WELL · 42-479-32244 · DISTRICT 4

Hirsch Estate A #1

Plugged

Webb County · Big Cowboy (Lobo) field  · Vertical

Hirsch Estate A #1 (API 42-479-32244) is a plugged well in Webb County, plugged June 9, 2004, last operated by Conocophillips Company.

The RRC has issued 2 drilling permits between 1978 and 1990, permitted to 9,200 ft.

It was permitted by Enron Oil & Gas Company and has since transferred to Conocophillips Company on the wellbore schedule.

Completion filings report 2 formation tops, including Queen City, Wilcox.

Operator of record

Conocophillips Company

Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Feb 3, 2026
Permits on file
3,290
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitEnron Oil & Gas CompanyJul 13, 1990
9,200
total depth, ft
2
permits on file
Jul 13, 1990
last permit issued
Mar 12, 1991
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2004

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 12, 1991
Shut in
—
Plugged
Jun 9, 2004

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
Hirsch Estate A G-4-84437Big Cowboy (Lobo)Conocophillips Company100Jan 1993 – Jun 2004

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
375410-99RecompletionEnron Oil & Gas CompanyJul 11, 1990Jul 13, 1990Mar 6, 19917,500
38722-99DrillHNG Oil CompanyDec 12, 1978Dec 12, 1978Dec 22, 19789,200

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 12, 1991Hirsch Estate A G-4-84437Big Cowboy (Lobo)Conocophillips CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 511 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City2,465-1,954
Wilcox4,490-3,979
WilcoxWILCOX LOBO7,310-6,799

Perforations

Perforated and open-hole intervals.

FromToType
7,3227,336Perforated
7,6147,696Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62599512.25—
76,9648.75590 S
2.3757,602——

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
00May 31, 1991Mar 28, 1991—
00Jan 12, 1984May 14, 1979—

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/47932244, documented in the API reference.