WELL · 42-479-35459 · DISTRICT 4
South Callaghan Ranch #77
Webb County · Beccero Creek (Lobo Cons.) field · Vertical
South Callaghan Ranch #77 (API 42-479-35459) is a plugged well in Webb County, plugged November 20, 2012, last operated by Rosetta Resources Operating LP.
The RRC has issued 3 drilling permits (amended once) between 1992 and 2004, permitted to 8,100 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 Sep 2006 |
| Latest permit | Calpine Natural Gas L.P.Feb 18, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,100
- total depth, ft
- 4
- permits on file
- Feb 18, 2004
- last permit issued
- May 4, 2004
- completed
- 0
- cumulative oil, bbl
- 779K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 4, 2004
- Shut in
- —
- Plugged
- Nov 20, 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Callaghan Ranch G-4-143121 | Brettchance (Lobo 6) | Rosetta Resources Operating LP | 1 | 0 | 535K | Jan 1993 – Nov 2012 |
| South Callaghan Ranch G-4-147791 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | 1 | 0 | 189K | Dec 1993 – Nov 2012 |
| South Callaghan Ranch G-4-202466 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | 1 | 0 | 55.3K | Apr 2004 – Nov 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.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 → Sep 2006
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 542099-99 | Recompletion | Calpine Natural Gas L.P. | Feb 17, 2004 | Feb 18, 2004 | Mar 4, 2004 | 7,547 |
| 418161-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Nov 12, 1993 | Nov 12, 1993 | Dec 8, 1993 | 7,547 |
| 398902-98 | Drill | Mobil Producing TX. & N.M. Inc. | Sep 25, 1992 | May 28, 1992 | Sep 2, 1992 | 8,100 |
| 398902-99 | Drill | Mobil Producing TX. & N.M. Inc. | May 1, 1992 | May 28, 1992 | — | 8,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-143121 | — | — | — | — |
| — | — G-4-147791 | — | — | — | — |
| — | — G-4-202466 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 546 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,681 | 6,696 | Perforated |
| 6,952 | 6,962 | Perforated |
| 7,188 | 7,200 | Perforated |
| 7,188 | 7,263 | Perforated |
| 7,188 | 7,263 | Open hole |
| 7,251 | 7,263 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 850 | 12.25 | 360 S |
| 7 | 6,343 | 8.75 | 1,295 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 19, 2005 | Jan 18, 2005 | — |
| 00 | Aug 26, 2004 | Jul 1, 2004 | Yes |
| 00 | Jul 28, 2004 | — | — |
| 00 | Mar 28, 1994 | Jan 13, 1994 | Yes |
| 00 | Jan 31, 1994 | — | — |
| 00 | Apr 8, 1993 | Mar 3, 1993 | — |
| 00 | Jan 26, 1993 | Oct 28, 1992 | Yes |
| 00 | Dec 9, 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 42-479-35459 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35459 → 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/47935459, documented in the API reference.