WELL · 42-287-30376 · DISTRICT 3
Wubbenhorst #4RE
Lee County · Giddings (Austin Chalk-3) field · Horizontal
Wubbenhorst #4RE (API 42-287-30376) is a plugged horizontal well in Lee County, plugged July 28, 2003, last operated by Magnolia Oil & Gas Operating LLC.
The RRC has issued 2 drilling permits between 1978 and 2000, permitted to 10,000 ft.
It was permitted by Wcs Oil And Gas Corporation and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Pecan Gap, Austin Chalk.
Its 2 leases have reported 179K barrels of oil and 1.02M mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by WCS Oil and Gas Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 615 permits on file · (713) 345-6206
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | WCS Oil and Gas CorporationJun 13, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 2
- permits on file
- Jun 13, 2000
- last permit issued
- Jul 6, 2000
- completed
- 179K
- cumulative oil, bbl
- 1.02M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 6, 2000
- Shut in
- —
- Plugged
- Jul 28, 2003
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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wubbenhorst O-3-17012 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 4 | 174K | 862K | Jan 1993 – Jul 2026 |
| Whitfield Unit O-3-12043 | Giddings (Austin Chalk-3) | WCS Oil and Gas Corporation | 1 | 5.12K | 156K | Jan 1993 – Nov 2000 |
Oil, barrels lease total
Last 12 months 922 · prior 12 1,346(-32%)
Gas, mcf lease total
Last 12 months 3,435 · prior 12 6,958(-51%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bridge Oil Company, L. P.Jan 1993 → Sep 1994
- 2WCS Oil and Gas CorporationJan 1993 → Apr 2005
- 3Parker & Parsley Development L.POct 1994 → Jan 1995
- 4Parker & Parsley Producing L.P.Feb 1995 → May 1996
- 5Costilla Petroleum CorporationJun 1996 → Jan 1997
- 6Costilla Energy, Inc.Feb 1997 → Mar 1999
- 7Petra Oleum Corp.Apr 1999 → Apr 2000
- 8WCS Oil & Gas CorporationMay 2005 → Aug 2021
- 9Magnolia Oil & Gas Operating LLCSep 2021 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 496132-99 | Recompletion | WCS Oil and Gas Corporation | Jun 13, 2000 | Jun 13, 2000 | Jun 15, 2000 | 10,000 |
| 29408-99 | Drill | U. S. Resources, Inc. | Jul 31, 1978 | Jul 31, 1978 | Aug 31, 1978 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-12043 | — | — | — | — |
| — | — O-3-17012 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 266 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 6,983 | -6,717 |
| Austin Chalk | 7,548 | -7,282 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,040 | 8,224 | Perforated |
| 10,002 | 10,002 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,991 | 12.25 | 1,070 S |
| 2.375 | 8,000 | — | — |
| 5.5 | 8,273 | — | 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 | Dec 22, 2000 | Aug 9, 2000 | Yes |
| 00 | Nov 3, 2000 | Oct 27, 1978 | — |
| 00 | Jan 12, 1984 | Oct 27, 1978 | — |
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 42-287-30376 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-30376 → 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/28730376, documented in the API reference.