WELL · 42-479-36189 · DISTRICT 4
Vaquillas 1953 #4
Webb County · Vaquillas Ranch (Lobo Cons.) field · Vertical
Vaquillas 1953 #4 (API 42-479-36189) is a plugged well in Webb County, plugged January 11, 2005, last operated by Westport Oil And Gas Company LP.
The RRC has issued one drilling permit, issued October 18, 1994, permitted to 10,500 ft.
It was permitted by Sonat Exploration CO. - Houston and has since transferred to Westport Oil And Gas Company LP on the wellbore schedule.
Completion filings report 3 formation tops, including C Wilcox, Big Blue, Lobo I.
Operator of record
Westport Oil and Gas Company LP
Permitted by Sonat Exploration Co. - Houston; the EWA schedule now lists a different operator.
- Based in
- The Woodlands, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Dec 27, 2005
- Permits on file
- 217
- Phone
- (214) 692-1800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Westport Oil and Gas Company LP |
| Production reports | Sonat Exploration Co. - Houstonthrough Jan 1996 |
| Latest permit | Sonat Exploration Co. - HoustonOct 18, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Oct 18, 1994
- last permit issued
- Dec 22, 1994
- completed
- 0
- cumulative oil, bbl
- 7.63K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1994 THROUGH Jan 2005
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 22, 1994
- Shut in
- —
- Plugged
- Jan 11, 2005
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 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 |
|---|---|---|---|---|---|---|
| Vaquillas 1953 G-4-153111 | Vaquillas Ranch (Lobo Cons.) | Westport Oil and Gas Company, LP | 1 | 0 | 7.63K | Dec 1994 – Jan 2005 |
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.
- 1Sonat Exploration Co. - HoustonDec 1994 → Jan 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 428140-99 | Drill | Sonat Exploration Co. - Houston | Sep 16, 1994 | Oct 18, 1994 | Nov 5, 1994 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-153111 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 517 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| C Wilcox | 4,790 | -4,273 |
| Big Blue | 6,790 | -6,273 |
| Lobo I | 8,813 | -8,296 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,915 | 8,944 | Perforated |
| 8,948 | 8,955 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 528 | 12.25 | 85 S |
| 7 | 7,145 | 8.75 | 275 S |
| 2.875 | 9,165 | 6.125 | 450 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 | Mar 23, 1995 | Jan 8, 1995 | Yes |
| 00 | Mar 8, 1995 | — | — |
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 42-479-36189 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36189 → 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/47936189, documented in the API reference.