TEXAS · WELLS · WEBB COUNTY · ALLEY LEASE · API 42-479-38644 · DISTRICT 04

Alley #20

On schedule

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

Alley #20 (API 42-479-38644) is a well in Webb County operated by Hilcorp Energy Company, completed May 24, 2004 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 24, 2004, permitted to 11,440 ft.

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

Completion filings report 3 formation tops, including Lobo, Lobo 1, Lobo 6c.

Its lease has reported 8.21K barrels of oil and 1.2M mcf of gas since May 2004, last reporting volume in August 2026.

Operator of record

Hilcorp Energy Company

Permitted by Newfield Exploration Company; 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 permitNewfield Exploration CompanyFeb 24, 2004

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

11,440
total depth, ft
1
permits on file
Feb 24, 2004
last permit issued
May 24, 2004
completed
8.21K
cumulative oil, bbl
1.2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · JUN 2004 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 24, 2004
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Alley G-4-205614Vaquillas Ranch (Lobo Cons.)Hilcorp Energy Company18.21K1.2MMay 2004 – Aug 2026

Gas, mcf lease total

Last 12 months 13,047 · prior 12 13,547(-4%)

01K2K202420252026

Wells named Alley

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. 1Newfield Exploration CompanyJun 2004 → Sep 2016
  2. 2Hilcorp Energy CompanyOct 2016 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
542451-99DrillNewfield Exploration CompanyFeb 24, 2004Feb 24, 2004—12,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 24, 2004Alley G-4-205614Vaquillas Ranch (Lobo Cons.)Hilcorp Energy CompanyProducing11,440

Formation tops

As filed on W-2/G-1. Subsea from 729 ft elevation.Download CSV →

FormationMD ftSubsea
Lobo9,900-9,171
Lobo 110,200-9,471
Lobo 6C——

Perforations

Perforated and open-hole intervals.

FromToType
10,24810,260Perforated
11,04411,182Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,11012.25405 S
78,0808.75385 S
4.511,4406.25370 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
00Apr 4, 2005Nov 23, 2004Yes
00Jan 26, 2005——

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

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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.

The logs loaded for this well are under Well logs, with the RRC's log search 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/47938644, documented in the API reference.