WELL · 42-479-35333 · DISTRICT 4
South Callaghan Ranch #52
Webb County · Beccero Creek (Lobo Cons.) field · Vertical
South Callaghan Ranch #52 (API 42-479-35333) is a plugged well in Webb County, plugged January 21, 2009, last operated by Rosetta Resources Operating LP.
The RRC has issued 4 drilling permits (amended once) between 1991 and 2005, permitted to 8,500 ft.
It was permitted by Calpine Natural Gas L.P. 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 Calpine Natural Gas L.P.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Aug 4, 2025 · 1,218 permits on file · (210) 384-5000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Rosetta Resources Operating LP |
| Production reports | Rosetta Resources Operating LPthrough Dec 2007 |
| Latest permit | Calpine Natural Gas L.P.Sep 12, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 5
- permits on file
- Sep 12, 2005
- last permit issued
- Aug 21, 2005
- completed
- 0
- cumulative oil, bbl
- 1.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 21, 2005
- Shut in
- —
- Plugged
- Jan 21, 2009
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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Callaghan Ranch G-4-143969 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | 1 | 0 | 1.16M | Jan 1993 – Jul 2019 |
| South Callaghan Ranch G-4-197065 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | 1 | 0 | 179 | Sep 2003 – Jul 2019 |
| South Callaghan Ranch G-4-212944 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | 1 | 0 | 187K | Aug 2005 – Jan 2009 |
| South Callaghan Ranch G-4-141439 | Beccero Creek(lobo 1) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 0 | Jan 1993 – Jan 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.
- 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 → Dec 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 605943-99 | Recompletion | Calpine Natural Gas L.P. | Sep 6, 2005 | Sep 12, 2005 | Aug 9, 2005 | 7,850 |
| 535735-99 | Recompletion | Calpine Natural Gas L.P. | Aug 25, 2003 | Sep 2, 2003 | Sep 3, 2003 | 7,850 |
| 406741-98 | Other | Mobil Producing TX. & N.M. Inc. | Dec 7, 1992 | Dec 2, 1992 | Dec 28, 1992 | 8,500 |
| 406741-99 | Other | Mobil Producing TX. & N.M. Inc. | Dec 2, 1992 | Dec 2, 1992 | — | 8,500 |
| 393491-99 | Drill | Mobil Producing TX. & N.M. Inc. | Oct 31, 1991 | Nov 1, 1991 | Nov 21, 1991 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-141439 | — | — | — | — |
| — | — G-4-143969 | — | — | — | — |
| — | — G-4-197065 | — | — | — | — |
| — | — G-4-212944 | — | — | — | — |
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 |
|---|---|---|
| 6,865 | 6,905 | Perforated |
| 6,868 | 6,892 | Perforated |
| 7,390 | 7,404 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 847 | 12.25 | 325 S |
| 7 | 3,538 | 8.75 | 714 S |
| 4.5 | 6,077 | 6.125 | — |
| 7 | 6,410 | 8.75 | 315 S |
| 7 | — | 8.75 | 714 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 | Apr 26, 2006 | Oct 13, 2005 | — |
| 00 | Mar 2, 2006 | Sep 12, 2005 | Yes |
| 00 | Dec 28, 2005 | — | — |
| 00 | Nov 4, 2003 | Oct 3, 2003 | Yes |
| 00 | Oct 13, 2003 | — | — |
| 00 | Mar 10, 1993 | Feb 8, 1993 | — |
| 00 | Feb 25, 1993 | — | — |
| 00 | Jun 16, 1992 | Apr 27, 1992 | Yes |
| 00 | Jun 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.
- Wellbore filings for 42-479-35333 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35333 → 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/47935333, documented in the API reference.