TEXAS · WELLS · WEBB COUNTY · SOUTH CALLAGHAN RANCH LEASE · API 42-479-37820 · DISTRICT 04
South Callaghan Ranch #177
Webb County · Callaghan N. (Wilcox Lo.) field · Vertical
South Callaghan Ranch #177 (API 42-479-37820) is a plugged well in Webb County, plugged March 14, 2025, last operated by Aldine Oil And Gas LP.
The RRC has issued one drilling permit, issued May 17, 2001, permitted to 8,500 ft.
It was permitted by Michael Petroleum Corporation and has since transferred to Aldine Oil And Gas LP on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Lobo Unconformity.
Its lease has reported 2.33K barrels of oil and 1.32M mcf of gas since September 2001, with no volume in the three years through April 2026.
Operator of record
Permitted by Michael Petroleum Corporation; the EWA schedule now lists a different operator.
- Based in
- Tomball, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Jun 4, 2025
- Phone
- (281) 822-1400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Aldine Oil and Gas LP |
| Production reports | Aldine Oil and Gas, LPthrough Aug 2021 |
| Latest permit | Michael Petroleum CorporationMay 17, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- May 17, 2001
- last permit issued
- Sep 17, 2001
- completed
- 2.33K
- cumulative oil, bbl
- 1.32M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2001 THROUGH Aug 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 17, 2001
- Shut in
- —
- Plugged
- Mar 14, 2025
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-4-185247 | Callaghan, N. (Wilcox, Lo.) | Aldine Oil and Gas, LP | 1 | 2.33K | 1.32M | Sep 2001 – Aug 2021 |
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.
- 1Michael Petroleum CorporationSep 2001 → 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 → Dec 2005
- 5Rosetta Resources Operating LPJan 2006 → Mar 2012
- 6Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
- 7Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 8White Oak Operating Company LLCAug 2014 → Aug 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 509123-99 | Drill | Michael Petroleum Corporation | May 17, 2001 | May 17, 2001 | Aug 22, 2001 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 17, 2001 | South Callaghan Ranch G-4-185247 | Callaghan N. (Wilcox Lo.) | Aldine Oil and Gas LP | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 556 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxMIDDLE WILCOX | 5,240 | -4,684 |
| Lobo Unconformity | 5,900 | -5,344 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,232 | 6,238 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,541 | 12.25 | 569 S |
| 4.5 | 6,594 | 8.75 | 506 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 | Nov 12, 2001 | Oct 17, 2001 | Yes |
| 00 | Nov 5, 2001 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-479-37820 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37820 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/47937820, documented in the API reference.