WELL · 42-427-31876 · DISTRICT 4
Cardenas R. R. #5
Starr County · Borosa South (4050) field · Vertical
Cardenas R. R. #5 (API 42-427-31876) is a plugged well in Starr County, plugged March 2, 1993, last operated by Mueller Engineering Corp..
The RRC has issued one drilling permit (amended once), issued May 14, 1984, permitted to 6,000 ft.
It was permitted by Ktx Management, Inc. and has since transferred to Mueller Engineering Corp. on the wellbore schedule.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Frio, Vicksburg.
Operator of record
Permitted by KTX Management, Inc.; the EWA schedule now lists a different operator.
Corpus Chrsti, TX · P-5 Y, filed May 11, 2001 · 236 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mueller Engineering Corp. |
| Production reports | none |
| Latest permit | KTX Management Co.May 14, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 2
- permits on file
- May 14, 1984
- last permit issued
- Apr 1, 1985
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1993
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 1, 1985
- Shut in
- —
- Plugged
- Mar 2, 1993
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 |
|---|---|---|---|---|---|---|
| Cardenas, R. R. O-4-10782 | Borosa, South (4050) | Mueller Engineering Corp. | 1 | 0 | 0 | Jan 1993 – Mar 1993 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 240077-98 | Drill | KTX Management, Inc. | Apr 3, 1987 | May 14, 1984 | — | 6,000 |
| 240077-99 | Drill | KTX Management Co. | Mar 26, 1984 | May 14, 1984 | May 19, 1984 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-10782 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 405 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 1 | 404 |
| Frio | 3,750 | -3,345 |
| Vicksburg | 4,460 | -4,055 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,054 | 4,060 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 618 | 12.25 | 270 S |
| 4.5 | 4,988 | 7.875 | 880 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 | Jun 21, 1985 | May 30, 1985 | — |
| 00 | Jun 16, 1985 | — | — |
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 42-427-31876 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-31876 → 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/42731876, documented in the API reference.