OPERATORS · RRC 153471 · P-5 STATUS Y
Cimarron Engineering, LLC
Kingsville, TX · most active in Duval County
Watch this operatorCimarron Engineering, LLC was issued 6 drilling permits in the past 12 months, versus 5 in the prior year, across 5 counties led by Duval with 2. 0% were horizontal.
2 were issued in the past 90 days, versus 3 in the prior quarter.
The RRC wellbore file lists 88 wells under its operatorship (22 producing, 6 shut in).
Lease reports credit it with 45.6K barrels of oil and 938K mcf of gas in the 12 months reported through April 2026, down 9% on the year before.
It holds 1 active disposal or injection permit, injecting 63 barrels in the 12 months reported through June 2025.
93 drilling permits have been issued to this operator number since 2014; its P-5 organization report was last filed September 4, 2025.
- 6
- permits, last 12 months
- +20%
- vs prior 12 months (5)
- 5
- counties, 12 months
- 22
- producing wells, of 88 of record
- 96
- leases it reports
- 0%
- 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.
- 91%
- spud rate · 80 of 88 mature permits
- 27
- median days permit to spud · middle half 11–45
- 0
- spuds, last 180 days -100%
- 0%
- cancelled · 0 permits
- 13
- expired undrilled
- 7
- permits a year over 13 active years
Permits issued by month
LAST 26 MONTHS · BY ISSUE DATE
Last 12 months 15 · prior 12 17(-12%)
Where
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 |
|---|---|---|---|---|
| Duval county → | 2 | 5 | 1 | Jun 29, 2026 |
| Jim Wells county → | 1 | 32 | 21 | Dec 29, 2025 |
| Live Oak county → | 1 | 8 | 22 | Jun 24, 2026 |
| Brazoria county → | 1 | 6 | 4 | Aug 5, 2026 |
| Kleberg county → | 1 | 1 | 0 | Jul 31, 2026 |
| Nueces county → | — | 14 | 11 | Apr 27, 2023 |
| Bee county → | — | 7 | 3 | Dec 15, 2022 |
| Goliad county → | — | 4 | 2 | May 6, 2022 |
| San Patricio county → | — | 4 | 1 | Jun 21, 2021 |
| DE Witt county → | — | 2 | 5 | Apr 4, 2023 |
| Fayette county → | — | 2 | 2 | Oct 20, 2021 |
| Fort Bend county → | — | 1 | 0 | Jul 1, 2015 |
| Hardin county → | — | 1 | 1 | Jan 31, 2023 |
| Jim Hogg county → | — | 1 | 0 | Apr 11, 2017 |
| Newton county → | — | 1 | 1 | Jan 3, 2020 |
| Orange county → | — | 1 | 1 | Oct 13, 2021 |
| Refugio county → | — | 1 | 1 | Apr 11, 2022 |
| Wharton county → | — | 1 | 1 | Nov 27, 2023 |
| Wilson county → | — | 1 | 1 | May 27, 2022 |
All 93 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 |
|---|---|---|
| Catahoula | 43 | 10 |
| Miocene (undifferentiated) | 40 | 11 |
| Vicksburg | 39 | 9 |
| Frio | 19 | 2 |
| Jackson | 16 | 1 |
| Yegua | 9 | 2 |
| Wilcox | 3 | 0 |
| Caprock | 1 | 0 |
| Navarro | 1 | 0 |
| Anacacho | 1 | 0 |
| Olmos | 1 | 0 |
| Austin Chalk | 1 | 0 |
| Eagle Ford | 1 | 0 |
| Buda | 1 | 0 |
| Georgetown | 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 →
- 45.6K
- bbl oil, last 12 reported months
- -9%
- vs the 12 months before
- 938K
- mcf gas incl. casinghead, last 12
- 523K
- bbl oil since reporting began
Gas, mcf
Last 12 months 937,578 · prior 12 1,207,557(-22%)
Oil, barrels
Last 12 months 45,646 · prior 12 50,186(-9%)
Beyond the permit record
RRC wellbore file
Wells of record
- 88
- on the schedule
- 22
- producing
- 6
- shut in
- 0
- injection
- 2
- temp. abandoned
- 47
- plugged
How it got them
- 46
- permitted itself
- 31
- acquired from others
- 27
- 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
- 1
- active UIC permits of 3
- 1.5K
- permitted bbl/day, active
- 63
- bbl injected, last 12 reported months
- Jun 2025
- reported through
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 | 6 | 5 | 86 |
| Reenter | 0 | 0 | 4 |
| Recompletion | 0 | 0 | 3 |
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 |
|---|---|---|
| Ramirena SW. (Sec. B a Sand)74429231 | 8 | 0 |
| Ramirena SW. (Yegua 3)74429759 | 6 | 0 |
| Alice SE. (Scheel)1521664 | 3 | 2 |
| Lopez Ranch (Consolidated)54895400 | 2 | 2 |
| Arneckeville (Yegua 4910)3690805 | 2 | 1 |
| Pegasus Gulf Coast (Big Gas Sd.)70292100 | 2 | 2 |
| Agua Dulce (Consolidated Frio)832092 | 2 | 0 |
| Cistern18322001 | 2 | 0 |
| Hartburg39422001 | 2 | 0 |
| Alice North (5150)1517875 | 1 | 0 |
| Alice North (4800)1517750 | 1 | 0 |
| Alice1514001 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Sep 4, 2025
- Gas operatorOil operator
- Address
- PO Box 1536
- Kingsville, TX 78364
- (361) 522-2053
- Officers and agents
- Geryk, James L. · President
- Geryk, Carol · Treasurer
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 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/153471, documented in the API reference.