WELL · 42-505-31350 · DISTRICT 4
Martinez Mercurio #1
Zapata County · Las Ovejas (Upper Wilcox) field · Vertical
Martinez Mercurio #1 (API 42-505-31350) is a plugged well in Zapata County, plugged September 19, 2017, last operated by Wagner Oil Company.
The RRC has issued 3 drilling permits between 1981 and 2005, permitted to 12,500 ft.
Completion filings report 2 formation tops, including Queen City, Wilcox.
Operator of record
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 23, 2025
- Permits on file
- 278
- Phone
- (817) 335-2222
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wagner Oil Company |
| Production reports | Wagner Oil Companythrough Apr 2009 |
| Latest permit | Wagner Oil CompanyDec 21, 2005 |
- 12,500
- total depth, ft
- 3
- permits on file
- Dec 21, 2005
- last permit issued
- Mar 21, 2006
- completed
- 0
- cumulative oil, bbl
- 30.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 21, 2006
- Shut in
- —
- Plugged
- Sep 19, 2017
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Martinez, Mercurio G-4-219460 | Las Ovejas (Upper Wilcox) | Wagner Oil Company | 1 | 0 | 21.7K | Mar 2006 – Sep 2017 |
| Martinez, Mercurio et AL G-4-144242 | Las Ovejas (Lobo 1) | Wagner Oil Company | 1 | 0 | 9.12K | Jan 1993 – Mar 2006 |
| Martinez, Mercurio et AL G-4-95711 | Las Ovejas (Lobo 6) | Fina Oil & Chemical Company | 1 | 0 | 0 | Jan 1993 – Jan 1993 |
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.
- 1Fina Oil & Chemical CompanyJan 1993 → Jan 1993
- 2Wagner Oil CompanyMar 2006 → Apr 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 611429-99 | Recompletion | Wagner Oil Company | Dec 21, 2005 | Dec 21, 2005 | Mar 13, 2006 | 11,577 |
| 403208-99 | Recompletion | Fina Oil & Chemical Company | Sep 8, 1992 | Sep 15, 1992 | Oct 2, 1992 | 11,000 |
| 109424-99 | Drill | Sanchez-O'Brien Oil & Gas Corp. | Feb 24, 1981 | Feb 24, 1981 | Jun 19, 1981 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 21, 2006 | Martinez Mercurio G-4-219460 | Las Ovejas (Upper Wilcox) | Wagner Oil Company | Plugged | — |
| Jan 7, 1993 | Martinez Mercurio et AL G-4-144242 | Las Ovejas (Lobo 1) | Wagner Oil Company | Plugged | — |
| Aug 27, 1981 | Martinez Mercurio et AL G-4-95711 | Las Ovejas (Lobo 6) | Fina Oil & Chemical Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 519 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,219 | -2,700 |
| WilcoxWILCOX CARRIZO | 5,740 | -5,221 |
| WilcoxWILCOX LOBO | 10,310 | -9,791 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,836 | 5,840 | Perforated |
| 5,902 | 5,984 | Perforated |
| 10,021 | 10,031 | Perforated |
| 10,996 | 11,138 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,538 | 14.75 | 1,135 S |
| 10.75 | 1,550 | 14.75 | — |
| 7.625 | 8,648 | 9.875 | 1,280 S |
| 7.625 | 8,650 | 9.875 | 1,280 S |
| 2.375 | 10,890 | — | — |
| 5 | 11,570 | — | 410 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 | Feb 8, 2007 | May 18, 2006 | Yes |
| 00 | Sep 26, 2006 | — | — |
| 00 | Mar 25, 1993 | Jan 19, 1993 | Yes |
| 00 | Mar 11, 1993 | — | — |
| 00 | Jan 12, 1984 | Oct 5, 1981 | — |
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 42-505-31350 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31350 → 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/50531350, documented in the API reference.