WELL · 42-479-04854 · DISTRICT 4
Callaghan Ranch #1
Webb County · Olmitos S. (Wilcox 5700) field · Vertical
Callaghan Ranch #1 (API 42-479-04854) is a plugged well in Webb County, plugged October 25, 1982, last operated by Mobil Oil Corporation.
The RRC has issued one drilling permit, issued January 28, 2010, permitted to 7,202 ft.
It was permitted by Ronde Operating, LLC and has since transferred to Mobil Oil Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Hirsch.
Operator of record
Permitted by Ronde Operating, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 4, 2026 · 1,487 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mobil Oil Corporation |
| Production reports | Forza Operating, LLCthrough Nov 2012 |
| Latest permit | Ronde Operating, LLCJan 28, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,202
- total depth, ft
- 1
- permits on file
- Jan 28, 2010
- last permit issued
- Dec 1, 1965
- completed
- 0
- cumulative oil, bbl
- 11.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2010 THROUGH May 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 1965
- Shut in
- —
- Plugged
- Oct 25, 1982
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 |
|---|---|---|---|---|---|---|
| Callaghan Ranch G-4-256532 | Olmitos, S. (Hirsch) | Forza Operating, LLC | 1 | 0 | 11.5K | Apr 2010 – May 2015 |
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.
- 1Sequoia Management II, LLCApr 2010 → Jul 2012
- 2Forza Operating, LLCNov 2012 → Nov 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 689836-99 | Reenter | Ronde Operating, LLC | Jan 15, 2010 | Jan 28, 2010 | Jan 30, 2010 | 7,202 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-256532 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 489 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxMIDDLE WILCOX | 5,580 | -5,091 |
| Hirsch | 6,980 | -6,491 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,660 | 6,097 | Perforated |
| 7,014 | 7,139 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 542 | 12.25 | 285 S |
| 9.625 | 582 | 12.25 | 285 S |
| 5.5 | 7,186 | 8.75 | 1,800 S |
| 5.5 | 7,202 | 8.75 | 1,800 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 | Oct 7, 2010 | Sep 22, 2010 | — |
| 00 | Aug 9, 2010 | Jun 23, 2010 | Yes |
| 00 | Jul 14, 2010 | — | — |
| 00 | Jan 12, 1984 | Mar 10, 1982 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-479-04854 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-04854 → 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/47904854, documented in the API reference.