OPERATORS · TEXAS · P-5 NUMBER 567496
Millennium Exploration Co. LLC
- P-5 status
- Active (A)
- P-5 last filed
- Dec 4, 2025
- Based in
- San Antonio, TX
Millennium Exploration CO. LLC has filed no drilling permits in the past 12 months; its most recent permit was issued October 14, 2025.
The RRC wellbore file lists 66 wells under its operatorship (14 producing, 6 shut in).
Lease reports credit it with 18.4K barrels of oil and 242K mcf of gas in the 12 months reported through April 2026, down 33% on the year before.
It holds 1 active disposal or injection permit, injecting 63.7K barrels in the 12 months reported through June 2025.
31 drilling permits have been issued to this operator number since 2011; its P-5 organization report was last filed December 4, 2025.
- 0
- permits, last 12 months
- -100%
- vs prior 12 months (2)
- 0
- counties, 12 months
- 14
- producing wells, of 66 of record
- 50
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 84%
- spud rate · 26 of 31 mature permits
- 43
- median days permit to spud · middle half 21–110
- 0
- spuds, last 180 days
- 0%
- canceled · 0 permits
- 4
- expired undrilled
- 2
- permits a year over 14 active years
Permits issued by month
LAST 60 MONTHS · BY ISSUE DATE
Last 12 months 0 · prior 12 2(-100%)
Counties
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Gonzales county → | — | 11 | 4 | Dec 28, 2023 |
| Matagorda county → | — | 3 | 0 | Oct 9, 2019 |
| Caldwell county → | — | 2 | 24 | Aug 6, 2024 |
| Colorado county → | — | 2 | 1 | Nov 21, 2017 |
| Lavaca county → | — | 2 | 0 | May 24, 2019 |
| Polk county → | — | 2 | 0 | Mar 12, 2019 |
| Refugio county → | — | 2 | 0 | Jan 29, 2018 |
| Wharton county → | — | 2 | 0 | Aug 17, 2018 |
| Bee county → | — | 1 | 0 | Oct 21, 2011 |
| Brazoria county → | — | 1 | 0 | Jun 6, 2013 |
| Brooks county → | — | 1 | 12 | Apr 22, 2025 |
| Jim Hogg county → | — | 1 | 2 | Oct 14, 2025 |
| Leon county → | — | 1 | 0 | Nov 17, 2014 |
All 31 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Austin Chalk | 9 | 1 |
| Frio | 8 | 1 |
| Wilcox | 6 | 1 |
| Navarro | 5 | 1 |
| Carrizo | 4 | 1 |
| Anahuac | 4 | 0 |
| Anacacho | 4 | 0 |
| Reklaw | 3 | 0 |
| Eagle Ford | 3 | 1 |
| Miocene (undifferentiated) | 3 | 0 |
| Yegua | 2 | 1 |
| Pecan Gap | 2 | 0 |
| Jackson | 1 | 1 |
| Queen City | 1 | 1 |
| Midway | 1 | 1 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 18.4K
- bbl oil, last 12 reported months
- -33%
- vs the 12 months before
- 242K
- mcf gas incl. casinghead, last 12
- 360K
- bbl oil since reporting began
12 months through Apr 2026 18,425 · prior 12 27,337(-33%)
Millennium Exploration Co. LLC: Oil by month.
Beyond the permit record
RRC wellbore file
Wells of record
How it got them
Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 2K
- permitted bbl/day, active
- 63.7K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Caldwell | 1 active | 2K bbl/d |
All 1 permits, with volumes → · On the map →
Permitted volume is a ceiling, not throughput. How to read it →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 25 |
| Recompletion | 0 | 2 | 5 |
| Reenter | 0 | 0 | 1 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Luling-Branyon55679001 | 24 | 3 |
| McCampbell (Deep Frio Cons.)58862080 | 21 | 3 |
| Flowella (Vicksburg Deep)31591400 | 5 | 3 |
| First Shot (Austin Chalk)30967100 | 3 | 1 |
| Flowella W. (Vksbg. 4.5.6)31597490 | 2 | 1 |
| Flowella (Nolle Sand)31591300 | 1 | 1 |
| Flowella (Vicksburg 3)31591465 | 1 | 0 |
| Saturn (Navarro)81218500 | 1 | 0 |
| Travis Ward (Queen City)90994400 | 1 | 1 |
| Travis Ward (Wilcox)90994500 | 1 | 0 |
| Ann Mag (7700 Frio)2971580 | 1 | 0 |
| Wildcat12001 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status Active (A)
- Last filed Dec 4, 2025
- Gas operatorOil operator
- Address
- 211 N Loop 1604 E NO 220
- San Antonio, TX 78232
- (210) 960-1000
- Officers and agents
- Monroy, Richard · Texas Resident Agent
- Monroy, Richard · President,secretary
- Russell, Jerry · Filing Agent
- Kamenick, Lisa · Other
- Staples, David · Filing Agent
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Summary figures are rebuilt nightly. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/operators/tx/567496, documented in the API reference.