TEXAS · WELLS · ZAPATA COUNTY · API 42-505-33356 · DISTRICT 04
Morgenstern #4
Zapata County · Lopeno NE. (9400) field · Directional
Morgenstern #4 (API 42-505-33356) is a plugged well in Zapata County, plugged November 11, 2009, last operated by Eog Resources Inc..
The RRC has issued 2 drilling permits between 1995 and 2003, permitted to 14,200 ft.
Completion filings report 3 formation tops, including Queen City, Wilcox, Wills Point.
Its 2 leases have reported 1.2M mcf of gas since December 1995, with no volume in the three years through April 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,354
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Jun 2004 |
| Latest permit | EOG Resources, Inc.Dec 8, 2003 |
- 14,200
- total depth, ft
- 2
- permits on file
- Dec 8, 2003
- last permit issued
- Dec 16, 2003
- completed
- 0
- cumulative oil, bbl
- 1.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1995 THROUGH Jun 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 16, 2003
- Shut in
- —
- Plugged
- Nov 11, 2009
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Morgenstern G-4-199232 | Lopeno, NE. (9400) | EOG Resources, Inc. | 1 | 0 | 4.46K | Dec 2003 – Jun 2004 |
| Morgenstern G-4-157074 | Lopeno, NE. (10,500) | EOG Resources, Inc. | 1 | 0 | 1.19M | Dec 1995 – Nov 2003 |
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.
- 1Enron Oil & Gas CompanyDec 1995 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Jun 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 539408-99 | Recompletion | EOG Resources, Inc. | Dec 8, 2003 | Dec 8, 2003 | Dec 1, 2003 | 10,900 |
| 440293-99 | Drill | Enron Oil & Gas Company | Sep 26, 1995 | Sep 26, 1995 | Oct 2, 1995 | 14,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 16, 2003 | Morgenstern G-4-199232 | Lopeno NE. (9400) | EOG Resources Inc. | Plugged | — |
| Dec 14, 1995 | Morgenstern G-4-157074 | Lopeno NE. (10 500) | EOG Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 388 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,400 | -3,012 |
| Wilcox | 7,890 | -7,502 |
| Wills Point | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,376 | 9,384 | Perforated |
| 10,580 | 10,617 | Perforated |
| 10,626 | 10,658 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 725 | 17.5 | 585 S |
| 9.625 | 6,800 | 12.25 | 500 S |
| 7 | 10,194 | 8.75 | 225 S |
| 2.875 | 10,889 | 6.25 | 405 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 19, 2004 | Jan 22, 2004 | Yes |
| 00 | Feb 24, 2004 | — | — |
| 00 | Jul 10, 1996 | Jan 8, 1996 | Yes |
| 00 | Jul 3, 1996 | Mar 15, 1996 | — |
| 00 | May 22, 1996 | Mar 20, 1996 | — |
| 00 | Mar 27, 1996 | Jan 3, 1996 | Yes |
| 00 | Mar 8, 1996 | — | — |
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 42-505-33356 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33356 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/50533356, documented in the API reference.