WELL · 42-479-30812 · DISTRICT 4
Callaghan Ranch #18
Webb County · Vertical
Callaghan Ranch #18 (API 42-479-30812) is a permitted well in Webb County filed by Denali Oil & Gas Management, LLC; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1984 and 2004, permitted to 6,650 ft.
Completion filings report 2 formation tops, including Wilcox, Hirsh 6300.
Operator of record
Denali Oil & Gas Management, LLC
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Aug 10, 2012
- Permits on file
- 94
- Phone
- (281) 847-1888
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Chesapeake Operating, Inc.through Jan 2010 |
| Latest permit | Denali Oil & Gas Management, LLCDec 15, 2004 |
- 6,650
- total depth, ft
- 3
- permits on file
- Dec 15, 2004
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 1.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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-4-115090 | Finley-Webb (Wilcox 5600) | Chesapeake Operating, Inc. | 1 | 0 | 733K | Jan 1993 – May 2012 |
| Callaghan Ranch G-4-207604 | Finley-Webb (Upper Cons) | Chesapeake Operating, Inc. | 1 | 0 | 468K | Jan 2005 – May 2012 |
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.May 1993 → Mar 2004
- 2Denali Oil & Gas Management, LLCApr 2004 → Jan 2006
- 3Chesapeake Operating, Inc.Feb 2006 → Jan 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 554867-99 | Recompletion | Denali Oil & Gas Management, LLC | Dec 15, 2004 | Dec 15, 2004 | Dec 5, 2004 | 5,690 |
| 405672-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Nov 4, 1992 | Nov 4, 1992 | — | 6,650 |
| 239854-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Apr 27, 1984 | May 23, 1984 | — | 6,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-115090 | — | — | — | — |
| — | — G-4-207604 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,222 | 5,242 | Perforated |
| 5,576 | 5,600 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 278 | 12.25 | 175 S |
| 8.625 | 278 | — | 175 S |
| 4.5 | 6,650 | — | 450 S |
| 4.5 | 6,650 | 7.875 | — |
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 20, 2005 | Feb 17, 2005 | — |
| 00 | Apr 14, 2005 | — | — |
| 00 | Jul 22, 1993 | Jun 17, 1993 | — |
| 00 | Mar 29, 1985 | Feb 15, 1985 | — |
| 00 | Mar 8, 1985 | Jan 29, 1985 | — |
| 00 | Jan 12, 1984 | Jun 9, 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 42-479-30812 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-30812 → 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/47930812, documented in the API reference.