Petrora

OPERATORS · RRC 257062  · P-5 STATUS Y

Extex Oper Co

Houston, TX

Watch this operator

Extex Oper CO has filed no drilling permits in the past 12 months; its most recent permit was issued October 2, 2014.

The RRC wellbore file lists 2,137 wells under its operatorship (818 producing, 347 shut in).

Lease reports credit it with 569K barrels of oil and 2.11M mcf of gas in the 12 months reported through April 2026, down 3% on the year before.

It holds 254 active disposal or injection permits, injecting 10.3M barrels in the 12 months reported through June 2025.

117 drilling permits have been issued to this operator number since 2004; its P-5 organization report was last filed November 4, 2025.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
818
producing wells, of 2.14K of record
922
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.

58%
spud rate · 68 of 117 mature permits
63
median days permit to spud · middle half 16–199
0
spuds, last 180 days
0%
cancelled · 0 permits
49
expired undrilled
12
permits a year over 10 active years

Where

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

County12 moAll timeWellsLast
Wichita county →—10941Oct 2, 2014
Nueces county →—57Jul 25, 2011
Webb county →—20Sep 6, 2005
Pecos county →—116Feb 24, 2005

All 117 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
Gunsight270
Canyon220
KMA200
Cisco180
Strawn120
Coleman Junction90
Thomas Sand50
Ellenburger40
Caddo30
Saddle Creek30

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 →

569K
bbl oil, last 12 reported months
-3%
vs the 12 months before
2.11M
mcf gas incl. casinghead, last 12
5.89M
bbl oil since reporting began

Oil, barrels

Last 12 months 568,972 · prior 12 587,997(-3%)

050K100K202420252026

Gas, mcf

Last 12 months 2,108,393 · prior 12 2,003,369(+5%)

0100K200K300K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

2,137
on the schedule
818
producing
347
shut in
97
injection
31
temp. abandoned
646
plugged

How it got them

2
permitted itself
1,249
acquired from others
56
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

254
active UIC permits of 349
374K
permitted bbl/day, active
10.3M
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Cochran119 active80.6K bbl/d
Nolan11 active61K bbl/d
Ector20 active38.7K bbl/d
Fisher1 active24K bbl/d
Crane17 active23.8K bbl/d
Yoakum2 active20K bbl/d
Gaines14 active16.5K bbl/d
Howard9 active16.5K 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 →

Type12 moPrior 12All time
Drill00111
Recompletion004
Reenter001
Field transfer001

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.

FieldWellsProducing
Levelland5341100136548
Slaughter8399100128758
Ozona (Canyon Sand)67995200188171
Farmer (San Andres)3024350015866
Jordan4726700113526
Iatan East Howard441485009222
Spraberry (Trend Area)852803006829
Ozona NE. (Canyon Sand)679980756559
Mason N. (Delaware Sand)581015005915
Sand Hills (Tubb)80473682598
Hunt-Baggett W. (Strawn)436797003928
Denison (Strawn)242536663131

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
1616 S Voss Road Ste 400
Houston, TX 77057
(713) 870-4327
Officers and agents
Marsh, Wallis Todd · President,vice President
Marsh, Edward Lee · Secretary

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
890080Apr 28, 2023Apr 28, 2023Cholla Petroleum, Inc.DawsonGrissom #110,65011532204
876167Mar 18, 2022Mar 18, 2022Cholla Petroleum, Inc.NolanRepublic Unit #1HH7,99935333735
876315Jan 31, 2022Jan 31, 2022Cholla Petroleum, Inc.FisherSend IT #1HH7,99915133236
876314Jan 25, 2022Jan 25, 2022Cholla Petroleum, Inc.FisherCoker SWD #17,99915133235
875967Jan 18, 2022Jan 18, 2022Cholla Petroleum, Inc.NolanJustice Unit #1HH7,99935333732
873863Oct 27, 2021Oct 27, 2021Cholla Petroleum, Inc.FisherLion-O #17,99915133218
873863Oct 27, 2021Oct 27, 2021Cholla Petroleum, Inc.FisherLion-O #17,99915133218
865466Oct 15, 2020Oct 15, 2020Cholla Petroleum, Inc.NolanFreedom Unit #1HH7,99935333724
865424Oct 13, 2020Oct 13, 2020Cholla Petroleum, Inc.NolanEquality Unit #1HH7,99935333722
865424Oct 13, 2020Oct 13, 2020Cholla Petroleum, Inc.NolanEquality Unit #1HH7,99935333722
865005Sep 9, 2020Sep 9, 2020Cholla Petroleum, Inc.FisherGrumpy Cat #17,99915133177
865005Sep 9, 2020Sep 9, 2020Cholla Petroleum, Inc.FisherGrumpy Cat #17,99915133177
865005Sep 9, 2020Sep 9, 2020Cholla Petroleum, Inc.FisherGrumpy Cat #17,99915133177
864391Jul 29, 2020Jul 29, 2020Cholla Petroleum, Inc.NolanCJR #1W7,99935333719
863421Apr 30, 2020Apr 30, 2020Cholla Petroleum, Inc.NolanLiberty Unit #1HH8,99935333716

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/257062, documented in the API reference.