WELL · 42-133-35670 · DISTRICT 7
Riddle Unit 4 #401
Eastland County · Marsan (Congl.) field · Vertical
Riddle Unit 4 #401 (API 42-133-35670) is a plugged well in Eastland County, plugged October 14, 2011, last operated by Star One Energy Inc..
The RRC has issued one drilling permit, issued February 13, 1984, permitted to 3,400 ft.
It was permitted by Morrison Energy Company and has since transferred to Star One Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Caddo, Marble Falls, Duffer, Conglomerate.
Operator of record
Permitted by Morrison Energy Company; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Mar 9, 2012
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Star One Energy Inc. |
| Production reports | none |
| Latest permit | Morrison Energy CompanyFeb 13, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,400
- total depth, ft
- 1
- permits on file
- Feb 13, 1984
- last permit issued
- Apr 2, 1984
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 2, 1984
- Shut in
- —
- Plugged
- Oct 14, 2011
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 |
|---|---|---|---|---|---|---|
| Riddle Unit 4 G-8-113128 | Marsan (Congl.) | Star One Energy, Inc. | 1 | 0 | 0 | Jan 1993 – Oct 2011 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 229322-99 | Drill | Morrison Energy Company | Feb 13, 1984 | Feb 13, 1984 | — | 3,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-113128 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,509 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 2,476 | -967 |
| Marble Falls | 2,803 | -1,294 |
| Duffer | 2,909 | -1,400 |
| Conglomerate | 3,062 | -1,553 |
| Mississippian | 3,297 | -1,788 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,070 | 3,080 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 125 | 12.25 | 85 S |
| 4.5 | 3,397 | 7.875 | 230 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 | Nov 20, 1984 | Oct 9, 1984 | — |
| 00 | Nov 9, 1984 | Sep 26, 1984 | — |
| 00 | May 22, 1984 | Apr 27, 1984 | — |
| 00 | May 12, 1984 | Apr 27, 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 42-133-35670 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-133-35670 → 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/13335670, documented in the API reference.