OPERATORS · RRC 735144  · P-5 STATUS Y

Rusk Engy Oper LLC

Houston, TX · most active in DE Witt County

Watch this operator

Rusk Engy Oper LLC was issued 2 drilling permits in the past 12 months, versus 1 in the prior year, across 2 counties led by De Witt with 1. 0% were horizontal.

1 was issued in the past 90 days, after a quiet prior quarter.

The RRC wellbore file lists 204 wells under its operatorship (108 producing, 23 shut in).

Lease reports credit it with 138K barrels of oil and 161K mcf of gas in the 12 months reported through April 2026, down 6% on the year before.

It holds 26 active disposal or injection permits, injecting 3.01M barrels in the 12 months reported through June 2025.

16 drilling permits have been issued to this operator number since 2019; its P-5 organization report was last filed November 4, 2025.

2
permits, last 12 months
+100%
vs prior 12 months (1)
2
counties, 12 months
108
producing wells, of 204 of record
160
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.

60%
spud rate · 9 of 15 mature permits
51
median days permit to spud · middle half 20–60
0
spuds, last 180 days
0%
cancelled · 0 permits
7
expired undrilled
2
permits a year over 8 active years

Permits issued by month

LAST 6 MONTHS · BY ISSUE DATE

Last 12 months 11

024202420252026

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
DE Witt county →110Oct 1, 2026
Jefferson county →110Mar 5, 2026
Houston county →—747Jan 9, 2024
Tyler county →—76Mar 11, 2025

All 16 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 →

FormationWellsPermitted last 3 yrs
Wilcox63
Yegua31
Vicksburg21
Frio21
Miocene (undifferentiated)21
Carrizo10

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 →

138K
bbl oil, last 12 reported months
-6%
vs the 12 months before
161K
mcf gas incl. casinghead, last 12
1.12M
bbl oil since reporting began

Oil, barrels

Last 12 months 137,837 · prior 12 146,931(-6%)

010K20K202420252026

Gas, mcf

Last 12 months 161,204 · prior 12 181,704(-11%)

010K20K30K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

204
on the schedule
108
producing
23
shut in
7
injection
9
temp. abandoned
26
plugged

How it got them

10
permitted itself
115
acquired from others
0
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

26
active UIC permits of 35
109K
permitted bbl/day, active
3.01M
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Leon11 active33K bbl/d
Houston6 active27.5K bbl/d
Polk1 active25K bbl/d
Tyler1 active10K bbl/d
Colorado2 active7K bbl/d
Milam4 active3.8K bbl/d
Matagorda1 active3K 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 →

Type12 moPrior 12All time
Drill2013
Recompletion013

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.

P-5 organization report

As registered with the RRC. About the P-5 →

Registration
Status code Y
Last filed Nov 4, 2025
Gas operatorOil operator
Address
7600 W Tidwell RD Ste 800
Houston, TX 77040
(713) 252-6566
Officers and agents
Marshall, Preston · President,ceo
Engelstad, Derek · Vice President,executive
Kervin, Robert · Vice President,executive
Rusk Energy Corporation · Director,owner

Latest permits

NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
918996Oct 3, 2026Oct 1, 2026Rusk Energy Operating LLCDE WittKahlich Gas Unit #111,00012335847
913843Mar 5, 2026Mar 5, 2026Rusk Energy Operating LLCJeffersonSpindletop Bayou #111,50024532935
906507Mar 11, 2025Mar 11, 2025Rusk Energy Operating LLCTylerJacks Creek Oil Unit 2 #39,00045730935
902230Sep 6, 2024Sep 6, 2024Strand Energy, L.C.ColoradoColumbus Field Unit #51013,00008932778
889592Jan 9, 2024Jan 9, 2024Rusk Energy Operating LLCHoustonTrinity State Bank #153,00022531428
889587Jan 9, 2024Jan 9, 2024Rusk Energy Operating LLCHoustonMollie Shaw #313,00022531426
889578May 22, 2023May 22, 2023Rusk Energy Operating LLCTylerBlackstone #19,00045730934
890355May 12, 2023May 12, 2023Rusk Energy Operating LLCTylerJacks Creek Oil Unit 2 #28,60345730633
889832Apr 24, 2023Apr 24, 2023Rusk Energy Operating LLCTylerJacks Creek Oil Unit 2 #39,00045730935
889832Apr 24, 2023Apr 24, 2023Rusk Energy Operating LLCTylerJacks Creek Oil Unit 2 #39,00045730935
889832Apr 24, 2023Apr 24, 2023Rusk Energy Operating LLCTylerJacks Creek Oil Unit 2 #39,00045730935
889589Apr 10, 2023Apr 10, 2023Rusk Energy Operating LLCHoustonMollie Shaw #373,00022531427
861251Jan 28, 2020Jan 28, 2020Rusk Energy Operating LLCHoustonMollie Shaw #363,50022531418
860902Jan 28, 2020Jan 28, 2020Rusk Energy Operating LLCHoustonTrinity State Bank #143,50022531417
860901Jan 28, 2020Jan 28, 2020Rusk Energy Operating LLCHoustonMollie Shaw #353,50022531416

Full permit history →

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/735144, documented in the API reference.