WELL · 42-479-35483 · DISTRICT 4

South Callaghan Ranch #74

N

Webb County · Beccero Creek (Lobo 2) field  · Vertical

South Callaghan Ranch #74 (API 42-479-35483) is a well in Webb County operated by Mobil Producing TX. & N.M. Inc., completed August 15, 1992.

The RRC has issued 2 drilling permits in 1992, permitted to 9,100 ft.

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

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

Operator of record

Mobil Producing TX. & N.M. Inc.

Based in
Spring, TX
P-5 status
Active (A)
P-5 last filed
Jun 4, 2025
Permits on file
6,763
Phone
(346) 474-9142

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMobil Producing TX. & N.M. Inc.
Production reportsAldine Oil and Gas, LPthrough Apr 2026
Latest permitMobil Producing TX. & N.M. Inc.Dec 2, 1992

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

9,100
total depth, ft
2
permits on file
Dec 2, 1992
last permit issued
Aug 15, 1992
completed
0
cumulative oil, bbl
3.64M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 15, 1992
Shut in
—
Plugged
—

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
South Callaghan Ranch G-4-143898Beccero Creek (Lobo Cons.)Aldine Oil and Gas, LP103.64MJan 1993 – Jul 2026
— G-4-142409——000—

Gas, mcf lease total

Last 12 months 20,541 · prior 12 103,058(-80%)

05K10K15K202420252026

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 → Mar 2012
  7. 7Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
  8. 8Petropoint Energy Operating, LLCSep 2012 → Jul 2014
  9. 9White Oak Operating Company LLCAug 2014 → Feb 2023
  10. 10Aldine Oil and Gas, LPMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
406743-99RecompletionMobil Producing TX. & N.M. Inc.Dec 2, 1992Dec 2, 1992Dec 28, 19929,100
399749-99DrillMobil Producing TX. & N.M. Inc.May 28, 1992May 28, 1992Jun 25, 19929,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-142409————
—— G-4-143898————

Formation tops

As filed on W-2/G-1. Subsea from 586 ft elevation.Download CSV →

FormationMD ftSubsea
Wilcox4,250-3,664
WilcoxMIDDLE WILCOX6,070-5,484
Lobo 68,460-7,874

Perforations

Perforated and open-hole intervals.

FromToType
7,7077,727Perforated
7,7077,980Perforated
7,9297,980Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
1660——
9.62591012.25350 S
76,8808.75625 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
00May 18, 1993Apr 13, 1993—
00Feb 18, 1993Jan 12, 1993Yes
00Feb 12, 1993——
00Oct 12, 1992Aug 26, 1992Yes
00Oct 8, 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/47935483, documented in the API reference.