WELL · 42-479-35716 · DISTRICT 4
South Callaghan Ranch #106
Webb County · Callaghan (Wilcox) field · Vertical
South Callaghan Ranch #106 (API 42-479-35716) is a plugged well in Webb County, plugged August 10, 2012, last operated by Rosetta Resources Operating LP.
The RRC has issued one drilling permit, issued December 29, 1992, permitted to 7,500 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 schedule | Rosetta Resources Operating LP |
| Production reports | Calpine Natural Gas L.P.through Jun 2003 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Dec 29, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 1
- permits on file
- Dec 29, 1992
- last permit issued
- Mar 23, 1993
- completed
- 0
- cumulative oil, bbl
- 1.12M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1993 THROUGH Aug 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 23, 1993
- Shut in
- —
- Plugged
- Aug 10, 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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Callaghan Ranch G-4-144933 | Callaghan (Wilcox) | Rosetta Resources Operating LP | 1 | 0 | 1.12M | Mar 1993 – Aug 2012 |
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.Mar 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 → Jun 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 406892-99 | Drill | Mobil Producing TX. & N.M. Inc. | Dec 4, 1992 | Dec 29, 1992 | Dec 30, 1992 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-144933 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 532 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,112 | 6,138 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 580 | 12.25 | 340 S |
| 7 | 5,733 | 8.75 | 1,090 S |
| 7 | 5,733 | — | 1,090 S |
| 2.875 | 7,137 | 6.125 | 350 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 | May 28, 1993 | May 17, 1993 | — |
| 00 | May 7, 1993 | Apr 14, 1993 | Yes |
| 00 | May 3, 1993 | — | — |
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 42-479-35716 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35716 → 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/47935716, documented in the API reference.