WELL · 42-507-31713 · DISTRICT 1
Matthews #4013
Zavala County · Sundown-Lucas P. (San Mig. 1800) field · Vertical
Matthews #4013 (API 42-507-31713) is a plugged well in Zavala County, plugged February 16, 1995, last operated by Spiller Robert S..
The RRC has issued 2 drilling permits between 1982 and 1994, permitted to 3,500 ft.
Completion filings report 5 formation tops, including Wilcox, Excondido, Escondido, San Miguel.
Operator of record
San Antonio, TX · P-5 Y, filed Aug 5, 1995 · 209 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Spiller Robert S. |
| Production reports | Spiller, Robert S.through Feb 1995 |
| Latest permit | Spiller, Robert S.Jan 11, 1994 |
- 3,500
- total depth, ft
- 2
- permits on file
- Jan 11, 1994
- last permit issued
- Jul 23, 1982
- completed
- 0
- cumulative oil, bbl
- 7.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 1995
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 23, 1982
- Shut in
- —
- Plugged
- Feb 16, 1995
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Matthews G-1-148496 | Sundown-Lucas P. (Anacacho) | Spiller, Robert S. | 1 | 0 | 7.73K | Jan 1994 – Feb 1995 |
| Matthews G-1-101632 | Sundown-Lucas P. (San Mig. 1800) | Spiller, Robert S. | 1 | 0 | 65 | Jan 1993 – Feb 1994 |
| Matthews G-1-101772 | Sundown-Lucas P. (Escondido) | Spiller, Robert S. | 1 | 0 | 0 | Jan 1993 – Feb 1994 |
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.
- 1Spiller, Robert S.Jan 1993 → Feb 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 419975-99 | Recompletion | Spiller, Robert S. | Jan 7, 1994 | Jan 11, 1994 | Jan 3, 1994 | 1,975 |
| 163938-99 | Drill | Sundown Energy Co. Inc | Jun 16, 1982 | Jun 16, 1982 | — | 3,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-101632 | — | — | — | — |
| — | — G-1-101772 | — | — | — | — |
| — | — G-1-148496 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 780 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxBASE OF WILCOX | 970 | -190 |
| Excondido | 1,095 | -315 |
| EscondidoESCONDIDO A | 1,380 | -600 |
| EscondidoESCONDIDO A | 1,410 | -630 |
| San Miguel | 1,642 | -862 |
| Anacacho | 1,795 | -1,015 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,410 | 1,430 | Perforated |
| 1,420 | 1,786 | Perforated |
| 1,804 | 1,810 | Perforated |
| 1,822 | 1,832 | Perforated |
| 1,846 | 1,853 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 485 | 12.25 | 320 S |
| 8.625 | 485 | 12.5 | 320 S |
| 8.625 | 485 | — | 320 S |
| 2.875 | 1,730 | — | — |
| 4.5 | 2,120 | 7.875 | 485 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 | May 19, 1994 | Feb 23, 1994 | Yes |
| 00 | Mar 29, 1994 | — | — |
| 00 | Sep 16, 1991 | Jul 3, 1991 | — |
| 00 | Jan 12, 1984 | Sep 29, 1982 | — |
| 00 | Jan 12, 1984 | Aug 19, 1982 | — |
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 42-507-31713 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-31713 → 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/50731713, documented in the API reference.