WELL · 42-505-32205 · DISTRICT 4
Cuellar Unit #1
Zapata County · Roleta (Wilcox Consolidated) field · Vertical
Cuellar Unit #1 (API 42-505-32205) is a plugged well in Zapata County, plugged September 26, 2012, last operated by Chesapeake Operating Inc..
The RRC has issued one drilling permit, issued June 2, 1986, permitted to 10,500 ft.
It was permitted by Spg Exploration, Corp. and has since transferred to Chesapeake Operating Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Queen City, Reklaw, Wilcox.
Operator of record
Permitted by SPG Exploration, Corp.; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Y, filed Jul 4, 2026 · 13,061 permits on file · (405) 935-7500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chesapeake Operating Inc. |
| Production reports | Union Pacific Resources Companythrough Jul 1996 |
| Latest permit | SPG Exploration, Corp.Jun 2, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Jun 2, 1986
- last permit issued
- Aug 17, 1986
- completed
- 0
- cumulative oil, bbl
- 41.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 17, 1986
- Shut in
- —
- Plugged
- Sep 26, 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 |
|---|---|---|---|---|---|---|
| Cuellar Unit G-4-121953 | Roleta (Wilcox Consolidated) | Chesapeake Operating, Inc. | 1 | 0 | 41.7K | Jan 1993 – Sep 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.
- 1Amax Oil & Gas Inc.Jan 1993 → Mar 1994
- 2Union Pacific Resources CompanyApr 1994 → Jul 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 302804-99 | Drill | SPG Exploration, Corp. | Aug 21, 1986 | Jun 2, 1986 | Jun 14, 1986 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-121953 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 386 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,360 | -1,974 |
| Reklaw | 4,320 | -3,934 |
| WilcoxUPPER WILCOX | 5,750 | -5,364 |
| WilcoxMIDDLE WILCOX | 6,275 | -5,889 |
| WilcoxLOWER WILCOX | 6,480 | -6,094 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,930 | 9,961 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 553 | 14.75 | 465 S |
| 7.625 | 6,948 | 9.875 | 350 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 | Nov 13, 1986 | Aug 25, 1986 | Yes |
| 00 | Oct 31, 1986 | — | — |
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 42-505-32205 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32205 → 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/50532205, documented in the API reference.