WELL · 42-355-30431 · DISTRICT 4
Shaffer K. L. NCT-1 #39
Nueces County · Luby ( F Sand Lower) field · Shut IN · Vertical
Shaffer K. L. Nct-1 #39 (API 42-355-30431) is a well in Nueces County operated by Alegre Operating Inc., completed November 4, 1992 and listed as shut in on the RRC schedule, shut in January 1, 1998.
The RRC has issued one drilling permit, issued November 9, 1992, permitted to 8,805 ft.
It was permitted by Texaco E & P Inc. and has since transferred to Alegre Operating Inc. on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Texaco E & P Inc.; the EWA schedule now lists a different operator.
- Based in
- Corpus Chrsti, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 24, 2026
- Phone
- (361) 882-2050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texaco E & P Inc. |
| Production reports | Texaco E & P Inc.through May 1993 |
| Latest permit | Texaco E & P Inc.Nov 9, 1992 |
- 8,805
- total depth, ft
- 1
- permits on file
- Nov 9, 1992
- last permit issued
- Nov 4, 1992
- completed
- 0
- cumulative oil, bbl
- 30.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 4, 1992
- Shut in
- Jan 1, 1998
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 4 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shaffer, K.L., NCT-1 G-4-143404 | Luby, North (Chapman -B-) | Alegre Operating, Inc. | 1 | 0 | 30.6K | Jan 1993 – Jul 2026 |
| Shaffer, K. L., NCT-1 O-4-7026 | Luby ( F Sand, Lower) | Alegre Operating, Inc. | 2 | 0 | 0 | Jan 1993 – Jul 2026 |
| Shaffer, K. L. NCT-1 O-4-8086 | Luby ( F Sand) | Apache Corporation | 2 | 0 | 0 | Jan 1993 – Aug 2003 |
| — G-4-55511 | — | — | 0 | 0 | 0 | — |
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.
- 1Texaco E & P Inc.Jan 1993 → May 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 405809-99 | Recompletion | Texaco E & P Inc. | Nov 9, 1992 | Nov 9, 1992 | Oct 16, 1992 | 8,805 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 4, 1992 | Shaffer K. L. NCT-1 O-4-7026 | Luby ( F Sand Lower) | Alegre Operating Inc. | Shut IN · shut in Jan 1, 1998 | 8,805 |
| Nov 2, 1992 | Shaffer K.L. NCT-1 G-4-143404 | Luby North (Chapman -B-) | Alegre Operating Inc. | Temp Abandoned · shut in Jan 1, 1998 | 8,805 |
| Jun 6, 1973 | Shaffer K. L. NCT-1 G-4-55511 | Luby ( 8600) | Texaco E & P Inc. | Not on Schedule | — |
| Jun 6, 1973 | Shaffer K. L. NCT-1 O-4-8086 | Luby ( F Sand) | Apache Corporation | Not on Schedule | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,072 | 6,080 | Perforated |
| 7,425 | 7,430 | Perforated |
| — | 7,292 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,030 | 15 | 1,025 S |
| 4.5 | 8,785 | 9.875 | 1,060 S |
| 2.875 | 8,805 | 9.875 | 1,060 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 | Jan 26, 1993 | Dec 1, 1992 | Yes |
| 00 | Jan 20, 1993 | Dec 1, 1992 | Yes |
| 00 | Jan 7, 1993 | — | — |
| 00 | Dec 14, 1992 | — | — |
| 00 | Jan 12, 1984 | Jun 26, 1973 | — |
| 00 | Jan 12, 1984 | Jun 13, 1973 | — |
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 42-355-30431 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-30431 → 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/35530431, documented in the API reference.