WELL · 42-507-31234 · DISTRICT 1
Pryor Ranch A #26
Zavala County · Winn-Dulce (Olmos) field · Temp Abandoned · Vertical
Pryor Ranch A #26 (API 42-507-31234) is a well in Zavala County operated by Mcday Energy Corp., completed October 13, 1979 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued September 25, 1979, permitted to 3,500 ft.
It was permitted by Sundown Drilling CO. and has since transferred to Mcday Energy Corp. on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Sundown Drilling Co.; the EWA schedule now lists a different operator.
Plano, TX · P-5 Y, filed Apr 4, 2026 · 52 permits on file · (214) 202-1064
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | McDay Energy Corp. |
| Production reports | McDay Energy Corp.through Jan 2001 |
| Latest permit | Sundown Drilling Co.Sep 25, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,500
- total depth, ft
- 1
- permits on file
- Sep 25, 1979
- last permit issued
- Oct 13, 1979
- completed
- 0
- cumulative oil, bbl
- 178K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 13, 1979
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: 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 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 |
|---|---|---|---|---|---|---|
| Pryor Ranch "A" G-1-87874 | Winn-Dulce (Olmos) | McDay Energy Corp. | 1 | 0 | 178K | Jan 1993 – Jul 2026 |
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.
- 1Winn Exploration Co., Inc.Jan 1993 → Oct 1994
- 2McDay Energy Corp.Nov 1994 → Jan 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 58895-99 | Drill | Sundown Drilling Co. | Sep 25, 1979 | Sep 25, 1979 | — | 3,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-87874 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,130 | 2,142 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 252 | 12.25 | 160 S |
| 2.375 | 2,122 | — | — |
| 4.5 | 2,877 | 7.875 | 570 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 | Apr 11, 1980 | — |
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 42-507-31234 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-31234 → 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/50731234, documented in the API reference.