WELL · 42-507-32343 · DISTRICT 1
Frost National Bank #4002
Zavala County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Frost National Bank #4002 (API 42-507-32343) is a plugged horizontal well in Zavala County, plugged April 26, 1996, last operated by Oryx Energy Company.
The RRC has issued 2 drilling permits between 1990 and 1994, permitted to 10,400 ft.
Completion filings report 7 formation tops, including Midway, San Miguel, Anacacho, Austin Chalk.
Its lease has reported 17.4K barrels of oil and 22.1K mcf of gas since January 1993, last reporting in May 1996.
Operator of record
- Based in
- Dallas, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Mar 27, 1998
- Permits on file
- 1,627
- Phone
- (972) 715-4000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oryx Energy Company |
| Production reports | Oryx Energy Companythrough Nov 1995 |
| Latest permit | Oryx Energy CompanyApr 7, 1994 |
- 10,400
- total depth, ft
- 2
- permits on file
- Apr 7, 1994
- last permit issued
- Apr 30, 1994
- completed
- 17.4K
- cumulative oil, bbl
- 22.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 1996
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 30, 1994
- Shut in
- —
- Plugged
- Apr 26, 1996
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 O-1-12749 | Pearsall (Austin Chalk) | Oryx Energy Company | 1 | 17.4K | 22.1K | Jan 1993 – May 1996 |
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.
- 1Oryx Energy CompanyJan 1993 → Nov 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 422794-99 | Recompletion · sidetrack | Oryx Energy Company | Apr 7, 1994 | Apr 7, 1994 | Apr 6, 1994 | 7,000 |
| 374823-99 | Drill | Oryx Energy Company | Jun 22, 1990 | Jun 22, 1990 | Jul 9, 1990 | 10,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12749 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 637 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 2,728 | -2,091 |
| San Miguel | 5,173 | -4,536 |
| Anacacho | 5,753 | -5,116 |
| Austin Chalk | 6,073 | -5,436 |
| T/Austin Chalk | 6,073 | -5,436 |
| T/LWR Austin Chalk | 6,428 | -5,791 |
| B/Austin Chalk | 6,651 | -6,014 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,130 | 9,744 | Perforated |
| 6,130 | 10,026 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 730 | 17.5 | 610 S |
| 9.625 | 6,130 | 12.25 | 1,500 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 | Jul 19, 1994 | Jun 6, 1994 | Yes |
| 00 | Dec 19, 1990 | Oct 4, 1990 | Yes |
| 00 | Dec 14, 1990 | — | — |
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 42-507-32343 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32343 → 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/50732343, documented in the API reference.