TEXAS · WELLS · WEBB COUNTY · API 42-479-36728 · DISTRICT 04
South Callaghan Ranch #161
Webb County · Benavides (Lobo Cons.) field · SWR-10-Well · Vertical
South Callaghan Ranch #161 (API 42-479-36728) is a well in Webb County operated by Aldine Oil And Gas LP, completed April 17, 1998 and listed as swr-10-well on the RRC schedule.
The RRC has issued one drilling permit, issued July 24, 1997, permitted to 9,312 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Aldine Oil And Gas LP on the wellbore schedule.
Completion filings report 3 formation tops, including Lobo 1, Lobo 2, Lobo 6.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; 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 Apr 2026 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Jul 24, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,312
- total depth, ft
- 1
- permits on file
- Jul 24, 1997
- last permit issued
- Apr 17, 1998
- completed
- 0
- cumulative oil, bbl
- 1.47M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 17, 1998
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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-4-165570 | Contempo (Lobo 1) | Aldine Oil and Gas, LP | 1 | 0 | 135K | Oct 1997 – Jul 2026 |
| South Callaghan Ranch G-4-168057 | Benavides (Lobo Cons.) | Aldine Oil and Gas, LP | 1 | 0 | 0 | Apr 1998 – Jul 2026 |
| South Callaghan Ranch G-4-168058 | Contempo (Lobo 2) | Aldine Oil and Gas, LP | 1 | 0 | 1.34M | Apr 1998 – Jul 2026 |
Gas, mcf lease total
Last 12 months 5,560 · prior 12 11,041(-50%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mobil Producing TX. & N.M. Inc.Nov 1997 → 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 → Mar 2012
- 7Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
- 8Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 9White Oak Operating Company LLCAug 2014 → Feb 2023
- 10Aldine Oil and Gas, LPMar 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 465354-99 | Drill | Mobil Producing TX. & N.M. Inc. | Jul 24, 1997 | Jul 24, 1997 | Sep 2, 1997 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 17, 1998 | South Callaghan Ranch G-4-168058 | Contempo (Lobo 2) | Aldine Oil and Gas LP | Producing | 9,312 |
| Apr 17, 1998 | South Callaghan Ranch G-4-168057 | Benavides (Lobo Cons.) | Aldine Oil and Gas LP | SWR-10-Well · shut in Oct 1, 2000 | 9,312 |
| Oct 22, 1997 | South Callaghan Ranch G-4-165570 | Contempo (Lobo 1) | Aldine Oil and Gas LP | SWR-10-Well · shut in Oct 1, 2000 | 9,312 |
Formation tops
As filed on W-2/G-1. Subsea from 608 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo 1 | 7,944 | -7,336 |
| Lobo 2 | 8,203 | -7,595 |
| Lobo 6 | 8,794 | -8,186 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,953 | 7,975 | Perforated |
| 8,230 | 8,250 | Perforated |
| 8,828 | 8,942 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 261 | 12.25 | 200 S |
| 7 | 6,791 | 8.75 | 230 S |
| 2.875 | 9,295 | 6.125 | 500 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 | Jun 26, 1998 | May 13, 1998 | — |
| 00 | Jun 8, 1998 | May 13, 1998 | — |
| 00 | May 28, 1998 | — | — |
| 00 | Dec 22, 1997 | Dec 5, 1997 | Yes |
| 00 | Dec 16, 1997 | — | — |
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 42-479-36728 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36728 → 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/47936728, documented in the API reference.