WELL · 42-371-35558 · DISTRICT 8
EL Wedo #4
Pecos County · Chenot (Wolfcamp) field · Vertical
El Wedo #4 (API 42-371-35558) is a plugged well in Pecos County, plugged September 6, 2019, last operated by Olsen Energy Inc..
The RRC has issued one drilling permit, issued July 10, 1985, permitted to 5,500 ft.
It was permitted by R. K. G. Engineering, Inc. and has since transferred to Olsen Energy Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Queen, Wichita-Albany, Wolfcamp.
Operator of record
Permitted by R. K. G. Engineering, Inc.; the EWA schedule now lists a different operator.
Boerne, TX · P-5 Y, filed May 4, 2026 · 243 permits on file · (210) 834-4655
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Olsen Energy Inc. |
| Production reports | R. K. G. Engineering, Inc.through Jul 2006 |
| Latest permit | R. K. G. Engineering, Inc.Jul 10, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 1
- permits on file
- Jul 10, 1985
- last permit issued
- Aug 15, 1985
- completed
- 0
- cumulative oil, bbl
- 886K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 15, 1985
- Shut in
- —
- Plugged
- Sep 6, 2019
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 |
|---|---|---|---|---|---|---|
| EL Wedo G-10-118454 | Chenot (Wolfcamp) | Olsen Energy Inc. | 1 | 0 | 886K | Jan 1993 – Sep 2019 |
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.
- 1R. K. G. Engineering, Inc.Jan 1993 → Jul 2006
- 2R.K.G. Operations, Inc.Jan 1997 → Jun 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 279836-99 | Drill | R. K. G. Engineering, Inc. | Jul 9, 1985 | Jul 10, 1985 | — | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-118454 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,705 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 1,320 | 1,385 |
| Wichita-AlbanyWICHITA ALBANY | 4,180 | -1,475 |
| Wolfcamp | 4,660 | -1,955 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,457 | 4,550 | Perforated |
| 4,670 | 4,760 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 725 | 14.75 | 1,605 S |
| 4.5 | 5,270 | 7.875 | 1,430 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 | Oct 24, 1985 | Oct 14, 1985 | Yes |
| 00 | Oct 19, 1985 | — | — |
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 42-371-35558 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-35558 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/37135558, documented in the API reference.