WELL · 42-479-30810 · DISTRICT 4
Callaghan Ranch #20
Webb County · Finley-Webb (Upper Cons) field · Vertical
Callaghan Ranch #20 (API 42-479-30810) is a plugged well in Webb County, plugged March 29, 2021, last operated by Hilcorp Energy Company.
The RRC has issued 2 drilling permits between 1986 and 1993, permitted to 6,650 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Jul 2015 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Jul 1, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,650
- total depth, ft
- 2
- permits on file
- Jul 1, 1993
- last permit issued
- Sep 26, 1993
- completed
- 0
- cumulative oil, bbl
- 487K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 26, 1993
- Shut in
- —
- Plugged
- Mar 29, 2021
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Callaghan Ranch G-4-146869 | Finley-Webb (Upper Cons) | Hilcorp Energy Company | 1 | 0 | 487K | Sep 1993 – Mar 2021 |
| Callaghan Ranch G-4-124475 | Finley-Webb (Wilcox 5600) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 0 | Jan 1993 – Sep 1993 |
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.
- 1Mobil Producing TX. & N.M. Inc.Sep 1993 → Mar 2004
- 2Denali Oil & Gas Management, LLCApr 2004 → Jan 2006
- 3Chesapeake Operating, Inc.Feb 2006 → Jul 2012
- 4Hilcorp Energy CompanyJul 2015 → Jul 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 413412-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jul 1, 1993 | Jul 1, 1993 | Sep 1, 1993 | 6,650 |
| 303299-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jun 16, 1986 | Jun 18, 1986 | — | 6,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-124475 | — | — | — | — |
| — | — G-4-146869 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,124 | 5,140 | Perforated |
| 5,572 | 5,590 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 25 | 12.25 | 175 S |
| 8.625 | 250 | 12.25 | 175 S |
| 8.625 | 250 | — | — |
| 4.5 | 6,650 | 7.875 | 1,300 S |
| 4.5 | 6,650 | — | — |
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 | Jan 18, 1994 | Dec 1, 1993 | — |
| 00 | Dec 6, 1993 | Oct 21, 1993 | Yes |
| 00 | Oct 27, 1993 | — | — |
| 00 | Sep 23, 1987 | Aug 13, 1987 | — |
| 00 | Jul 27, 1987 | May 27, 1987 | Yes |
| 00 | Jul 18, 1987 | — | — |
| 00 | Jan 12, 1984 | Jul 21, 1975 | — |
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 42-479-30810 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-30810 → 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/47930810, documented in the API reference.