WELL · 42-041-31046 · DISTRICT 3
Leon Cash Unit #1
Brazos County · Stone City (Austin Chalk) field · Vertical
Leon Cash Unit #1 (API 42-041-31046) is a plugged well in Brazos County, plugged September 13, 2023, last operated by Apache Corporation.
The RRC has issued 2 drilling permits between 1983 and 2008, permitted to 8,000 ft.
Completion filings report 4 formation tops, including Austin Chalk, False Buda, Buda, Georgetown.
Its 2 leases have reported 28.1K barrels of oil and 44.3K mcf of gas since January 1993, last reporting in November 2023. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Wildfire Energy Operating LLCthrough Jul 2023 |
| Latest permit | Apache CorporationMar 4, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 2
- permits on file
- Mar 4, 2008
- last permit issued
- Dec 20, 1983
- completed
- 28.1K
- cumulative oil, bbl
- 44.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 20, 1983
- Shut in
- —
- Plugged
- Sep 13, 2023
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 |
|---|---|---|---|---|---|---|
| Leon Cash Unit O-3-25139 | Giddings (Eagleford) | Wildfire Energy Operating LLC | 1 | 6.04K | 879 | Feb 2008 – Nov 2023 |
| Leon Cash Unit O-3-17382 | Stone City (Austin Chalk) | Apache Corporation | 1 | 22.1K | 43.4K | Jan 1993 – May 2022 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1MW Petroleum CorporationJan 1993 → Aug 1998
- 2Apache CorporationSep 1998 → May 2016
- 3Marlin Energy Resources, LLCSep 2016 → Aug 2017
- 4Hawkwood Energy Operating, LLCOct 2017 → Nov 2019
- 5Wildfire Energy Operating LLCMay 2022 → Jul 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 655937-99 | Recompletion | Apache Corporation | Feb 23, 2008 | Mar 4, 2008 | Jan 17, 2008 | 8,000 |
| 220361-99 | Drill | Amoco Production Co.-Alvin | Nov 9, 1983 | Nov 9, 1983 | — | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-17382 | — | — | — | — |
| — | — O-3-25139 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,424 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,128 | -4,704 |
| False Buda | 7,604 | -5,180 |
| Buda | 7,652 | -5,228 |
| Georgetown | 7,710 | -5,286 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,190 | 7,208 | Perforated |
| 7,212 | 7,224 | Perforated |
| 7,227 | 7,235 | Perforated |
| 7,239 | 7,248 | Perforated |
| 7,252 | 7,264 | Perforated |
| 7,399 | 7,544 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 3,256 | 12.25 | 1,700 S |
| 5.5 | 7,894 | 7.875 | 600 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 12, 2008 | Mar 12, 2008 | Yes |
| 00 | Apr 30, 2008 | — | — |
| 00 | Apr 12, 1984 | Feb 21, 1984 | Yes |
| 00 | Mar 22, 1984 | Feb 21, 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 42-041-31046 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31046 → 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/04131046, documented in the API reference.