Texas operator · P-5 567496
Millennium Exploration Co. LLC
Facts and their sources. No rating, no opinion.
The record
What the state's files show about Millennium Exploration Co. LLC
Railroad Commission record
Who the state lists
The Railroad Commission lists this company as an operator: it reports wells and leases in Texas.
- Name on file
- MILLENNIUM EXPLORATION CO. LLC
- Operator number (P-5)
- 567496
- P-5 status
- Active
- Organization type
- Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
- Location
- San Antonio, TX
- Mailing city
- San Antonio, TX
- Activities filed
- Gas Operator, Oil Operator
- Last P-5 received
- December 4, 2025
- Record built
- December 8, 2011
- Inactive since
- November 30, 2012
- Refiling required
- Yes
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Comptroller and Secretary of State
The business entity on file
- Legal name
- MILLENNIUM EXPLORATION COMPANY LLC
- Taxpayer number
- 32020291228
- Entity type
- Texas limited liability company
- Secretary of State file number
- 0800686097
- Secretary of State status
- Active (July 28, 2006)
- Right to transact business in Texas
- Active
- Formed
- July 28, 2006
- Formed in
- TX
- Mailing city
- San Antonio, TX
Source: Texas Comptroller, franchise tax permit holder file (data.texas.gov), as of September 26, 2026.
Look it up yourself: Secretary of State business filings (search for file number 0800686097), Comptroller account status.
Production
What the state's reports show
- Oil, last 12 months
- 12,915 barrels
- Down 41.8% from the 12 months before
- Gas, last 12 months
- 221,719 mcf
- Up 217.1% from the 12 months before
Oil reported each month, in barrels
- Jul 202665
- Jun 2026185
- May 2026132
- Apr 2026825
- Mar 20261,025
- Feb 20261,056
- Jan 20261,330
- Dec 20251,309
- Nov 20251,365
- Oct 20251,837
- Sep 20251,959
- Aug 20251,827
Source: Railroad Commission of Texas, production data query, as of July 1, 2026.
Drilling permits
Permits filed with the state
5 drilling permits in the last three years: 1 in 2023, 2 in 2024, 2 in 2025. A permit is permission to drill. It is not a well.
| Issued | Lease, county and type |
|---|---|
| 2025-10-14 | LAURO LOPEZ #18Jim Hogg County · Vertical |
| 2025-04-22 | GARCIA BENAVIDES GAS UNIT 2 #1Brooks County · Vertical |
| 2024-08-06 | SECRETARIAT #2SWCaldwell County · Vertical |
| 2024-07-10 | SECRETARIAT #1HCaldwell County · Horizontal |
| 2023-12-28 | DENALI #1Gonzales County · Vertical |
Source: Railroad Commission of Texas, drilling permit records.
Leases
Leases this company operates
39 leases on the state record, 6 with production in the last twelve months. The largest by production:
- Garcia-Rupp Gas UnitBrooks County · 1,896 bbl of oil
- Lewis & Clark 'S'Gonzales County · 5,801 bbl of oil
- SecretariatCaldwell County · 3,705 bbl of oil
- Chalk Talk AGonzales County · 1,750 bbl of oil
- Noll Sand Gas UnitBrooks County · 185 bbl of oil
- Garcia-Rupp Gas UnitBrooks County · 326 bbl of oil
- Rupp Gas Unit 2Brooks County · 225 bbl of oil
- Rupp-Nichols Gas UnitBrooks County · 125 bbl of oil
- Dorn-Reece UnitCaldwell County · 518 bbl of oil
- Lauro LopezJim Hogg County · 4,542 mcf of gas
- Cosey-Dorn -A-Caldwell County · 134 bbl of oil
- Gibson & SienAransas County · 335 mcf of gas
- Garcia-Benavides Gas Unit 2Brooks County · nothing reported in 12 months
- Davis Gas UnitAransas County · nothing reported in 12 months
- Grant "A"Aransas County · nothing reported in 12 months
- Flinn, Et Al UnitAransas County · nothing reported in 12 months
- Baxter Gibson SienAransas County · nothing reported in 12 months
- GrantAransas County · nothing reported in 12 months
- RunnellsMatagorda County · nothing reported in 12 months
- Gibson/SienAransas County · nothing reported in 12 months
- DenaliGonzales County · nothing reported in 12 months
- Grant "A"Aransas County · nothing reported in 12 months
- Gibson & SienAransas County · nothing reported in 12 months
- Vela, RobertoZapata County · nothing reported in 12 months
- DavisAransas County · nothing reported in 12 months
Operator changes
Leases this company took over or handed over
30 taken over and 9 handed over since the state's history begins; 1 and 0 in the last twelve months. The month is the first month the change shows in production reports.
