TEXAS · WELLS · CALLAHAN COUNTY · G-8-110725 LEASE · API 42-059-34907 · DISTRICT 6E
Isenhower #1
Callahan County · Isenhower SE. (Duffer) field · Vertical
Isenhower #1 (API 42-059-34907) is a plugged well in Callahan County, plugged July 9, 1991, last operated by Sequoia Fossil Fuels Inc..
The RRC has issued one drilling permit, issued April 10, 1984, permitted to 4,500 ft.
Completion filings report 3 formation tops, including T/Caddo, Duffer, Ellenburger.
Operator of record
- Based in
- Albany, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Dec 22, 2011
- Permits on file
- 142
- Phone
- (325) 762-3991
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sequoia Fossil Fuels Inc. |
| Production reports | none |
| Latest permit | Sequoia Fossil Fuels, Inc.Apr 10, 1984 |
- 4,500
- total depth, ft
- 1
- permits on file
- Apr 10, 1984
- last permit issued
- May 3, 1984
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 3, 1984
- Shut in
- —
- Plugged
- Jul 9, 1991
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 |
|---|---|---|---|---|---|---|
| — G-8-110725 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 235664-99 | Drill | Sequoia Fossil Fuels, Inc. | Mar 16, 1984 | Apr 10, 1984 | Apr 10, 1984 | 4,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 3, 1984 | Isenhower G-8-110725 | Isenhower SE. (Duffer) | Sequoia Fossil Fuels Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,597 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Caddo | 3,076 | -1,479 |
| Duffer | 3,726 | -2,129 |
| Ellenburger | 3,954 | -2,357 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,750 | 3,772 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 100 | 11 | 80 sx |
| 4.5 | 4,200 | 7.875 | 250 sx |
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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 13, 1984 | May 21, 1984 | — |
| 00 | Jun 8, 1984 | May 21, 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 42-059-34907 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-059-34907 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/05934907, documented in the API reference.