TEXAS · WELLS · WEBB COUNTY · VAQUILLAS RANCH-A1 LEASE · API 42-479-33027 · DISTRICT 04
Vaquillas Ranch-A1 #11
Webb County · Vaquillas Ranch (Lobo Cons.) field · Producing · Vertical
Vaquillas Ranch-A1 #11 (API 42-479-33027) is a well in Webb County operated by Hilcorp Energy Company, completed December 29, 1988 and listed as producing on the RRC schedule, shut in August 1, 2026.
The RRC has issued one drilling permit, issued May 7, 1981, permitted to 10,844 ft.
It was permitted by Conoco Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report one formation top, including Lobo-1 (Walker Stray).
Its lease has reported 3.89K barrels of oil and 670K mcf of gas since the record begins in January 1993, last reporting volume in July 2026.
Operator of record
Permitted by Conoco Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)RRC P-5 file of Oct 22, 2026
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,460
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Jul 2026 |
| Latest permit | Conoco Inc.May 7, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,844
- total depth, ft
- 1
- permits on file
- May 7, 1981
- last permit issued
- Dec 29, 1988
- completed
- 3.89K
- cumulative oil, bbl
- 670K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH JUL 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 29, 1988
- Shut in
- Aug 1, 2026
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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-A1 G-4-96762 | Vaquillas Ranch (Lobo Cons.) | Hilcorp Energy Company | 1 | 3.89K | 670K | by Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 134 · prior 12 357(-62%)
Wells named Vaquillas Ranch-A1
Hilcorp Energy Company's other wells filed under this lease name in Webb County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Operator on the lease's P-4
Each operator named on the P-4 filings for this well's lease (a gas well is its own lease), from the date its filing took effect. The P-4 is filed by lease, so a date before the well was drilled is the lease's.
| Operator | From | To |
|---|---|---|
| Hilcorp Energy Company | Jan 1, 2016 | today |
| Conocophillips Company | Jan 1, 2003 | Jan 1, 2016 |
| Conoco Inc. | Nov 25, 1981 | Jan 1, 2003 |
Reporting production
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 → Jul 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 117351-99 | Drill | Conoco Inc. | May 7, 1981 | May 7, 1981 | — | 10,481 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 29, 1988 | Vaquillas Ranch-A1 G-4-96762 | Vaquillas Ranch (Lobo Cons.) | Hilcorp Energy Company | Producing · shut in Aug 1, 2026 | 10,844 |
Formation tops
As filed on W-2/G-1. Subsea from 614 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo-1 (Walker Stray) | 9,901 | -9,287 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,904 | 9,911 | Perforated |
| 9,904 | 9,926 | Perforated |
| 9,918 | 9,926 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,070 | 17 | 700 S |
| 9.625 | 8,497 | 12.25 | 700 S |
| 2.875 | 10,841 | 8.5 | 3,390 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 8, 1989 | Oct 11, 1989 | — |
| 00 | Jan 12, 1984 | Dec 8, 1981 | — |
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 42-479-33027 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-33027 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/47933027, documented in the API reference.