WELL · 42-479-30938 · DISTRICT 4
Callaghan Ranch #29
Webb County · Finley-Webb (Upper Cons) field · Vertical
Callaghan Ranch #29 (API 42-479-30938) is a plugged well in Webb County, plugged May 2, 2012, last operated by Chesapeake Operating Inc..
The RRC has issued 2 drilling permits between 1979 and 1993, permitted to 5,730 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Chesapeake Operating Inc. 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
- Oklahoma City, OK
- P-5 status
- Delinquent (D)
- P-5 last filed
- Dec 10, 2024
- Permits on file
- 13,061
- Phone
- (405) 935-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chesapeake Operating Inc. |
| Production reports | Chesapeake Operating, Inc.through Jun 2009 |
| 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.
- 5,730
- total depth, ft
- 2
- permits on file
- Jul 1, 1993
- last permit issued
- Jul 23, 1993
- completed
- 0
- cumulative oil, bbl
- 4.07M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 23, 1993
- Shut in
- —
- Plugged
- May 2, 2012
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-4-146072 | Finley-Webb (Upper Cons) | Chesapeake Operating, Inc. | 1 | 0 | 4.07M | Jul 1993 – May 2012 |
| Callaghan Ranch G-4-86208 | Finley-Webb (Wilcox 5600) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 100 | Jan 1993 – Jul 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.Jan 1993 → Sep 2003
- 2Denali Oil & Gas Management, LLCSep 2004 → Jan 2006
- 3Chesapeake Operating, Inc.Feb 2006 → Jun 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 413414-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jul 1, 1993 | Jul 1, 1993 | Jul 19, 1993 | 5,730 |
| 61223-99 | Recompletion | Mobil Oil Corporation | Oct 19, 1979 | Oct 19, 1979 | — | 5,730 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-86208 | — | — | — | — |
| — | — G-4-146072 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,980 | 5,010 | Perforated |
| 5,566 | 5,586 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 356 | 12.25 | — |
| 8.625 | 356 | — | — |
| 4.5 | 6,638 | 7.875 | — |
| 4.5 | 6,638 | — | — |
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 | Nov 12, 1993 | Sep 16, 1993 | — |
| 00 | Sep 23, 1993 | Aug 2, 1993 | Yes |
| 00 | Aug 12, 1993 | — | — |
| 00 | Jan 12, 1984 | Feb 6, 1980 | — |
| 00 | Jan 12, 1984 | Dec 3, 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 42-479-30938 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-30938 → 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/47930938, documented in the API reference.