WELL · 42-177-31795 · DISTRICT 1
Mills Oil Unit #1
Gonzales County · Horizontal
Mills Oil Unit #1 (API 42-177-31795) is a permitted horizontal well in Gonzales County filed by Lucas Energy, Inc.; no completion report is on file yet.
The RRC has issued 3 drilling permits (amended once) between 1990 and 2009, permitted to 10,938 ft.
Completion filings report 5 formation tops, including Navarro, Taylor, Anacacho, Anachacho.
Its 2 leases have reported 45.6K barrels of oil since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Feb 3, 2017 · 69 permits on file · (830) 672-3177
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Three J Energy, Inc.through Mar 2025 |
| Latest permit | Lucas Energy, Inc.Dec 30, 2009 |
- 10,938
- total depth, ft
- 4
- permits on file
- Dec 30, 2009
- last permit issued
- —
- completed
- 45.6K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Mills Oil Unit O-1-15114 | Pilgrim (Austin Chalk) | Three J Energy, Inc. | 1 | 45.6K | 0 | Sep 2009 – Jul 2026 |
| Mills Oil Unit O-1-12732 | Pilgrim (Austin Chalk) | Tana Oil and Gas Corporation | 1 | 0 | 0 | Jan 1993 – Apr 1993 |
Oil, barrels lease total
Last 12 months 0 · prior 12 53(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Lucas Energy, Inc.Sep 2010 → Sep 2012
- 2Dominion Production Company, LLCJul 2013 → Mar 2020
- 3Three J Energy, Inc.Jul 2021 → Mar 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 689202-99 | Recompletion | Lucas Energy, Inc. | Dec 30, 2009 | Dec 30, 2009 | — | 10,938 |
| 674951-98 | Reenter | Lucas Energy, Inc. | Oct 15, 2009 | Nov 20, 2008 | Aug 3, 2009 | 10,938 |
| 674951-99 | Reenter | Lucas Energy, Inc. | Nov 13, 2008 | Nov 20, 2008 | — | 10,938 |
| 376253-99 | Drill | Tana Oil and Gas Corporation | Aug 6, 1990 | Aug 7, 1990 | Aug 10, 1990 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12732 | — | — | — | — |
| — | — O-1-15114 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 239 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Navarro | 5,972 | -5,733 |
| Taylor | 6,710 | -6,471 |
| Anacacho | 8,005 | -7,766 |
| Anachacho | 8,005 | -7,766 |
| Austin Chalk | 8,122 | -7,883 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,138 | 8,435 | Perforated |
| 8,138 | 8,482 | Perforated |
| 8,150 | 9,566 | Perforated |
| 8,150 | 10,938 | Perforated |
| 8,190 | 8,482 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 890 | 12.25 | 310 S |
| 7 | 8,150 | 8.75 | 1,345 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 | Jan 21, 2011 | Nov 12, 2010 | — |
| 00 | Mar 8, 2010 | Oct 20, 2009 | Yes |
| 00 | Jan 6, 2010 | — | — |
| 00 | Dec 11, 1990 | Oct 4, 1990 | Yes |
| 00 | Nov 30, 1990 | — | — |
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 42-177-31795 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31795 → 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/17731795, documented in the API reference.