WELL · 42-479-39259 · DISTRICT 4

DE Spain 42 #1

Y

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

De Spain 42 #1 (API 42-479-39259) is a well in Webb County operated by Hilcorp Energy Company, completed February 6, 2006 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 31, 2005, permitted to 11,600 ft.

It was permitted by Edge Petroleum Oper. CO., Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 6 formation tops, including Lobo Unconformity, Vaquillas, Lobo 1a, Lobo 1.

No lease production has been reported under this well’s leases.

Operator of record

Hilcorp Energy Company

Permitted by Edge Petroleum Oper. Co., 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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitEdge Petroleum Oper. Co., Inc.Aug 31, 2005

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

11,600
total depth, ft
2
permits on file
Aug 31, 2005
last permit issued
Feb 6, 2006
completed
0
cumulative oil, bbl
181K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 6, 2006
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
DE Spain 42 G-4-223405Vaquillas Ranch (Lobo Cons.)Hilcorp Energy Company10181KFeb 2006 – Jul 2026

Gas, mcf lease total

Last 12 months 2,841 · prior 12 4,282(-34%)

05001K202420252026

Chain of custody

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

  1. 1Edge Petroleum Oper. Co., Inc.Feb 2006 → Nov 2010
  2. 2Apache CorporationDec 2010 → Aug 2014
  3. 3Urban Oil & Gas Group, LLCSep 2014 → Sep 2024
  4. 4Hilcorp Energy CompanyOct 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
605693-98DrillEdge Petroleum Oper. Co., Inc.Sep 19, 2005Aug 31, 2005Sep 26, 200511,600
605693-99DrillEdge Petroleum Oper. Co., Inc.Aug 31, 2005Aug 31, 2005—10,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-223405————

Formation tops

As filed on W-2/G-1. Subsea from 613 ft elevation.Download CSV →

FormationMD ftSubsea
Lobo Unconformity10,018-9,405
Vaquillas10,106-9,493
Lobo 1A10,376-9,763
Lobo 110,544-9,931
Lobo 310,792-10,179
Lobo 611,361-10,748

Perforations

Perforated and open-hole intervals.

FromToType
10,37710,387Perforated
10,54610,560Perforated
10,83010,850Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62554312.25235 S
4.51,1756.25335 S
78,3988.75150 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 9, 2007Mar 29, 2006Yes
00Dec 20, 2006——

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 are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

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/47939259, documented in the API reference.