WELL · 42-505-33508 · DISTRICT 4
Sanchez et al G.U. #1
Zapata County · Cumpleanos (C-1) field · Vertical
Sanchez ET AL G.U. #1 (API 42-505-33508) is a plugged well in Zapata County, plugged December 30, 1998, last operated by Choctaw II Oil & Gas Ltd..
The RRC has issued one drilling permit (amended once), issued November 15, 1996, permitted to 13,500 ft.
It was permitted by Mustang Oil & Gas Corporation and has since transferred to Choctaw II Oil & Gas Ltd. on the wellbore schedule.
Completion filings report 2 formation tops, including Queen City, Wilcox.
Operator of record
Permitted by Mustang Oil & Gas Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 3, 2002 · 5 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Choctaw II Oil & Gas Ltd. |
| Production reports | Choctaw II Oil & Gas, Ltd.through May 1998 |
| Latest permit | Mustang Oil & Gas CorporationNov 15, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,500
- total depth, ft
- 2
- permits on file
- Nov 15, 1996
- last permit issued
- Aug 12, 1997
- completed
- 0
- cumulative oil, bbl
- 1.25K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1997 THROUGH Dec 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 12, 1997
- Shut in
- —
- Plugged
- Dec 30, 1998
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 |
|---|---|---|---|---|---|---|
| Sanchez et al G.U. G-4-166551 | Cumpleanos (C-1) | Choctaw II Oil & Gas, Ltd. | 1 | 0 | 1.25K | Aug 1997 – Dec 1998 |
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.
- 1Mustang Oil & Gas CorporationSep 1997 → Feb 1998
- 2Choctaw II Oil & Gas, Ltd.Apr 1998 → May 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 454929-98 | Drill | Mustang Oil & Gas Corporation | Dec 3, 1997 | Nov 15, 1996 | — | 13,500 |
| 454929-99 | Drill | Mustang Oil & Gas Corporation | Nov 8, 1996 | Nov 15, 1996 | Nov 20, 1996 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-166551 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 425 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,600 | -3,175 |
| Wilcox | 8,660 | -8,235 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,827 | 9,838 | Perforated |
| 9,856 | 9,866 | Perforated |
| 10,612 | 10,636 | Perforated |
| 10,697 | 10,707 | Perforated |
| 11,192 | 11,198 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 990 | 17.5 | 795 S |
| 9.625 | 6,638 | 12.25 | 920 S |
| 5 | 12,569 | 8.5 | 1,425 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 | Feb 23, 1998 | Aug 27, 1997 | Yes |
| 00 | Feb 18, 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 42-505-33508 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33508 → 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/50533508, documented in the API reference.