TEXAS · WELLS · WEBB COUNTY · API 42-479-31060 · DISTRICT 04

Callaghan Ranch #31

Plugged

Webb County · Finley-Webb (Upper Cons) field  · Vertical

Callaghan Ranch #31 (API 42-479-31060) is a plugged well in Webb County, plugged March 17, 2021, last operated by Hilcorp Energy Company.

The RRC has issued 2 drilling permits between 1988 and 1989, permitted to 5,550 ft.

It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Operator of record

Hilcorp Energy Company

Permitted by Mobil Producing TX. & N.M. 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 reportsChesapeake Operating, Inc.through Mar 2007
Latest permitMobil Producing TX. & N.M. Inc.Nov 10, 1989

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

5,550
total depth, ft
2
permits on file
Nov 10, 1989
last permit issued
Aug 12, 2005
completed
0
cumulative oil, bbl
396K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2021

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 12, 2005
Shut in
—
Plugged
Mar 17, 2021

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Callaghan Ranch G-4-133163Finley-Webb (Upper Cons)Hilcorp Energy Company10396KJan 1993 – Mar 2021
— G-4-66427——000—

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

Chain of custody

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

  1. 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Sep 1996
  2. 2Denali Oil & Gas Management, LLCAug 2005 → Dec 2005
  3. 3Chesapeake Operating, Inc.Mar 2006 → Mar 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
366200-99RecompletionMobil Producing TX. & N.M. Inc.Nov 8, 1989Nov 10, 1989—5,550
343377-99RecompletionMobil Producing TX. & N.M. Inc.Mar 2, 1988Mar 4, 1988—5,540

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 12, 2005Callaghan Ranch G-4-133163Finley-Webb (Upper Cons)Hilcorp Energy CompanyPlugged—
Feb 11, 1976Callaghan Ranch G-4-66427Finley-Webb (Wilcox 5600)Mobil Producing TX. & N.M. Inc.Plugged—

Perforations

Perforated and open-hole intervals.

FromToType
4,9905,000Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62551112.25300 S
8.625511—350 S
4.55,7107.875600 S
4.55,710—600 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 13, 2006Oct 3, 2005—
00Feb 22, 1990Jan 24, 1990Yes
00Feb 13, 1990——
00Jan 12, 1984May 7, 1976—

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/47931060, documented in the API reference.