TEXAS · WELLS · ZAPATA COUNTY · CAVAZOS LEASE · API 42-505-34098 · DISTRICT 04
Cavazos #1
Zapata County · EN Seguido (Wilcox) field · Vertical
Cavazos #1 (API 42-505-34098) is a plugged well in Zapata County, plugged October 29, 2012, last operated by Chesapeake Operating Inc..
The RRC has issued one drilling permit, issued March 8, 2000, permitted to 16,000 ft.
It was permitted by Wagner & Brown, Ltd. and has since transferred to Chesapeake Operating Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Queen City, Wilcox.
Its lease has reported 83 barrels of oil and 3.28M mcf of gas since August 2000, 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
- Oklahoma City, OK
- P-5 status
- Delinquent (D)
- P-5 last filed
- Dec 10, 2024
- Permits on file
- 13,061
- Phone
- (405) 935-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chesapeake Operating Inc. |
| Production reports | Chesapeake Operating, Inc.through Jan 2010 |
| Latest permit | Wagner & Brown, Ltd.Mar 8, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 16,000
- total depth, ft
- 1
- permits on file
- Mar 8, 2000
- last permit issued
- Aug 11, 2000
- completed
- 83
- cumulative oil, bbl
- 3.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2000 THROUGH Jan 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 11, 2000
- Shut in
- —
- Plugged
- Oct 29, 2012
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-4-179100 | EN Seguido (Wilcox) | Chesapeake Operating, Inc. | 1 | 83 | 3.28M | Aug 2000 – Jan 2010 |
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.Aug 2000 → Oct 2003
- 2Legend Natural Gas, LPNov 2003 → Aug 2004
- 3Chesapeake Operating, Inc.Sep 2004 → Jan 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 492853-99 | Drill | Wagner & Brown, Ltd. | Mar 8, 2000 | Mar 8, 2000 | Apr 2, 2000 | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 11, 2000 | Cavazos G-4-179100 | EN Seguido (Wilcox) | Chesapeake Operating Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 457 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,695 | -3,238 |
| Queen CityBASE QUEEN CITY | 5,555 | -5,098 |
| WilcoxTOP WILCOX | 8,346 | -7,889 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,300 | 12,325 | Perforated |
| 12,425 | 12,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,224 | 17.5 | 840 S |
| 9.625 | 7,800 | 12.25 | 515 S |
| 3.5 | 12,970 | 6.5 | 635 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 | Nov 27, 2000 | Oct 2, 2000 | Yes |
| 00 | Oct 27, 2000 | — | — |
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 42-505-34098 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-34098 → 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/50534098, documented in the API reference.