WELL · 42-505-31176 · DISTRICT 4
Ramirez Blas #4
Zapata County · Lopeno (Consolidated) field · Vertical
Ramirez Blas #4 (API 42-505-31176) is a well in Zapata County operated by Xto Energy Inc., completed May 25, 1980.
The RRC has issued one drilling permit, issued January 10, 1980, permitted to 10,800 ft.
It was permitted by Gulf Energy Producing Company and has since transferred to Xto Energy Inc. on the wellbore schedule.
Completion filings report one formation top, including Lopeno.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Gulf Energy Producing Company; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | Vantage Operating II, LLCthrough Apr 2026 |
| Latest permit | Gulf Energy Producing CompanyJan 10, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 1
- permits on file
- Jan 10, 1980
- last permit issued
- May 25, 1980
- completed
- 0
- cumulative oil, bbl
- 2.42M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 25, 1980
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Ramirez, Blas G-4-93342 | Lopeno (Wilcox E) | Vantage Operating II, LLC | 1 | 0 | 2.42M | Jan 1993 – Jul 2026 |
| Ramirez, Blas G-4-89671 | Lopeno (Wilcox G) | XTO Energy Inc. | 1 | 0 | 0 | Jan 1993 – Oct 2011 |
Gas, mcf lease total
Last 12 months 2,027 · prior 12 1,554(+30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Graham Royalty, Ltd.Jan 1993 → Oct 1993
- 2Midpar L.P.Nov 1993 → Feb 1995
- 3Parker & Parsley Development L.PMar 1995 → Aug 1997
- 4Pioneer Natural Res. USA, Inc.Sep 1997 → Jul 1999
- 5CNG Producing CompanyAug 1999 → May 2000
- 6Dominion Expl. & Prod., Inc.Jun 2000 → Jul 2007
- 7XTO Energy Inc.Aug 2007 → Jun 2021
- 8Vantage Operating II, LLCJul 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 69195-99 | Drill | Gulf Energy Producing Company | Jan 10, 1980 | Jan 10, 1980 | Mar 26, 1980 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-89671 | — | — | — | — |
| — | — G-4-93342 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 338 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lopeno | 9,060 | -8,722 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,066 | 9,074 | Perforated |
| 9,066 | 9,090 | Perforated |
| 9,415 | 10,471 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 603 | 17.5 | 560 S |
| 9.625 | 5,791 | 12.25 | 300 S |
| 2.375 | 8,950 | — | — |
| 5.5 | 10,766 | 7.875 | 2,240 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 25, 2011 | Feb 22, 2011 | — |
| 00 | Jan 12, 1984 | May 22, 1981 | — |
| 00 | Jan 12, 1984 | Sep 19, 1980 | — |
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 42-505-31176 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31176 → 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/50531176, documented in the API reference.