OPERATORS · RRC 252131  · P-5 STATUS Y

Enervest Oper, L.L.C

Houston, TX · most active in Hemphill County

Watch this operator

Enervest Oper, L.L.C was issued 1 drilling permit in the past 12 months, after a quiet prior year, all in Hemphill County. 0% were horizontal.

None were issued in the past 90 days.

The RRC wellbore file lists 309 wells under its operatorship.

1,249 drilling permits have been issued to this operator number since 1995; its P-5 organization report was last filed October 4, 2025.

1
permits, last 12 months
—
vs prior 12 months (0)
1
counties, 12 months
0
producing wells, of 309 of record
344
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.

75%
spud rate · 937 of 1,249 mature permits
48
median days permit to spud · middle half 25–93
0
spuds, last 180 days
0%
cancelled · 0 permits
312
expired undrilled
39
permits a year over 32 active years

Permits issued by month

LAST 1 MONTHS · BY ISSUE DATE

Last 12 months 1

01

Where

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

County12 moAll timeWellsLast
Hemphill county →11312Mar 6, 2026
Parker county →—16612Jan 7, 2015
Wise county →—1408Jun 8, 2018
Karnes county →—1143Dec 31, 2018
Rusk county →—861Sep 15, 2010
Denton county →—834Feb 28, 2017
Harrison county →—750Feb 4, 2013
Washington county →—6711May 18, 2018
Tarrant county →—5714Nov 13, 2015
Martin county →—550Mar 12, 2014
Brazos county →—4630Dec 13, 2013
Fayette county →—4028Jun 25, 2018
Montague county →—392Feb 24, 2015
Runnels county →—340Aug 4, 2010
Mitchell county →—320May 2, 2005
Lee county →—3118Sep 30, 2018
Wheeler county →—3125Nov 29, 2017
Coke county →—212May 12, 2010
Andrews county →—205Feb 25, 2014
Jasper county →—134Jun 30, 2010
Madison county →—102May 22, 2013
Hood county →—90Oct 5, 2015
Crockett county →—71Jul 16, 2012
Brazoria county →—68Nov 14, 2003
Gonzales county →—60Jan 27, 2017
Grimes county →—65Apr 16, 2014
Johnson county →—64Aug 28, 2017
Sutton county →—665Mar 16, 2018
Panola county →—50Aug 11, 2012
Burleson county →—46Sep 11, 2012
Howard county →—40May 20, 2005
Ochiltree county →—41Mar 27, 2013
Atascosa county →—30Jun 9, 2017
Borden county →—21Dec 31, 1996
Freestone county →—20May 19, 2011
Gaines county →—11Mar 12, 1997
Lipscomb county →—13Apr 30, 2014
Orange county →—10Mar 9, 2001
Roberts county →—11Feb 19, 2016
Smith county →—10Oct 9, 2012
Zapata county →—11Mar 9, 2000

All 1,249 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
Barnett2580
Marble Falls2150
Austin Chalk1570
Strawn1360
Wilcox1290
Caddo1150
Carrizo840
Reklaw830
Travis Peak795
Queen City790
Yegua780
Atoka700
Clear Fork680
Pettit676
Forestburg590

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 →

0
bbl oil, last 12 reported months
—
vs the 12 months before
0
mcf gas incl. casinghead, last 12
39.7M
bbl oil since reporting began

No lease production reported under this operator number in the last three years.

Beyond the permit record

RRC wellbore file

Wells of record

309
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
256
plugged

How it got them

19
permitted itself
250
acquired from others
695
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

0
active UIC permits of 29
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

King0 active0 bbl/d
Ector0 active0 bbl/d
Coke0 active0 bbl/d
Mitchell0 active0 bbl/d
Runnels0 active0 bbl/d
Eastland0 active0 bbl/d
Sterling0 active0 bbl/d
Andrews0 active0 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
Recompletion10156
Drill001,064
Field transfer0024
Reclass003
Reenter001
Other001

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 Oct 4, 2025
CSGD/GG/PURGas gatheringGas operator
Address
Attn Regulatory Compliance 1001 Fannin Ste 800
Houston, TX 77002
(713) 659-3500
Officers and agents
C T Corporation System · Texas Resident Agent
Zazzi, Alexander · President
McKinney, James D · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
813869Mar 6, 2026Mar 6, 2026Enervest Operating, L.L.C.HemphillElm Creek Ranch 46 #613,98021134949
838677Dec 31, 2018Dec 31, 2018Enervest Operating, L.L.C.KarnesOpiela #114HH11,00025535907
842479Sep 30, 2018Sep 30, 2018Enervest Operating, L.L.C.LeeDunkin Unit #1HH10,50028732726
843027Jul 31, 2018Jul 31, 2018Enervest Operating, L.L.C.LeeDunkin Unit #2HH10,50028732728
841810Jul 11, 2018Jul 11, 2018Enervest Operating, L.L.C.LeeEvelyn #2HH11,50028732723
841810Jul 11, 2018Jul 11, 2018Enervest Operating, L.L.C.LeeEvelyn #2HH11,50028732723
841445Jul 5, 2018Jul 5, 2018Enervest Operating, L.L.C.KarnesShinedown Unit #2HH11,50025536025
841445Jul 5, 2018Jul 5, 2018Enervest Operating, L.L.C.KarnesShinedown Unit #3HH11,50025536025
841448Jul 2, 2018Jul 2, 2018Enervest Operating, L.L.C.KarnesShinedown Unit #102HH11,00025536026
839714Jun 25, 2018Jun 25, 2018Enervest Operating, L.L.C.FayetteHilsher OL #3HH13,30014933448
839710Jun 25, 2018Jun 25, 2018Enervest Operating, L.L.C.FayetteHilsher OL #2HH13,30014933447
841398Jun 20, 2018Jun 20, 2018Enervest Operating, L.L.C.KarnesMoczygemba Unit #110HH11,50025536017
841394Jun 20, 2018Jun 20, 2018Enervest Operating, L.L.C.KarnesMoczygemba Unit #109HH11,50025536013
840257Jun 8, 2018Jun 8, 2018Enervest Operating, L.L.C.WiseHamm Unit #5HH9,00049737973
840868Jun 6, 2018Jun 6, 2018Enervest Operating, L.L.C.KarnesSilverchair Unit #2HH11,00025536004

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/252131, documented in the API reference.