TEXAS · WELLS · WEBB COUNTY · SOUTH CALLAGHAN RANCH LEASE · API 42-479-37123 · DISTRICT 04
South Callaghan Ranch #172
Webb County · Beccero Creek (Lobo Cons.) field · Vertical
- Fields on the latest permit · any of 3
- Beccero Creek(lobo 1) · Beccero Creek (Lobo 2) · Beccero Creek (Lobo 6)
- Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.
South Callaghan Ranch #172 (API 42-479-37123) is a plugged well in Webb County, plugged September 14, 2012, last operated by Rosetta Resources Operating LP.
The RRC has issued one drilling permit, issued October 7, 1998, permitted to 9,000 ft.
It was permitted by Michael Petroleum Corporation and has since transferred to Rosetta Resources Operating LP on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Wills Point.
Its lease has reported 631K mcf of gas since December 1998, with no volume in the three years through August 2026.
Operator of record
Rosetta Resources Operating LP
Permitted by Michael Petroleum Corporation; 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 Jan 2004 |
| Latest permit | Michael Petroleum CorporationOct 7, 1998 |
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
- Oct 7, 1998
- last permit issued
- Dec 7, 1998
- completed
- 0
- cumulative oil, bbl
- 631K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · DEC 1998 THROUGH JAN 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 7, 1998
- Shut in
- —
- Plugged
- Sep 14, 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.
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-4-171662 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | 1 | 0 | 631K | Dec 1998 – Jan 2004 |
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.
- 1Michael Petroleum CorporationDec 1998 → Dec 2001
- 2Calpine Natural Gas CompanyJan 2002 → Apr 2002
- 3Calpine Natural Gas Company L.P.May 2002 → Jul 2002
- 4Calpine Natural Gas L.P.Aug 2002 → Jan 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 479993-99 | Drill | Michael Petroleum Corporation | Oct 7, 1998 | Oct 7, 1998 | Oct 26, 1998 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 7, 1998 | South Callaghan Ranch G-4-171662 | Beccero Creek (Lobo Cons.) | Rosetta Resources Operating LP | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 515 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxTOP UPPER WILCOX | 4,200 | -3,685 |
| WilcoxBASE UPPER WILCOX | 5,900 | -5,385 |
| Wills Point | 8,100 | -7,585 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,164 | 7,188 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 755 | 12.25 | 320 S |
| 7 | 6,567 | 8.75 | 420 S |
| 2.875 | 8,149 | 6.125 | 430 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 | Feb 18, 1999 | Jan 11, 1999 | Yes |
| 00 | Feb 8, 1999 | — | — |
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 42-479-37123 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37123 → 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/47937123, documented in the API reference.