WELL · 42-417-35623 · DISTRICT 7
Cook #1
Shackelford County · Ivy field · Vertical
Cook #1 (API 42-417-35623) is a plugged well in Shackelford County, plugged March 24, 2010, last operated by Glahn Resources Inc..
The RRC has issued one drilling permit, issued December 23, 1983, permitted to 3,500 ft.
It was permitted by Tapco Inc. and has since transferred to Glahn Resources Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Breckenridge, Palo Pinto.
Its lease has reported 25.8K barrels of oil and 1.32K mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tapco Inc.; the EWA schedule now lists a different operator.
Arlington, TX · P-5 Y, filed Dec 4, 2025 · 72 permits on file · (817) 360-4166
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Glahn Resources Inc. |
| Production reports | Glahn Resources, Inc.through Apr 2026 |
| Latest permit | Tapco Inc.Dec 23, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,500
- total depth, ft
- 1
- permits on file
- Dec 23, 1983
- last permit issued
- Jan 24, 1984
- completed
- 25.8K
- cumulative oil, bbl
- 1.32K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 24, 1984
- Shut in
- —
- Plugged
- Mar 24, 2010
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cook O-8-20719 | Ivy | Glahn Resources, Inc. | 2 | 25.8K | 1.32K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 379 · prior 12 511(-26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Lytle Creek Operating, Inc.Jan 1993 → Oct 1994
- 2Sojourner Drilling CorporationNov 1994 → Sep 1996
- 3RO-JO, Inc.Oct 1996 → Mar 1999
- 4Glahn Resources, Inc.Apr 1999 → Apr 2026
- 5G & F Oil, Inc.Apr 2001 → Jul 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 224366-99 | Drill | Tapco Inc. | Dec 20, 1983 | Dec 23, 1983 | — | 3,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-20719 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,602 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Breckenridge | 1,816 | -214 |
| Palo PintoTOP PALO PINTO | 3,198 | -1,596 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,214 | 3,224 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 100 | 11 | 75 S |
| 4.5 | 3,247 | 7.875 | 400 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 | Mar 14, 1984 | Feb 6, 1984 | — |
| 00 | Mar 8, 1984 | Feb 6, 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 42-417-35623 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-417-35623 → 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/41735623, documented in the API reference.