WELL · 42-479-36695 · DISTRICT 4
South Callaghan Ranch #158
Webb County · Contempo (Lobo 2) field · Vertical
South Callaghan Ranch #158 (API 42-479-36695) is a plugged well in Webb County, plugged February 4, 1998, last operated by Mobil Producing TX. & N.M. Inc..
The RRC has issued one drilling permit, issued May 29, 1997, permitted to 10,000 ft.
Completion filings report 3 formation tops, including Lobo 2, Lobo 3, Lobo 6.
Operator of record
Mobil Producing TX. & N.M. Inc.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 4, 2025
- Permits on file
- 6,763
- Phone
- (346) 474-9142
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mobil Producing TX. & N.M. Inc. |
| Production reports | none |
| Latest permit | Mobil Producing TX. & N.M. Inc.May 29, 1997 |
- 10,000
- total depth, ft
- 1
- permits on file
- May 29, 1997
- last permit issued
- Oct 10, 1997
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Feb 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 10, 1997
- Shut in
- —
- Plugged
- Feb 4, 1998
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-4-165241 | Contempo (Lobo 2) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 0 | Oct 1997 – Feb 1998 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 463034-99 | Drill | Mobil Producing TX. & N.M. Inc. | May 29, 1997 | May 29, 1997 | Aug 12, 1997 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-165241 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 621 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo 2 | 8,165 | -7,544 |
| Lobo 3 | 8,484 | -7,863 |
| Lobo 6 | 8,776 | -8,155 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,190 | 8,210 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 265 | 12.25 | 200 S |
| 7 | 6,610 | 8.75 | 180 S |
| 2.875 | 9,244 | 6.125 | 600 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 | Dec 9, 1997 | Nov 12, 1997 | Yes |
| 00 | Dec 1, 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 42-479-36695 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36695 → 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/47936695, documented in the API reference.