OPERATORS · RRC 932465  · P-5 STATUS Y

Winn Expl Co., Inc

Corpus Christ, TX

Watch this operator

Winn Expl CO., Inc has filed no drilling permits in the past 12 months; its most recent permit was issued February 17, 2015.

The RRC wellbore file lists 58 wells under its operatorship.

344 drilling permits have been issued to this operator number since 1978; its P-5 organization report was last filed September 2, 2016.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 58 of record
60
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.

73%
spud rate · 252 of 344 mature permits
9
median days permit to spud · middle half 4–26
0
spuds, last 180 days
2%
cancelled · 7 permits
85
expired undrilled
9
permits a year over 37 active years

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 →—829Apr 1, 2014
Zavala county →—6512Apr 14, 2010
Stephens county →—644May 22, 2007
Jim Wells county →—267Jun 23, 2000
Houston county →—130Jul 7, 2005
Bee county →—123Apr 10, 2008
Maverick county →—1213Oct 15, 2003
Victoria county →—102Aug 9, 2006
Aransas county →—93Jun 30, 2000
Nueces county →—60Aug 28, 2009
Cherokee county →—50Jul 29, 2004
Grimes county →—40Apr 21, 2008
Live Oak county →—41Nov 26, 2007
Shelby county →—40Dec 19, 2000
San Patricio county →—30Nov 20, 2007
Brooks county →—21Dec 21, 1998
Cameron county →—21Nov 16, 1999
Crockett county →—20Feb 16, 2007
Duval county →—20Jun 12, 2000
Goliad county →—20Jul 25, 2006
Gonzales county →—20Jan 15, 1998
Hidalgo county →—21Mar 24, 2000
McMullen county →—20Feb 14, 2005
Val Verde county →—20Oct 8, 2007
Brazoria county →—10Feb 17, 2015
Jim Hogg county →—10May 6, 2008
Kleberg county →—10Jun 30, 2011
Lavaca county →—10Oct 31, 2007
Menard county →—10Apr 3, 1992
Washington county →—10Sep 29, 2014
Wilson county →—10Mar 3, 1998

All 344 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 →

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
497K
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

58
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
54
plugged

How it got them

35
permitted itself
10
acquired from others
154
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 1
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Jim Wells0 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
Drill00313
Recompletion0026
Other004
Reenter001

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 Sep 2, 2016
Address
800 N Shoreline Ste 1900
Corpus Christ, TX 78401
(367) 688-6984
Officers and agents
Calley, Michael W. · President/Vice President/General

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
803532Feb 17, 2015Feb 17, 2015Winn Exploration Co., Inc.BrazoriaWebb Gas Unit #19,80003933259
796133Sep 29, 2014Sep 29, 2014Winn Exploration Co., Inc.WashingtonMr. Mac's #17,50047731023
781143Apr 1, 2014Apr 1, 2014Winn Exploration Co., Inc.DE WittZengerle Gas Unit #18,10012332133
718974Jun 30, 2011Jun 30, 2011Winn Exploration Co., Inc.KlebergBP Oil Unit #19,80027332569
701980Sep 13, 2010Sep 13, 2010Winn Exploration Co., Inc.DE WittBelitz Gas Unit #220,00012332363
698257Jul 8, 2010Jul 8, 2010Winn Exploration Co., Inc.DE WittRogene Green #113,00012332341
696136May 19, 2010May 19, 2010Winn Exploration Co., Inc.DE WittKerlick Gas Unit #1H17,00012332322
696136May 19, 2010May 19, 2010Winn Exploration Co., Inc.DE WittKerlick Gas Unit #1H17,00012332322
694068Apr 14, 2010Apr 14, 2010Winn Exploration Co., Inc.ZavalaGlasscock #1HEH12,00050732754
694101Apr 13, 2010Apr 13, 2010Winn Exploration Co., Inc.ZavalaGlasscock #2HEH12,00050732753
693223Mar 26, 2010Mar 26, 2010Winn Exploration Co., Inc.DE WittKeak Gas Unit #1HH16,00012332310
686194Oct 16, 2009Oct 16, 2009Winn Exploration Co., Inc.DE WittBrysch Gas Unit #1HH15,00012332297
684587Aug 28, 2009Aug 28, 2009Winn Exploration Co., Inc.NuecesIsensee #115,00035533965
684587Aug 28, 2009Aug 28, 2009Winn Exploration Co., Inc.NuecesIsensee #115,00035533965
679735Mar 23, 2009Mar 23, 2009Winn Exploration Co., Inc.DE WittBuchhorn Gas Unit #1HH16,00012332287

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/932465, documented in the API reference.