WELL · 42-289-31210 · DISTRICT 5
Fossil Jan Unit #1
Leon County · Hilltop Resort (Austin Chalk) field · Horizontal
Fossil Jan Unit #1 (API 42-289-31210) is a plugged horizontal well in Leon County, plugged March 5, 2026, last operated by Contrast Energy LLC.
The RRC has issued one drilling permit, issued August 3, 1994, permitted to 6,500 ft.
It was permitted by United Oil & Minerals, Inc. and has since transferred to Contrast Energy LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Gober Lime, Austin Chalk.
Its lease has reported 210K barrels of oil and 2.08K mcf of gas since September 1994, last reporting in May 2026.
Operator of record
Permitted by United Oil & Minerals, Inc.; the EWA schedule now lists a different operator.
Tulsa, OK · P-5 Y, filed Nov 4, 2025 · (800) 251-3098
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Contrast Energy LLC |
| Production reports | Rivershore Operating LLCthrough Feb 2018 |
| Latest permit | United Oil & Minerals, Inc.Aug 3, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,500
- total depth, ft
- 1
- permits on file
- Aug 3, 1994
- last permit issued
- Sep 19, 1994
- completed
- 210K
- cumulative oil, bbl
- 2.08K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1994 THROUGH May 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 19, 1994
- Shut in
- —
- Plugged
- Mar 5, 2026
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 |
|---|---|---|---|---|---|---|
| Fossil Jan Unit O-5-3495 | Hilltop Resort (Austin Chalk) | Contrast Energy, LLC | 1 | 210K | 2.08K | Sep 1994 – May 2026 |
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.
- 1United Oil & Minerals, Inc.Sep 1994 → Jan 1999
- 2Stratco Operating Co., Inc.Feb 1999 → Feb 2003
- 3Cambrian Management LtdMar 2003 → Mar 2004
- 4Palisades Operating CompanyApr 2004 → Sep 2009
- 5Gastar Exploration Texas, LPOct 2009 → Sep 2013
- 6Fossil Operating, Inc.Oct 2013 → Sep 2016
- 7Rivershore Operating LLCOct 2016 → Feb 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 426556-99 | Drill | United Oil & Minerals, Inc. | Aug 3, 1994 | Aug 3, 1994 | Aug 5, 1994 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-5-3495 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 445 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Gober Lime | 5,710 | -5,265 |
| Austin Chalk | 5,925 | -5,480 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,176 | 9,757 | Perforated |
| 6,176 | 10,129 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 840 | 12.5 | 350 S |
| 5.5 | 5,829 | 7.875 | 180 S |
| 5.5 | — | 7.875 | 345 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 | May 18, 1995 | Dec 1, 1994 | Yes |
| 00 | Apr 14, 1995 | — | — |
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 42-289-31210 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-289-31210 → 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/28931210, documented in the API reference.