WELL · 42-133-35575 · DISTRICT 7
Wallenberg V. 490 #1
Eastland County · D.R.S. (Lake Sand) field · Temp Abandoned · Vertical
Wallenberg V. 490 #1 (API 42-133-35575) is a well in Eastland County operated by Sterling Oil And Gas, completed April 3, 1984 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued December 22, 1983, permitted to 4,300 ft.
It was permitted by Enre Corp. and has since transferred to Sterling Oil And Gas on the wellbore schedule.
Completion filings report 5 formation tops, including Caddo, Lake Sand, Conglomerate, Duffer.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Enre Corp.; the EWA schedule now lists a different operator.
Weatherford, TX · P-5 Y, filed Mar 4, 2026 · (940) 452-1811
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sterling Oil and Gas |
| Production reports | Okreek Oil Companythrough Jun 1993 |
| Latest permit | Enre Corp.Dec 22, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,300
- total depth, ft
- 1
- permits on file
- Dec 22, 1983
- last permit issued
- Apr 3, 1984
- completed
- 0
- cumulative oil, bbl
- 1.54K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 3, 1984
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Wallenberg, V. 490 G-8-111771 | D.R.S. (Lake Sand) | Sterling Oil and Gas | 1 | 0 | 1.54K | 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.
- 1Enre Corp.Jan 1993 → May 1993
- 2Okreek Oil CompanyJun 1993 → Jun 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 224246-99 | Drill | Enre Corp. | Dec 19, 1983 | Dec 22, 1983 | — | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-111771 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,633 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 3,420 | -1,787 |
| Lake Sand | 3,743 | -2,110 |
| Conglomerate | 3,876 | -2,243 |
| Duffer | 3,964 | -2,331 |
| Ellenburger | 4,150 | -2,517 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,743 | 3,748 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 362 | 12.25 | 260 sx |
| 4.5 | 3,980 | 7.875 | 125 sx |
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 | Aug 14, 1984 | May 14, 1984 | — |
| 00 | Aug 11, 1984 | May 14, 1984 | — |
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 42-133-35575 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-133-35575 → 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/13335575, documented in the API reference.