TEXAS · WELLS · WEBB COUNTY · API 42-479-33731 · DISTRICT 04

Vaquillas Ranch A5 #40

On schedule

Webb County · Vaquillas Ranch (Lobo Cons.) field · Producing  · Vertical

Vaquillas Ranch A5 #40 (API 42-479-33731) is a well in Webb County operated by Hilcorp Energy Company, completed November 8, 1990 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 1983 and 1990, permitted to 9,400 ft.

It was permitted by Conoco Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 7 formation tops, including Wilcox, 1st Unconf., Walker, Walker Sd..

Its 2 leases have reported 12.6K barrels of oil and 1.21M mcf of gas since the record begins in January 1993, last reporting volume in August 2026.

Operator of record

Hilcorp Energy Company

Permitted by Conoco Inc.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 27, 2026
Permits on file
3,458
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Aug 2026
Latest permitConoco Inc.Oct 2, 1990

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,400
total depth, ft
2
permits on file
Oct 2, 1990
last permit issued
Nov 8, 1990
completed
12.6K
cumulative oil, bbl
1.21M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 8, 1990
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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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 2 leases this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Vaquillas Ranch A5 G-4-136222Vaquillas Ranch (Lobo Cons.)Hilcorp Energy Company112.6K1.21Mby Jan 1993 – Aug 2026
— G-4-108657——000—

Gas, mcf lease total

Last 12 months 23,420 · prior 12 37,115(-37%)

02K4K6K202420252026

Wells named Vaquillas Ranch A5

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 wells

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Conoco Inc.Jan 1993 → Dec 2002
  2. 2Conocophillips CompanyJan 2003 → Aug 2015
  3. 3Hilcorp Energy CompanyAug 2016 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
378607-99RecompletionConoco Inc.Sep 27, 1990Oct 2, 1990—9,000
217519-99DrillConoco Inc.Oct 13, 1983Oct 18, 1983Oct 28, 19839,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 8, 1990Vaquillas Ranch A5 G-4-136222Vaquillas Ranch (Lobo Cons.)Hilcorp Energy CompanyProducing9,400
Jan 1, 1984Vaquillas Ranch A5 G-4-108657Pozo (Lobo)Conoco Inc.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 532 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxLOWER WILCOX6,990-6,458
1ST Unconf.8,004-7,472
Walker8,130-7,598
Walker Sd.8,130-7,598
Lobo-1 Sd.8,242-7,710
Lobo-68,747-8,215
MidwayMIDWAY SH.9,020-8,488

Perforations

Perforated and open-hole intervals.

FromToType
8,1308,160Perforated
8,7948,800Perforated
8,8568,860Perforated
8,9018,910Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,14014.75770 S
7.6257,5009.3751,070 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Mar 7, 1991Nov 19, 1990—
00Feb 21, 1991Sep 25, 1990Yes
00Dec 13, 1990——
00Feb 16, 1984Jan 10, 1984—
00Jan 26, 1984Jan 10, 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.

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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

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