WELL · 42-479-35768 · DISTRICT 4
Vaquillas Ranch #12
Webb County · Vaquillas Ranch (Lobo Cons.) field · Vertical
Vaquillas Ranch #12 (API 42-479-35768) is a well in Webb County operated by Conoco Inc., completed August 3, 1993.
The RRC has issued 2 drilling permits (amended once) in 1993, permitted to 12,000 ft.
It was permitted by Transamerican Natural Gas Corp. and has since transferred to Conoco Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including T/Wilcox, Wilcox, B/Wilcox, Wills Point.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Aug 1, 2011
- Permits on file
- 4,644
- Phone
- (281) 293-5562
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Conoco Inc. |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Transamerican Natural Gas Corp.Aug 5, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 3
- permits on file
- Aug 5, 1993
- last permit issued
- Aug 3, 1993
- completed
- 0
- cumulative oil, bbl
- 560K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 3, 1993
- 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 |
|---|---|---|---|---|---|---|
| Vaquillas Ranch G-4-146511 | Vaquillas Ranch (Wilcox 11600) | Hilcorp Energy Company | 1 | 0 | 344K | Aug 1993 – Jul 2026 |
| Vaquillas Ranch G-4-145512 | Vaquillas Ranch (Wilcox 11,100) | Conoco Inc. | 1 | 0 | 216K | May 1993 – Aug 1998 |
Gas, mcf lease total
Last 12 months 1,533 · prior 12 1,210(+27%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Transamerican Natural Gas Corp.May 1993 → Jul 1993
- 2Transtexas Gas CorporationAug 1993 → May 1997
- 3Conoco Inc.Jun 1997 → Dec 2002
- 4Conocophillips CompanyJan 2003 → Dec 2015
- 5Hilcorp Energy CompanyJan 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 414520-99 | Recompletion | Transamerican Natural Gas Corp. | Aug 2, 1993 | Aug 5, 1993 | Jul 25, 1993 | 12,000 |
| 409142-98 | Drill | Transamerican Natural Gas Corp. | Jun 14, 1993 | Feb 18, 1993 | — | 12,000 |
| 409142-99 | Drill | Transamerican Natural Gas Corp. | Feb 18, 1993 | Feb 18, 1993 | Feb 20, 1993 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-145512 | — | — | — | — |
| — | — G-4-146511 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 656 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Wilcox | 6,135 | -5,479 |
| Wilcox | 6,135 | -5,479 |
| WilcoxBASE OF LOWER WILCOX | 7,865 | -7,209 |
| B/Wilcox | 7,865 | -7,209 |
| Wills Point | 12,000 | -11,344 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,748 | 10,770 | Perforated |
| 11,578 | 11,753 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 750 | 14.75 | 545 S |
| 7 | 8,330 | 8.75 | 255 S |
| 4.5 | 12,000 | 6.125 | 415 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 | Apr 16, 1998 | Apr 1, 1998 | — |
| 00 | Nov 10, 1993 | Sep 23, 1993 | Yes |
| 00 | Sep 24, 1993 | — | Yes |
| 00 | Jul 23, 1993 | Jun 10, 1993 | Yes |
| 00 | Jun 23, 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 42-479-35768 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35768 → 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/47935768, documented in the API reference.