TEXAS · WELLS · WEBB COUNTY · SOUTH CALLAGHAN RANCH LEASE · API 42-479-35488 · DISTRICT 04
South Callaghan Ranch #79
Webb County · Dos Payasos (Lobo 2) field · Vertical
South Callaghan Ranch #79 (API 42-479-35488) is a plugged well in Webb County, plugged December 1, 2009, last operated by Rosetta Resources Operating LP.
The RRC has issued one drilling permit, issued June 9, 1992, permitted to 9,000 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 2 formation tops, including Wilcox, Lobo 6.
Its lease has reported 336 barrels of oil and 271K mcf of gas since the record begins in January 1993, with no volume in the three years through August 2026.
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 – Extension (X)
- P-5 last filed
- Sep 23, 2026
- 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 | Rosetta Resources Operating LPthrough Nov 2005 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Jun 9, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Jun 9, 1992
- last permit issued
- Jul 17, 1992
- completed
- 336
- cumulative oil, bbl
- 271K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH NOV 2005
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 17, 1992
- Shut in
- —
- Plugged
- Dec 1, 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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-4-143057 | Dos Payasos (Lobo 2) | Rosetta Resources Operating LP | 1 | 336 | 271K | by Jan 1993 – Nov 2005 |
No volumes reported on these leases in the last three years.
Wells named South Callaghan Ranch
Rosetta Resources Operating LP's other wells filed under this lease name in Webb County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain 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 → Nov 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 399965-99 | Drill | Mobil Producing TX. & N.M. Inc. | Jun 5, 1992 | Jun 9, 1992 | Jun 22, 1992 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 17, 1992 | South Callaghan Ranch G-4-143057 | Dos Payasos (Lobo 2) | Rosetta Resources Operating LP | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 641 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,473 | 7,512 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 234 | 12.25 | 120 S |
| 7 | 6,746 | 8.75 | 650 S |
| 2.875 | 8,390 | 6.125 | 550 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 21, 1993 | Sep 18, 1992 | Yes |
| 00 | Dec 7, 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 42-479-35488 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35488 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/47935488, documented in the API reference.