TEXAS · WELLS · SAN PATRICIO COUNTY · PRIDAY UNIT LEASE · API 42-409-32527 · DISTRICT 04
Priday Unit #1
San Patricio County · Geronimo (Frio Lower) field · Producing · Vertical
Priday Unit #1 (API 42-409-32527) is a well in San Patricio County operated by Proline Energy Resources Inc, completed April 12, 2006 and listed as producing on the RRC schedule, shut in July 1, 2026.
The RRC has issued one drilling permit (amended once), issued May 15, 1997, permitted to 11,000 ft.
It was permitted by Costilla Energy, Inc. and has since transferred to Proline Energy Resources Inc on the wellbore schedule.
Completion filings report 4 formation tops, including 9500 Frio, Stark, Watson, Frio.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Costilla Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Sugar Land, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 16, 2025
- Phone
- (832) 886-4420
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Proline Energy Resources Inc |
| Production reports | Proline Energy Resources Incthrough Apr 2026 |
| Latest permit | Costilla Energy, Inc.May 15, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 2
- permits on file
- May 15, 1997
- last permit issued
- Apr 12, 2006
- completed
- 0
- cumulative oil, bbl
- 1.21M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 12, 2006
- Shut in
- Jul 1, 2026
- 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 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 |
|---|---|---|---|---|---|---|
| Priday Unit G-4-164809 | Geronimo (Frio Lower) | Proline Energy Resources Inc | 1 | 0 | 1.21M | Sep 1997 – Jul 2026 |
Gas, mcf lease total
Last 12 months 21,532 · prior 12 22,880(-6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Costilla Energy, Inc.Sep 1997 → Jun 2000
- 2Dreyfus, Louis Natural Gas CorpJul 2000 → Nov 2001
- 3Dominion Oklahoma Texas E&P, IncDec 2001 → Jul 2007
- 4XTO Energy Inc.Aug 2007 → Oct 2016
- 5Vantage Operating, LLCNov 2016 → Feb 2018
- 6Proline Energy Resources IncMar 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 462484-98 | Drill | Costilla Energy, Inc. | Jul 15, 1997 | May 15, 1997 | Jul 31, 1997 | 12,000 |
| 462484-99 | Drill | Cobra Oil & Gas Corporation | May 15, 1997 | May 15, 1997 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 12, 2006 | Priday Unit G-4-164809 | Geronimo (Frio Lower) | Proline Energy Resources Inc | Producing · shut in Jul 1, 2026 | 11,000 |
Formation tops
As filed on W-2/G-1. Subsea from 24 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 9500 Frio | 9,635 | -9,611 |
| Stark | 9,780 | -9,756 |
| Watson | 10,500 | -10,476 |
| FrioLOWER FRIO | 10,728 | -10,704 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,728 | 10,924 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,500 | 14.75 | 1,469 S |
| 7.625 | 10,050 | 9.875 | 430 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 | Feb 12, 2007 | May 22, 2006 | — |
| 00 | Aug 18, 2005 | Apr 20, 2005 | — |
| 00 | Jun 3, 2003 | May 6, 2003 | — |
| 00 | Oct 28, 1997 | Oct 13, 1997 | Yes |
| 00 | Oct 22, 1997 | — | — |
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 42-409-32527 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-32527 → 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/40932527, documented in the API reference.