WELL · 42-507-30931 · DISTRICT 1
Matthews Ned #15
Zavala County · Pryor Ranch West (Olmos) field · Vertical
Matthews Ned #15 (API 42-507-30931) is a plugged well in Zavala County, plugged December 28, 2016, last operated by Williamson Operating CO..
The RRC has issued one drilling permit, issued October 31, 1977, permitted to 2,700 ft.
It was permitted by Mormac Oil & Gas CO. and has since transferred to Williamson Operating CO. on the wellbore schedule.
Operator of record
Permitted by Mormac Oil & Gas Co.; the EWA schedule now lists a different operator.
Uvalde, TX · P-5 Y, filed Aug 4, 2025 · 4 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williamson Operating Co. |
| Production reports | Williamson Operating Co.through Jun 1996 |
| Latest permit | Mormac Oil & Gas Co.Oct 31, 1977 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,700
- total depth, ft
- 1
- permits on file
- Oct 31, 1977
- last permit issued
- Jul 20, 1981
- completed
- 0
- cumulative oil, bbl
- 126K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 20, 1981
- Shut in
- —
- Plugged
- Dec 28, 2016
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Matthews, Ned O-1-5598 | Pryor Ranch, West (Elaine) | Houston Oil Fields Co. | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Matthews, Ned G-1-74934 | Pryor Ranch, West (Olmos) | Williamson Operating Co. | 1 | 0 | 126K | Jan 1993 – Dec 2016 |
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.
- 1Williamson Operating Co.Apr 1993 → Jun 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 10973-99 | Drill | Mormac Oil & Gas Co. | Oct 31, 1977 | Oct 31, 1977 | — | 2,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-74934 | — | — | — | — |
| — | — O-1-5598 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,553 | 2,630 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 177 | 12.25 | 135 S |
| 2.375 | 2,504 | — | — |
| 4.5 | 2,699 | 7.875 | 310 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 12, 1984 | Jan 23, 1978 | — |
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 42-507-30931 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-30931 → 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/50730931, documented in the API reference.