WELL · 42-479-34976 · DISTRICT 4
South Callaghan Ranch #26
Webb County · Beccero Creek (Lobo Cons.) field · Producing · Directional
South Callaghan Ranch #26 (API 42-479-34976) is a well in Webb County operated by Aldine Oil And Gas LP, completed April 23, 1993 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 1990 and 1992, permitted to 8,000 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 2, Lobo 6.
No lease production has been reported under this well’s leases.
Operator of record
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 schedule | Aldine Oil and Gas LP |
| Production reports | Aldine Oil and Gas, LPthrough Apr 2026 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Jul 21, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 3
- permits on file
- Jul 21, 1992
- last permit issued
- Apr 23, 1993
- completed
- 0
- cumulative oil, bbl
- 2.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 23, 1993
- 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Callaghan Ranch G-4-134062 | Beccero Creek (Lobo Cons.) | Aldine Oil and Gas, LP | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| South Callaghan Ranch G-4-142417 | Beccero Creek (Lobo Cons.) | Aldine Oil and Gas, LP | 1 | 0 | 2.05M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 9,542 · prior 12 5,739(+66%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Apr 1998
- 2Michael Petroleum CorporationMay 1998 → Dec 2001
- 3Calpine Natural Gas CompanyJan 2002 → Apr 2002
- 4Calpine Natural Gas Company L.P.May 2002 → Jul 2002
- 5Calpine Natural Gas L.P.Aug 2002 → Dec 2005
- 6Rosetta Resources Operating LPJan 2006 → Mar 2012
- 7Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
- 8Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 9White Oak Operating Company LLCAug 2014 → Feb 2023
- 10Aldine Oil and Gas, LPMar 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 401454-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jul 21, 1992 | Jul 21, 1992 | Jul 30, 1992 | 8,000 |
| 368680-98 | Drill | Mobil Producing TX. & N.M. Inc. | Apr 6, 1990 | Jan 17, 1990 | — | 8,600 |
| 368680-99 | Drill | Mobil Producing TX. & N.M. Inc. | Jan 16, 1990 | Jan 17, 1990 | — | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 23, 1993 | South Callaghan Ranch G-4-142417 | Beccero Creek (Lobo Cons.) | Aldine Oil and Gas LP | Producing | 8,000 |
| Mar 17, 1990 | South Callaghan Ranch G-4-134062 | Beccero Creek (Lobo Cons.) | Aldine Oil and Gas LP | Partial Plug · shut in Oct 1, 2000 | 8,000 |
Formation tops
As filed on W-2/G-1. Subsea from 539 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,700 | 6,730 | Perforated |
| 6,842 | 6,916 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 10.75 | 1,630 | 14.75 | 855 S |
| 7.625 | 6,350 | 9.875 | 740 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 3, 1993 | May 17, 1993 | — |
| 00 | Oct 12, 1992 | Aug 13, 1992 | Yes |
| 00 | Oct 8, 1992 | — | — |
| 00 | Apr 26, 1990 | Apr 12, 1990 | Yes |
| 00 | Apr 24, 1990 | — | — |
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.
- Wellbore filings for 42-479-34976 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34976 → scanned completion filings
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/47934976, documented in the API reference.