WELL · 42-479-36498 · DISTRICT 4
Vaquillas Ranch 1631A #7
Webb County · Vaquillas Ranch (Lobo) field · Producing · Directional
Vaquillas Ranch 1631a #7 (API 42-479-36498) is a well in Webb County operated by Three-C Oil And Gas, completed July 16, 1996 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 13, 1996, permitted to 9,500 ft.
It was permitted by Sonat Exploration CO. - Houston and has since transferred to Three-C Oil And Gas on the wellbore schedule.
Completion filings report 3 formation tops, including Big Blue, Wills Point, B Lwr Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Sonat Exploration Co. - Houston; the EWA schedule now lists a different operator.
Hebbronville, TX · P-5 Y, filed Jul 4, 2026 · (361) 231-2638
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Three-C Oil and Gas |
| Production reports | Three-C Oil and Gasthrough Apr 2023 |
| Latest permit | Sonat Exploration Co. - HoustonMay 13, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- May 13, 1996
- last permit issued
- Jul 16, 1996
- completed
- 0
- cumulative oil, bbl
- 3.03M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 16, 1996
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 Ranch 1631A G-4-159951 | Vaquillas Ranch (Lobo) | Three-C Oil and Gas | 1 | 0 | 3.03M | Jul 1996 – Jul 2026 |
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. - HoustonJul 1996 → Dec 1999
- 2EL Paso Production CompanyJan 2000 → Mar 2002
- 3United Oil & Minerals L. P.Apr 2002 → Jun 2003
- 4United Resources, LPJul 2003 → Dec 2003
- 5Westport Oil and Gas Company, LPJan 2004 → Nov 2005
- 6Houston Exploration Company, TheDec 2005 → Jun 2007
- 7Forest Oil CorporationJul 2007 → Jun 2010
- 8Columbus Energy, LLCJul 2010 → Jan 2021
- 9Three-C Oil and GasApr 2021 → Apr 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 448079-99 | Drill | Sonat Exploration Co. - Houston | May 13, 1996 | May 13, 1996 | May 31, 1996 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-159951 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Big Blue | 6,855 |
| Wills Point | 8,712 |
| B LWR Wilcox | 10,278 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,008 | 10,215 | Perforated |
| 9,908 | 10,215 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 537 | 12.25 | 200 S |
| 7 | 7,523 | 8.75 | 340 S |
| 2.875 | 10,465 | 6.5 | 600 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 10, 1997 | Feb 14, 1997 | — |
| 00 | Oct 23, 1996 | Aug 1, 1996 | Yes |
| 00 | Oct 3, 1996 | — | — |
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 42-479-36498 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36498 → 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/47936498, documented in the API reference.