WELL · 42-131-38012 · DISTRICT 4
Frost National Bank #1ST
Duval County · Rosita (Wilcox P) field · Horizontal · Sidetrack
Frost National Bank #1ST (API 42-131-38012) is a plugged horizontal well in Duval County, plugged October 18, 2018, last operated by Rockdale Energy LLC.
The RRC has issued one drilling permit (amended once), issued January 27, 1995, permitted to 10,400 ft.
It was permitted by Shell Western E&P Inc. and has since transferred to Rockdale Energy LLC on the wellbore schedule.
Completion filings report one formation top, including Wilcox.
Operator of record
Permitted by Shell Western E&P Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Aug 6, 2021 · (832) 753-1812
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rockdale Energy LLC |
| Production reports | Enron Oil & Gas Companythrough Oct 1997 |
| Latest permit | Shell Western E&P Inc.Jan 27, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,400
- total depth, ft
- 2
- permits on file
- Jan 27, 1995
- last permit issued
- May 1, 1995
- completed
- 0
- cumulative oil, bbl
- 308K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1995 THROUGH Oct 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 1, 1995
- Shut in
- —
- Plugged
- Oct 18, 2018
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 |
|---|---|---|---|---|---|---|
| Frost National Bank G-4-154319 | Rosita (Wilcox P) | Rockdale Energy, LLC | 1 | 0 | 308K | May 1995 – Oct 2018 |
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.
- 1Shell Western E&P Inc.May 1995 → May 1997
- 2Enron Oil & Gas CompanySep 1997 → Oct 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 432327-98 | Drill · sidetrack | Shell Western E&P Inc. | Mar 29, 1995 | Jan 27, 1995 | Mar 8, 1995 | 10,400 |
| 432327-99 | Drill | Shell Western E&P Inc. | Jan 27, 1995 | Jan 27, 1995 | — | 10,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-154319 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 542 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX P | 9,443 | -8,901 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,458 | 9,681 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,304 | 14.75 | 1,212 S |
| 7.625 | 7,533 | 9.875 | 750 S |
| 3.5 | 9,681 | 6.5 | 305 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 | Sep 28, 1995 | May 26, 1995 | Yes |
| 00 | Jun 26, 1995 | — | — |
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 42-131-38012 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-38012 → 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/13138012, documented in the API reference.