- Took over Lopez, Lauro, Jim Hogg CountyApr 2026 · from Ineos USA Oil & Gas LLC
- Handed over Chalk Talk, Gonzales CountyMay 2025 · to Mag Exploration LLC
- Took over Rupp, Brooks CountyMay 2025 · from Texron Operating, LLC
- Took over Dorn-Reece Unit, Caldwell CountyApr 2025 · from Sotol Energy, Inc.
- Took over Cosey-Dorn -A-, Caldwell CountyApr 2025 · from Sotol Energy, Inc.
- Took over Gibson & Sien, Aransas CountyNov 2024 · from Texron Operating, LLC
- Took over Davis Gas Unit, Aransas CountyNov 2024 · from Texas Independent Explor Ltd.
- Took over Grant "A", Aransas CountyNov 2024 · from Texas Independent Explor Ltd.
- Took over Grant "A", Aransas CountyNov 2024 · from Texas Independent Explor Ltd.
- Took over Gibson/Sien, Aransas CountyNov 2024 · from Texas Independent Explor Ltd.
- Took over Davis Gas Unit, Aransas CountyOct 2024 · from Texron Operating, LLC
- Took over Grant "A", Aransas CountyOct 2024 · from Texron Operating, LLC
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when Millennium Exploration Co. LLC files a drilling permit, completes a well or reports first production. Free with an account.
A paper from this company
A division order, a lease, a buyout offer or a letter: upload it and we say what it is, what it asks and which terms deserve a question.
FAQ
Questions people ask
Who is Millennium Exploration Co. LLC?
The Railroad Commission lists Millennium Exploration Co. LLC as operator number 567496, P-5 active, in San Antonio, TX. Its leases reported 12,915 barrels of oil and 221,719 mcf of gas in the last twelve months.
Is Millennium Exploration Co. LLC a registered business in Texas?
The Comptroller's franchise tax file lists a business entity that matches the company: MILLENNIUM EXPLORATION COMPANY LLC, a texas limited liability company, Secretary of State status Active, right to transact business in Texas: Active. Confirm it in the Secretary of State's business search.
How much oil and gas did Millennium Exploration Co. LLC report?
In the last twelve months the leases Millennium Exploration Co. LLC operates reported 12,915 barrels of oil and 221,719 mcf of gas to the Railroad Commission, through July 1, 2026. It has 39 leases on the state record, 6 with production in that time.
How many drilling permits has Millennium Exploration Co. LLC filed?
5 drilling permits in the last three years in the permit feed this site reads. A permit is permission to drill, not a well: many are never drilled.
I got a letter or an offer from Millennium Exploration Co. LLC: what should I do?
Do not sign or call yet. Keep every page and the envelope, compare the paper with your deed, lease and last statements, and answer in writing. You can upload the letter to have it read: it says what kind of paper it is, what it asks, and which terms deserve a question, quoting the words they come from.
Where does this page's information come from, and how current is it?
The record is the Railroad Commission's P-5 Organization Report file, dated September 22, 2026. The entity is the Comptroller's franchise tax file. Production, permits and leases are the Commission's own reports. The page shows no rating and no opinion.
Related
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- ToolTexas well watchPermit, completion, first production and when the first check is due.
- Texas dataTexas operator changesWho took over whose leases in the last 24 months.
- CheckCheck my statementUpload a stub. Every month against the state record.
- HelpTexas division ordersWhat you may sign, what you may refuse, what to check.
Sources
Primary sources, opened on 29 September 2026. Statute text is the current version on statutes.capitol.texas.gov.