WELL · 42-105-38074 · DISTRICT 7
Henderson 23 #4
Crockett County · Ozona (Canyon Sand) field · SWR-10-Well · Vertical
Henderson 23 #4 (API 42-105-38074) is a well in Crockett County operated by Toc Energy Resources LLC, completed August 16, 1999 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits between 1998 and 1999, permitted to 9,800 ft.
It was permitted by Cross Timbers Operating Company and has since transferred to Toc Energy Resources LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Canyon, Strawn.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Cross Timbers Operating Company; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Dec 4, 2025 · 2 permits on file · (817) 874-8111
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Toc Energy Resources LLC |
| Production reports | Toc Energy Resources, LLCthrough Mar 2026 |
| Latest permit | Cross Timbers Operating CompanyJul 7, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,800
- total depth, ft
- 2
- permits on file
- Jul 7, 1999
- last permit issued
- Aug 16, 1999
- completed
- 0
- cumulative oil, bbl
- 822K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 16, 1999
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Henderson 23 G-9-170667 | Hunt-Baggett, W. (Strawn) | Toc Energy Resources, LLC | 1 | 0 | 777K | Oct 1998 – Jul 2026 |
| Henderson 23 G-9-174067 | Ozona (Canyon Sand) | Toc Energy Resources, LLC | 1 | 0 | 45.2K | Aug 1999 – Jul 2026 |
Gas, mcf lease total
Last 12 months 7,103 · prior 12 2,685(+165%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cross Timbers Operating CompanyOct 1998 → May 2000
- 2Encore Operating, L.P.Jun 2000 → Dec 2007
- 3Encore Energy Partners Oper LLCJan 2008 → Mar 2012
- 4Vanguard Permian, LLCApr 2012 → Apr 2015
- 5Vanguard Operating, LLCMay 2015 → Aug 2019
- 6Grizzly OP of Delaware, LLCSep 2019 → Jan 2021
- 7Contango Resources, Inc.Feb 2021 → Jun 2021
- 8Toc Energy Resources, LLCAug 2021 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 485100-99 | Recompletion | Cross Timbers Operating Company | Jun 10, 1999 | Jul 7, 1999 | Jun 8, 1999 | 9,100 |
| 473975-99 | Drill | Cross Timbers Operating Company | Mar 3, 1998 | Mar 6, 1998 | Sep 17, 1998 | 9,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-170667 | — | — | — | — |
| — | — G-9-174067 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,469 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,407 | 6,515 | Perforated |
| 6,407 | 8,951 | Perforated |
| 6,581 | 6,594 | Perforated |
| 9,416 | 9,430 | Perforated |
| 9,416 | 9,488 | Perforated |
| 9,466 | 9,468 | Perforated |
| 9,476 | 9,488 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,280 | 11 | 550 S |
| 4.5 | 9,714 | 7.875 | 900 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 | Dec 22, 1999 | Nov 16, 1999 | — |
| 00 | Sep 24, 1999 | Aug 31, 1999 | — |
| 00 | Sep 9, 1999 | — | — |
| 00 | Dec 2, 1998 | Nov 6, 1998 | Yes |
| 00 | Nov 10, 1998 | — | — |
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 42-105-38074 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-38074 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/10538074, documented in the API reference.