TEXAS · WELLS · ZAPATA COUNTY · API 42-505-31133 · DISTRICT 04

McAskill #1

Y

Zapata County · La Perla (Lobo Cons.) field · Producing  · Vertical

Mcaskill #1 (API 42-505-31133) is a well in Zapata County operated by Hilcorp Energy Company, completed July 4, 2004 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 1979 and 2004, permitted to 11,474 ft.

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

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

Operator of record

Hilcorp Energy Company

Permitted by Conocophillips Company; 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 scheduleConocophillips Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitConocophillips CompanyMay 5, 2004

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

11,474
total depth, ft
2
permits on file
May 5, 2004
last permit issued
Jul 4, 2004
completed
0
cumulative oil, bbl
382K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 4, 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.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McAskill G-4-209478La Perla (Lobo Cons.)Hilcorp Energy Company10339KJul 2004 – Jul 2026
McAskill G-4-88228Blancas Creek (10850)Conocophillips Company1043.2KJan 1993 – Jul 2004

Gas, mcf lease total

Last 12 months 5,430 · prior 12 4,173(+30%)

05001K202420252026

Chain of custody

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

  1. 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
  2. 2Transtexas Gas CorporationAug 1993 → May 1997
  3. 3Conoco Inc.Jun 1997 → May 2001
  4. 4Conocophillips CompanyJul 2004 → Dec 2015
  5. 5Hilcorp Energy CompanyJan 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
544784-99RecompletionConocophillips CompanyApr 22, 2004May 5, 2004May 18, 200411,474
55722-99DrillGood Hope Refineries, Inc.Aug 15, 1979Aug 15, 1979Aug 31, 197911,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 4, 2004McAskill G-4-209478La Perla (Lobo Cons.)Hilcorp Energy CompanyProducing11,474
Nov 4, 1979McAskill G-4-88228Blancas Creek (10850)Conocophillips CompanyNot on Schedule—

Perforations

Perforated and open-hole intervals.

FromToType
10,27210,418Perforated
11,00211,140Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7550514.75430 S
7.6257,6559.875550 S
2.87510,120——
5.511,4736.75600 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
00Sep 20, 2005May 31, 2005Yes
00Jul 20, 2005——
00Jan 12, 1984Feb 1, 1980—

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/50531133, documented in the API reference.