WELL · 42-479-35554 · DISTRICT 4
Ervin #1
Webb County · Laredo S. (Queen City) field · Directional
Ervin #1 (API 42-479-35554) is a plugged well in Webb County, plugged March 18, 1994, last operated by Columbus Energy Corp..
The RRC has issued 3 drilling permits (amended once) between 1992 and 2003, permitted to 7,000 ft.
Completion filings report 3 formation tops, including Queen City, Wilcox, Same As Original G-1.
Operator of record
Tulsa, OK · P-5 Y, filed Sep 7, 2007 · 213 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Columbus Energy Corp. |
| Production reports | Columbus Energy Corp.through Sep 2006 |
| Latest permit | Columbus Energy Corp.Jul 1, 2003 |
- 7,000
- total depth, ft
- 4
- permits on file
- Jul 1, 2003
- last permit issued
- Jan 9, 1993
- completed
- 0
- cumulative oil, bbl
- 1.01M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 9, 1993
- Shut in
- —
- Plugged
- Mar 18, 1994
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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ervin G-4-161697 | Rio Bravo (L-6) | Columbus Energy, LLC | 1 | 0 | 888K | Jan 1997 – Jul 2026 |
| Ervin G-4-196016 | Clark Ranch (Wilcox C) | Columbus Energy, LLC | 1 | 0 | 94.4K | May 2003 – Jul 2026 |
| Ervin G-4-144329 | Laredo, S. (Queen City) | Columbus Energy Corp. | 1 | 0 | 25.3K | Jan 1993 – Mar 1994 |
| Ervin G-4-144332 | Clark Ranch (Wilcox C) | Columbus Energy Corp. | 1 | 0 | 2.63K | Jan 1993 – Mar 1994 |
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.
- 1Columbus Energy Corp.Jan 1993 → Sep 2006
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 533535-99 | Recompletion | Columbus Energy Corp. | Jun 26, 2003 | Jul 1, 2003 | May 13, 2003 | 7,000 |
| 446586-99 | Reenter | Columbus Energy Corp. | Apr 2, 1996 | Apr 2, 1996 | Dec 23, 1996 | 7,000 |
| 402139-98 | Drill | Columbus Energy Corp. | Jan 26, 1993 | Aug 10, 1992 | Nov 23, 1992 | 7,000 |
| 402139-99 | Drill | Columbus Energy Corp. | Aug 10, 1992 | Aug 10, 1992 | — | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-144329 | — | — | — | — |
| — | — G-4-144332 | — | — | — | — |
| — | — G-4-161697 | — | — | — | — |
| — | — G-4-196016 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 460 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 758 | -298 |
| Wilcox | 4,150 | -3,690 |
| Same AS Original G-1 | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,121 | 1,131 | Perforated |
| 4,669 | 4,677 | Perforated |
| 5,863 | 6,033 | Perforated |
| 6,550 | 6,562 | Perforated |
| 6,568 | 6,578 | Perforated |
| 6,590 | 6,650 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 572 | 14.75 | 400 S |
| 7.625 | 4,668 | 9.875 | 600 S |
| 7.625 | 4,886 | 9.875 | 600 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 5, 2003 | Jul 30, 2003 | — |
| 00 | Aug 14, 2003 | — | — |
| 00 | Mar 26, 1997 | Feb 13, 1997 | Yes |
| 00 | Feb 28, 1997 | — | — |
| 00 | Jun 10, 1993 | Mar 9, 1993 | — |
| 00 | Mar 24, 1993 | Mar 9, 1993 | Yes |
| 00 | Mar 23, 1993 | — | Yes |
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 42-479-35554 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35554 → 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/47935554, documented in the API reference.