TEXAS · WELLS · WEBB COUNTY · API 42-479-35239 · DISTRICT 04
South Callaghan Ranch #47
Webb County · Callaghan N. (Lobo Stray) field · Vertical
South Callaghan Ranch #47 (API 42-479-35239) is a plugged well in Webb County, plugged August 1, 2012, last operated by Rosetta Resources Operating LP.
The RRC has issued 2 drilling permits (amended once) between 1991 and 1993, permitted to 12,000 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 3 formation tops, including Wilcox, Lobo 1, 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 | Mobil Producing TX. & N.M. Inc. |
| Production reports | Calpine Natural Gas L.P.through Jun 2003 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Oct 7, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 3
- permits on file
- Oct 7, 1993
- last permit issued
- Nov 19, 1993
- completed
- 0
- cumulative oil, bbl
- 50.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 19, 1993
- Shut in
- —
- Plugged
- Aug 1, 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 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-4-148490 | Callaghan, N. (Lobo Stray) | Rosetta Resources Operating LP | 1 | 0 | 40.5K | Nov 1993 – Jul 2012 |
| South Callaghan Ranch G-4-139681 | Callaghan, N. (Wilcox, Lo.) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 9.98K | Jan 1993 – Nov 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 → Mar 1999
- 3Calpine Natural Gas L.P.Nov 2002 → Jun 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 416841-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Oct 7, 1993 | Oct 7, 1993 | Oct 29, 1993 | 11,850 |
| 388050-98 | Drill | Mobil Producing TX. & N.M. Inc. | Jun 4, 1991 | May 28, 1991 | Jun 28, 1991 | 12,000 |
| 388050-99 | Drill | Mobil Producing TX. & N.M. Inc. | May 17, 1991 | May 28, 1991 | — | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 19, 1993 | South Callaghan Ranch G-4-148490 | Callaghan N. (Lobo Stray) | Rosetta Resources Operating LP | Plugged | — |
| Sep 7, 1991 | South Callaghan Ranch G-4-139681 | Callaghan N. (Wilcox Lo.) | Mobil Producing TX. & N.M. Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 536 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxMIDDLE WILCOX | 5,215 | -4,679 |
| Lobo 1 | 6,100 | -5,564 |
| Lobo 6 | 6,740 | -6,204 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,032 | 6,044 | Perforated |
| 6,177 | 6,189 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 3,985 | 12.25 | 1,400 S |
| 7 | 7,431 | 8.75 | 630 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 | Aug 4, 1994 | Dec 8, 1993 | Yes |
| 00 | Mar 28, 1994 | — | — |
| 00 | Nov 27, 1991 | Sep 20, 1991 | Yes |
| 00 | Oct 31, 1991 | — | — |
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 42-479-35239 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35239 → 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/47935239, documented in the API reference.