WELL · 42-479-33743 · DISTRICT 4
Vaquillas Ranch -I- #42
Webb County · Vaquillas Ranch (Wilcox 11 100) field · Vertical
Vaquillas Ranch -I- #42 (API 42-479-33743) is a well in Webb County operated by Conoco Inc., completed February 25, 1984.
The RRC has issued 3 drilling permits between 1983 and 2019, permitted to 12,700 ft.
It was permitted by Hilcorp Energy Company and has since transferred to Conoco Inc. on the wellbore schedule.
Completion filings report 14 formation tops, including Jackson, Queen City, Yegua, Catahoula.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Hilcorp Energy Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Dec 6, 2002 · 4,644 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Conoco Inc. |
| Production reports | Hilcorp Energy Companythrough Apr 2019 |
| Latest permit | Hilcorp Energy CompanyFeb 27, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,700
- total depth, ft
- 3
- permits on file
- Feb 27, 2019
- last permit issued
- Feb 25, 1984
- completed
- 0
- cumulative oil, bbl
- 305K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 25, 1984
- Shut in
- —
- Plugged
- —
Surface location
27.560659, -98.995941
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Webb County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 3 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 I G-4-289629 | Wilson, J.E. (6850 SD) | Hilcorp Energy Company | 1 | 0 | 7 | Mar 2019 – Jul 2026 |
| Vaquillas Ranch -I G-4-133021 | Vaquillas Ranch (Yarsa) | Hilcorp Energy Company | 1 | 0 | 305K | Jan 1993 – Mar 2019 |
| — G-4-109443 | — | — | 0 | 0 | 0 | — |
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.
- 1Conoco Inc.Jan 1993 → Dec 2002
- 2Conocophillips CompanyJan 2003 → Dec 2015
- 3Hilcorp Energy CompanyJan 2016 → Apr 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 850336-99 | Recompletion | Hilcorp Energy Company | Feb 22, 2019 | Feb 27, 2019 | Feb 22, 2019 | 12,200 |
| 368007-99 | Recompletion | Conoco Inc. | Dec 27, 1989 | Jan 2, 1990 | — | 12,200 |
| 219576-99 | Drill | Conoco Inc. | Oct 31, 1983 | Nov 2, 1983 | — | 12,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-109443 | — | — | — | — |
| — | — G-4-133021 | — | — | — | — |
| — | — G-4-289629 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 741 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Jackson | 690 | 51 |
| Queen City | 900 | -159 |
| Yegua | 1,100 | -359 |
| CatahoulaCATAHOULA-FRIO | 1,500 | -759 |
| Wilcox | 1,800 | -1,059 |
| EscondidoESCONDITO | 2,300 | -1,559 |
| Cook Mountain | 3,970 | -3,229 |
| Olmos | 4,200 | -3,459 |
| Eagle FordEAGLE FORD SHALE | 8,000 | -7,259 |
| EdwardsEDWARDS LIMESTONE | 8,800 | -8,059 |
| WilcoxLOWER WILCOX GROUP | 10,550 | -9,809 |
| Walker | 10,740 | -9,999 |
| Lobo-1 | 11,058 | -10,317 |
| Lobo-6 | 11,590 | -10,849 |
| Wills Point | 11,870 | -11,129 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,620 | 6,734 | Perforated |
| 10,754 | 10,762 | Perforated |
| 10,770 | 10,776 | Perforated |
| 11,120 | 11,134 | Perforated |
| 11,632 | 11,652 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,066 | 14.75 | 680 S |
| 7.625 | 9,175 | 9.875 | 1,580 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 | Sep 29, 2020 | Sep 3, 2020 | — |
| 00 | Aug 11, 2020 | Jul 24, 2020 | — |
| 00 | Feb 7, 1990 | Dec 20, 1989 | Yes |
| 00 | Jan 31, 1990 | — | — |
| 00 | Mar 27, 1984 | Mar 13, 1984 | — |
| 00 | Mar 17, 1984 | Mar 13, 1984 | — |
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 42-479-33743 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-33743 → 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.
Nearby wells and their tops
NEAREST 2 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 2 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Vaquillas Ranch G42-479-33582
1.4 KM · Hilcorp Energy Company · Section with this well →
| Wilcox | 10,750 | -9,986 |
| Wills Point | 12,440 | -11,676 |
K & H Fee '2042'42-479-36686
12.0 KM · Killam Oil Co., Ltd. · Section with this well →
| Yegua | 1,540 | -952 |
| Queen City | 3,170 | -2,582 |
| Wilcox | 5,650 | -5,062 |
| Midway | 9,872 | -9,284 |
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/47933743, documented in the API reference.