WELL · 42-505-32978 · DISTRICT 4
Villarreal Ricardo #1
Zapata County · Wildcat field · SWR-10-Well · Vertical
Villarreal Ricardo #1 (API 42-505-32978) is a well in Zapata County operated by Eog Resources Inc., completed December 6, 1996 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 1992 and 1997, permitted to 9,350 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Eog Resources Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Queen City, Wilcox, Lobo.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,348
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | Marwell Petroleum Ltd Partnrshipthrough Apr 2026 |
| Latest permit | Enron Oil & Gas CompanyJan 7, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,350
- total depth, ft
- 3
- permits on file
- Jan 7, 1997
- last permit issued
- Dec 6, 1996
- completed
- 0
- cumulative oil, bbl
- 2.51M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 6, 1996
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| Villarreal, Ricardo G-4-146157 | Urebeno, South (Wilcox 7000) | Marwell Petroleum Ltd Partnrship | 1 | 0 | 2.51M | Aug 1993 – Jul 2026 |
| Villarreal, Ricardo G-4-190529 | Wildcat | EOG Resources, Inc. | 1 | 0 | 0 | Sep 2000 – Jul 2026 |
Gas, mcf lease total
Last 12 months 22,564 · prior 12 21,692(+4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyAug 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Jun 2011
- 3Marwell Petroleum Ltd PartnrshipJul 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 457055-99 | Recompletion | Enron Oil & Gas Company | Jan 7, 1997 | Jan 7, 1997 | Dec 6, 1996 | 10,500 |
| 406854-98 | Drill | Enron Oil & Gas Company | May 20, 1993 | Dec 4, 1992 | Jun 18, 1993 | 10,500 |
| 406854-99 | Drill | Enron Oil & Gas Company | Dec 4, 1992 | Dec 4, 1992 | — | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 6, 1996 | Villarreal Ricardo G-4-190529 | Wildcat | EOG Resources Inc. | SWR-10-Well · shut in Oct 1, 2000 | 9,350 |
| Aug 6, 1993 | Villarreal Ricardo G-4-146157 | Urebeno South (Wilcox 7000) | Marwell Petroleum Ltd Partnrship | Producing | 9,350 |
Formation tops
As filed on W-2/G-1. Subsea from 335 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 990 | -655 |
| Wilcox | 3,130 | -2,795 |
| Lobo | 6,842 | -6,507 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,384 | 6,400 | Perforated |
| 8,528 | 8,564 | Perforated |
| 8,957 | 9,016 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 445 | 12.25 | 240 S |
| 7 | 5,820 | 8.75 | 265 S |
| 2.875 | 9,345 | 6.25 | 650 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 10, 2002 | Jan 8, 1997 | — |
| 00 | Sep 24, 2002 | — | — |
| 00 | Jun 10, 1996 | Mar 22, 1996 | — |
| 00 | Sep 22, 1993 | Aug 18, 1993 | Yes |
| 00 | Aug 25, 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 42-505-32978 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32978 → 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/50532978, documented in the API reference.