WELL · 42-331-33477 · DISTRICT 3
Mills-McGee Trust Unit #1
Milam County · Giddings (Buda) field · Horizontal
Mills-Mcgee Trust Unit #1 (API 42-331-33477) is a horizontal well in Milam County operated by Union Pacific Resources Company, completed May 8, 1997.
The RRC has issued one drilling permit (amended once), issued March 10, 1997, permitted to 6,900 ft.
Completion filings report 2 formation tops, including Austin Chalk, Buda.
Its 2 leases have reported 236K barrels of oil and 235K mcf of gas since May 1997, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Union Pacific Resources Company
Fort Worth, TX · P-5 Y, filed Feb 9, 2001 · 5,638 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Union Pacific Resources Company |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Union Pacific Resources CompanyMar 10, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,900
- total depth, ft
- 2
- permits on file
- Mar 10, 1997
- last permit issued
- May 8, 1997
- completed
- 236K
- cumulative oil, bbl
- 235K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 8, 1997
- 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-McGee Trust Unit O-3-23306 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 212K | 187K | May 1997 – Jul 2026 |
| Mills-McGee Trust Unit O-3-23514 | Giddings (Buda) | Union Pacific Resources Company | 1 | 24.3K | 48.3K | May 1997 – Mar 1999 |
Oil, barrels lease total
Last 12 months 4,008 · prior 12 3,196(+25%)
Gas, mcf lease total
Last 12 months 2,379 · prior 12 1,665(+43%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyMay 1997 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Dec 2012
- 4Anadarko E&P Onshore LLCJan 2013 → Aug 2016
- 5Treadstone Energy Prtnr OP, LLCSep 2016 → Nov 2021
- 6LRR Pecos Valley, LLCJan 2022 → Nov 2023
- 7Magnolia Oil & Gas Operating LLCDec 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 459274-98 | Drill | Union Pacific Resources Company | Aug 12, 1997 | Mar 10, 1997 | Mar 21, 1997 | 6,900 |
| 459274-99 | Drill | Union Pacific Resources Company | Feb 28, 1997 | Mar 10, 1997 | — | 6,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-23306 | — | — | — | — |
| — | — O-3-23514 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 363 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkAUSTIN CHALK (TVD) | 5,778 | -5,415 |
| Austin ChalkTOP AUSTIN CHALK | 5,778 | -5,415 |
| Austin ChalkAUSTIN CHALK (MD) | 5,863 | -5,500 |
| Buda | 6,252 | -5,889 |
| BudaBUDA (TVD) | 6,252 | -5,889 |
| BudaBUDA (MD) | 6,604 | -6,241 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,771 | 5,862 | Perforated |
| 5,794 | 5,820 | Perforated |
| 5,820 | 10,355 | Perforated |
| 5,862 | 11,169 | Perforated |
| 5,876 | 10,355 | Perforated |
| 6,048 | 11,169 | Perforated |
| 6,242 | 6,253 | Perforated |
| 6,253 | 11,270 | Perforated |
| 6,625 | 11,270 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,340 | 14.75 | 650 S |
| 7.625 | 6,625 | 9.875 | 450 S |
| — | 6,625 | 9.875 | 450 S |
| 7.625 | — | 9.09 | 455 S |
| 7.625 | — | 9.875 | 455 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 | Apr 13, 1999 | Feb 26, 1999 | — |
| 00 | Apr 5, 1999 | Feb 26, 1999 | — |
| 00 | Aug 27, 1998 | May 18, 1998 | Yes |
| 00 | Jul 24, 1998 | — | — |
| 00 | Oct 7, 1997 | Jun 27, 1997 | Yes |
| 00 | Oct 2, 1997 | — | — |
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 42-331-33477 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-331-33477 → 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/33133477, documented in the API reference.