TEXAS · WELLS · WEBB COUNTY · API 42-479-35342 · DISTRICT 04

South Callaghan Ranch #54

Plugged

Webb County · Beccero Creek (Lobo Cons.) field  · Vertical

South Callaghan Ranch #54 (API 42-479-35342) is a plugged well in Webb County, plugged August 22, 2012, last operated by Rosetta Resources Operating LP.

The RRC has issued 2 drilling permits between 1991 and 1993, permitted to 8,400 ft.

It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Rosetta Resources Operating LP on the wellbore schedule.

Completion filings report 2 formation tops, including Wilcox, Lobo 6.

Operator of record

Rosetta Resources Operating LP

Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.

Based in
San Antonio, TX
P-5 status
Active (A)
P-5 last filed
Oct 1, 2025
Permits on file
1,218
Phone
(210) 384-3200

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRosetta Resources Operating LP
Production reportsRosetta Resources Operating LPthrough Aug 2007
Latest permitMobil Producing TX. & N.M. Inc.Sep 27, 1993

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

8,400
total depth, ft
2
permits on file
Sep 27, 1993
last permit issued
Nov 15, 1993
completed
0
cumulative oil, bbl
1.36M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2012

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 15, 1993
Shut in
—
Plugged
Aug 22, 2012

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
South Callaghan Ranch G-4-141434Beccero Creek (Lobo Cons.)Rosetta Resources Operating LP101.24MJan 1993 – Aug 2012
South Callaghan Ranch G-4-141435Beccero Creek (Lobo 2)Mobil Producing TX. & N.M. Inc.10123KJan 1993 – Nov 1993

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 → Apr 1998
  2. 2Michael Petroleum CorporationMay 1998 → Dec 2001
  3. 3Calpine Natural Gas CompanyJan 2002 → Apr 2002
  4. 4Calpine Natural Gas Company L.P.May 2002 → Jul 2002
  5. 5Calpine Natural Gas L.P.Aug 2002 → Dec 2005
  6. 6Rosetta Resources Operating LPJan 2006 → Aug 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
416436-99RecompletionMobil Producing TX. & N.M. Inc.Sep 27, 1993Sep 27, 1993Nov 10, 19937,775
393767-99DrillMobil Producing TX. & N.M. Inc.Nov 7, 1991Nov 7, 1991Dec 8, 19918,400

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 15, 1993South Callaghan Ranch G-4-141434Beccero Creek (Lobo Cons.)Rosetta Resources Operating LPPlugged—
Nov 15, 1993South Callaghan Ranch G-4-141434Beccero Creek (Lobo Cons.)Rosetta Resources Operating LPPlugged—
Mar 19, 1992South Callaghan Ranch G-4-141435Beccero Creek (Lobo 2)Mobil Producing TX. & N.M. Inc.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 544 ft elevation.Download CSV →

FormationMD ftSubsea
Wilcox3,830-3,286
WilcoxMIDDLE WILCOX5,520-4,976
Lobo 67,350-6,806

Perforations

Perforated and open-hole intervals.

FromToType
6,6126,618Perforated
6,7606,796Perforated
6,8886,908Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
2085——
9.62586612.25325 S
76,2468.75295 S
7—8.75834 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
00Feb 10, 1994Dec 6, 1993Yes
00Jun 16, 1992Apr 14, 1992Yes
00Jun 5, 1992——

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/47935342, documented in the API reference.