TEXAS · WELLS · WEBB COUNTY · VAQUILLAS RANCH A11 LEASE · API 42-479-34057 · DISTRICT 04
Vaquillas Ranch A11 #55
Webb County · Vaquillas Ranch (Lobo Cons.) field · Producing · Vertical
Vaquillas Ranch A11 #55 (API 42-479-34057) is a well in Webb County operated by Hilcorp Energy Company, completed January 29, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 11, 1984, permitted to 11,750 ft.
It was permitted by Conoco Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 8 formation tops, including Carrizo, Lo. Carrizo Wilcox Marker, Lo. Carrizo Wilcox Mkr., Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Conoco Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Conoco Inc.Dec 11, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,750
- total depth, ft
- 1
- permits on file
- Dec 11, 1984
- last permit issued
- Jan 29, 2010
- completed
- 0
- cumulative oil, bbl
- 159K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 29, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 A11 G-4-117264 | Vaquillas Ranch (Walker 8300) | Hilcorp Energy Company | 1 | 0 | 159K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 142 · prior 12 157(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conocophillips CompanyJan 2010 → Dec 2015
- 2Hilcorp Energy CompanyJan 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 260524-99 | Drill | Conoco Inc. | Dec 10, 1984 | Dec 11, 1984 | — | 12,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 29, 2010 | Vaquillas Ranch A11 G-4-117264 | Vaquillas Ranch (Lobo Cons.) | Hilcorp Energy Company | Producing | 11,750 |
Formation tops
As filed on W-2/G-1. Subsea from 548 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,304 | 8,334 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,541 | 17.5 | 1,000 S |
| 9.625 | 7,250 | 12.25 | 1,100 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 8, 2010 | Feb 17, 2010 | — |
| 00 | Aug 2, 1985 | Jul 8, 1985 | — |
| 00 | Jul 26, 1985 | — | — |
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 42-479-34057 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34057 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000085830 | W-14 Disposal | Not activated | 1,200 | 1,500 | 3,050–3,670 |
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/47934057, documented in the API reference.