TEXAS · WELLS · WEBB COUNTY · API 42-479-34633 · DISTRICT 04

South Callaghan Ranch #12

Y

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

South Callaghan Ranch #12 (API 42-479-34633) is a well in Webb County operated by Aldine Oil And Gas LP, completed August 31, 1992 and listed as producing on the RRC schedule.

The RRC has issued 3 drilling permits between 1988 and 1992, permitted to 8,300 ft.

It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Aldine Oil And Gas LP on the wellbore schedule.

Completion filings report 3 formation tops, including Wilcox, Lobo 3, Lobo 6.

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

Operator of record

Aldine Oil and Gas LP

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

Based in
Tomball, TX
P-5 status
Delinquent (D)
P-5 last filed
Jun 4, 2025
Phone
(281) 822-1400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsAldine Oil and Gas, LPthrough Apr 2026
Latest permitMobil Producing TX. & N.M. Inc.Dec 29, 1992
8,300
total depth, ft
3
permits on file
Dec 29, 1992
last permit issued
Aug 31, 1992
completed
0
cumulative oil, bbl
3.15M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 31, 1992
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
South Callaghan Ranch G-4-127869Beccero Creek (Wilcox, Lo.)Aldine Oil and Gas, LP100Jan 1993 – Jul 2026
South Callaghan Ranch G-4-142489Beccero Creek (Lobo Cons.)Aldine Oil and Gas, LP103.15MJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 20,356 · prior 12 17,089(+19%)

01K2K202420252026

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
407047-99RecompletionMobil Producing TX. & N.M. Inc.Dec 9, 1992Dec 29, 1992—8,300
401455-99RecompletionMobil Producing TX. & N.M. Inc.Jul 21, 1992Jul 21, 1992Jul 23, 19928,300
341405-99DrillMobil Producing TX. & N.M. Inc.Jan 14, 1988Jan 15, 1988—9,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 31, 1992South Callaghan Ranch G-4-142489Beccero Creek (Lobo Cons.)Aldine Oil and Gas LPProducing8,300
Mar 19, 1988South Callaghan Ranch G-4-127869Beccero Creek (Lobo Cons.)Aldine Oil and Gas LPPartial Plug · shut in Oct 1, 20008,300

Formation tops

As filed on W-2/G-1. Subsea from 561 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxTOP WILCOX4,060-3,499
WilcoxMIDDLE WILCOX5,850-5,289
Lobo 36,880-6,319
Lobo 67,410-6,849

Perforations

Perforated and open-hole intervals.

FromToType
6,9146,933Perforated
7,4437,587Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,63014.751,150 S
76,7369.875860 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
00Nov 3, 1992Sep 18, 1992Yes
00Oct 12, 1992——
00Apr 15, 1992Mar 23, 1992—
00Sep 6, 1988Jul 13, 1988Yes
00Aug 20, 1988——

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/47934633, documented in the API reference.