OPERATORS · RRC 523628 · P-5 STATUS Y
Mamerow Engy Corp
Ganado, TX
Watch this operatorMamerow Engy Corp has filed no drilling permits in the past 12 months; its most recent permit was issued August 21, 2025.
The RRC wellbore file lists 2 wells under its operatorship.
Lease reports credit it with 19.6K barrels of oil and 0 mcf of gas in the 12 months reported through April 2026, up 13% on the year before.
It holds 2 active disposal or injection permits, injecting 267K barrels in the 12 months reported through June 2025.
7 drilling permits have been issued to this operator number since 2015; its P-5 organization report was last filed December 4, 2025.
- 0
- permits, last 12 months
- -100%
- vs prior 12 months (1)
- 0
- counties, 12 months
- 0
- producing wells, of 2 of record
- 8
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 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.
- 71%
- spud rate · 5 of 7 mature permits
- 18
- median days permit to spud · middle half 9–45
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 2
- expired undrilled
- 1
- permits a year over 10 active years
Permits issued by month
LAST 4 MONTHS · BY ISSUE DATE
Last 12 months 5
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
All 7 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 |
|---|---|---|
| Frio | 2 | 0 |
| Catahoula | 1 | 0 |
| Miocene (undifferentiated) | 1 | 0 |
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 →
- 19.6K
- bbl oil, last 12 reported months
- +13%
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 160K
- bbl oil since reporting began
Oil, barrels
Last 12 months 19,621 · prior 12 17,307(+13%)
Gas, mcf
Last 12 months 0 · prior 12 4,519(-100%)
Beyond the permit record
RRC wellbore file
Wells of record
- 2
- on the schedule
- 0
- producing
- 0
- shut in
- 1
- injection
- 0
- temp. abandoned
- 0
- plugged
How it got them
- 1
- permitted itself
- 1
- acquired from others
- 2
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 2
- active UIC permits of 4
- 5.5K
- permitted bbl/day, active
- 267K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Jackson | 2 active | 5.5K bbl/d |
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 |
|---|---|---|---|
| Reenter | 0 | 1 | 6 |
| Recompletion | 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 |
|---|---|---|
| Ganado (5400)33889910 | 1 | 0 |
| LA Salle (7150)51025980 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Dec 4, 2025
- Gas operatorOil operator
- Address
- 412 Ash Dr.
- Ganado, TX 77962
- (361) 771-5515
- Officers and agents
- Mamerow, Donald Raymond II · President,vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 909939 | Aug 21, 2025 | Aug 21, 2025 | Mamerow Energy Corp | Jackson | Hess #2A | 6,718 | 23931455 |
| 898537 | May 20, 2024 | May 20, 2024 | Mamerow Energy Corp | Jackson | John Machycek #2 | 5,850 | 23900722 |
| 893503 | Sep 8, 2023 | Sep 8, 2023 | Mamerow Energy Corp | Jackson | Hess #1 | 5,600 | 23931367 |
| 884590 | Oct 11, 2022 | Oct 11, 2022 | Mamerow Energy Corp | Jackson | Hess #3 | 5,900 | 23931821 |
| 884590 | Oct 11, 2022 | Oct 11, 2022 | Mamerow Energy Corp | Jackson | Hess #3 | 6,800 | 23931821 |
| 834756 | Jan 11, 2018 | Jan 11, 2018 | Mamerow Energy Corp | Jackson | McCrory, W. W. #2 | 6,371 | 23932390 |
| 811255 | Oct 22, 2015 | Oct 22, 2015 | Mamerow Energy Corp | Jackson | Bennett, et AL #1 | 7,300 | 23933376 |
| 619301 | May 16, 2006 | May 16, 2006 | Acock/Anaqua Operating Co., LP | Jackson | Bennett, et AL #1 | 7,600 | 23933376 |
| 330618 | Jul 10, 1987 | Jul 10, 1987 | Texaco Inc. | Jackson | Robertson Gas Unit #7 | 7,000 | 23932350 |
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 at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/523628, documented in the API reference.