TEXAS · WELLS · ZAPATA COUNTY · MARSHALL, S.G. LEASE · API 42-505-32899 · DISTRICT 04
Marshall S.G. #20
Zapata County · Las Ovejas W. (Lobo) field · Vertical
- Permitted field
- Pok - a - Dot (8600)
Marshall S.G. #20 (API 42-505-32899) is a plugged well in Zapata County, plugged February 9, 2006, last operated by Eog Resources Inc..
The RRC has issued 2 drilling permits (amended once) between 1992 and 2004, permitted to 13,800 ft.
Completion filings report 2 formation tops, including Wilcox, Wills Pt..
Its lease has reported 1.11K barrels of oil and 533K mcf of gas since February 1993, with no volume in the three years through April 2026.
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 Feb 2004 |
| Latest permit | EOG Resources, Inc.Jul 13, 2004 |
- 13,800
- total depth, ft
- 3
- permits on file
- Jul 13, 2004
- last permit issued
- Feb 17, 1993
- completed
- 1.11K
- cumulative oil, bbl
- 533K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1993 THROUGH Feb 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 17, 1993
- Shut in
- —
- Plugged
- Feb 9, 2006
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 |
|---|---|---|---|---|---|---|
| Marshall, S.G. G-4-144509 | Las Ovejas, W. (Lobo) | EOG Resources, Inc. | 1 | 1.11K | 533K | Feb 1993 – Feb 2004 |
No volumes reported on these leases in the last three years.
Wells named Marshall S.G.
EOG Resources Inc.'s other wells filed under this lease name in Zapata County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyFeb 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Feb 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 548177-99 | Recompletion | EOG Resources, Inc. | Jul 13, 2004 | Jul 13, 2004 | — | 13,800 |
| 401237-98 | Drill | Enron Oil & Gas Company | Jan 25, 1993 | Jul 15, 1992 | Nov 6, 1992 | 13,800 |
| 401237-99 | Drill | Enron Oil & Gas Company | Jul 15, 1992 | Jul 15, 1992 | — | 13,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 17, 1993 | Marshall S.G. G-4-144509 | Las Ovejas W. (Lobo) | EOG Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 535 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,191 | 11,210 | Perforated |
| 11,531 | 11,554 | Perforated |
| 11,710 | 11,728 | Perforated |
| 11,789 | 11,854 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,028 | 12.25 | 370 S |
| 7 | 8,014 | 8.75 | 475 S |
| 2.875 | 12,850 | 6.25 | 1,325 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 | Apr 8, 1993 | Feb 24, 1993 | Yes |
| 00 | Mar 31, 1993 | — | — |
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 42-505-32899 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32899 → 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/50532899, documented in the API reference.