WELL · 42-133-31609 · DISTRICT 7
Jan-San 21 #3
Eastland County · Reb (Marble Falls) field · Vertical
Jan-San 21 #3 (API 42-133-31609) is a plugged well in Eastland County, plugged February 19, 2008, last operated by Byrne Oil Company.
The RRC has issued one drilling permit, issued October 10, 1978, permitted to 3,948 ft.
It was permitted by Sledge, H. G. and has since transferred to Byrne Oil Company on the wellbore schedule.
Completion filings report 3 formation tops, including Caddo, Marble Falls, Duffer.
Its 2 leases have reported 4.35K barrels of oil and 124K mcf of gas since January 1993, last reporting in February 2008. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Sledge, H. G.; the EWA schedule now lists a different operator.
Lubbock, TX · P-5 Y, filed Sep 4, 2025 · 42 permits on file · (254) 488-1053
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Byrne Oil Company |
| Production reports | Byrne Oil Companythrough Nov 2007 |
| Latest permit | Sledge, H. G.Oct 10, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,948
- total depth, ft
- 1
- permits on file
- Oct 10, 1978
- last permit issued
- Oct 19, 1978
- completed
- 4.35K
- cumulative oil, bbl
- 124K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 19, 1978
- Shut in
- —
- Plugged
- Feb 19, 2008
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jan-San "21" G-8-218229 | Reb (Marble Falls) | Byrne Oil Company | 1 | 0 | 558 | Jun 2006 – Feb 2008 |
| Jan-San "21" O-8-19031 | Reb (Marble Falls) | Byrne Oil Company | 4 | 4.35K | 124K | Jan 1993 – Jan 2007 |
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.
- 1Sledge, H. G., Inc.Jan 1993 → Mar 1994
- 2Byrne, Robert E.Apr 1994 → Dec 2004
- 3Byrne Oil CompanyJun 2006 → Nov 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 34525-99 | Drill | Sledge, H. G. | Oct 10, 1978 | Oct 10, 1978 | Oct 11, 1978 | 3,948 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-218229 | — | — | — | — |
| — | — O-8-19031 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,630 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 3,256 | -1,626 |
| Marble Falls | 3,546 | -1,916 |
| Duffer | 3,884 | -2,254 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,554 | 3,576 | Perforated |
| 3,554 | 3,727 | Perforated |
| 3,720 | 3,727 | Perforated |
| — | 3,727 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 320 | 11 | 200 S |
| 2.375 | 3,712 | — | — |
| 4.5 | 3,940 | 7.875 | 350 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 | Jan 11, 2007 | Jul 10, 2006 | — |
| 00 | Aug 17, 2006 | — | — |
| 00 | Jan 12, 1984 | Jun 19, 1979 | — |
| 00 | Jan 12, 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 42-133-31609 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-133-31609 → 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/13331609, documented in the API reference.