil and 2.01M mcf of gas since September 2001, with no volume in the three years through April 2026.
Operator of record
Permitted by Wagner & Brown, Ltd.; 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 Aug 2012 |
| Latest permit | Wagner & Brown, Ltd.Apr 25, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,700
- total depth, ft
- 1
- permits on file
- Apr 25, 2001
- last permit issued
- Sep 12, 2001
- completed
- 24
- cumulative oil, bbl
- 2.01M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2001 THROUGH Aug 2012
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 12, 2001
- Shut in
- Sep 1, 2012
- 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 |
|---|---|---|---|---|---|---|
| Cavazos G-4-185565 | EN Seguido (Wilcox) | Hilcorp Energy Company | 1 | 24 | 2.01M | Sep 2001 – Aug 2012 |
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.
- 1Wagner & Brown, Ltd.Sep 2001 → Oct 2003
- 2Legend Natural Gas, LPNov 2003 → Aug 2004
- 3Chesapeake Operating, Inc.Sep 2004 → Aug 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 508119-99 | Drill | Wagner & Brown, Ltd. | Apr 23, 2001 | Apr 25, 2001 | Jul 2, 2001 | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 12, 2001 | Cavazos G-4-185565 | EN Seguido (Wilcox) | Hilcorp Energy Company | Temp Abandoned · shut in Sep 1, 2012 | 12,700 |
Formation tops
As filed on W-2/G-1. Subsea from 457 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,790 | -3,333 |
| Queen CityBASAL QUEEN CITY | 5,330 | -4,873 |
| Hinnant | 9,135 | -8,678 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,240 | 12,306 | Perforated |
| 12,403 | 12,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,215 | 17.5 | 830 S |
| 9.625 | 8,015 | 12.25 | 435 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 | Dec 4, 2001 | Oct 10, 2001 | Yes |
| 00 | Nov 26, 2001 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-505-34332 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-34332 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/50534332, documented in the API reference.