Petrora

OPERATORS · RRC 950468  · P-5 STATUS Y

Zachry Expl, LLC

San Antonio, TX · most active in Brazoria County

Watch this operator

Zachry Expl, LLC was issued 2 drilling permits in the past 12 months, after a quiet prior year, across 2 counties led by Brazoria with 1. 0% were horizontal.

None were issued in the past 90 days.

The RRC wellbore file lists 32 wells under its operatorship (3 producing).

Lease reports credit it with 2.01K barrels of oil and 194K mcf of gas in the 12 months reported through April 2026, down 47% on the year before.

It holds 1 active disposal or injection permit, injecting 429K barrels in the 12 months reported through June 2025.

25 drilling permits have been issued to this operator number since 2010; its P-5 organization report was last filed September 4, 2025.

2
permits, last 12 months
—
vs prior 12 months (0)
2
counties, 12 months
3
producing wells, of 32 of record
46
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.

92%
spud rate · 23 of 25 mature permits
14
median days permit to spud · middle half 7–19
0
spuds, last 180 days -100%
0%
cancelled · 0 permits
2
expired undrilled
1
permits a year over 17 active years

Permits issued by month

LAST 5 MONTHS · BY ISSUE DATE

Last 12 months 5

0120232026

Where

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

County12 moAll timeWellsLast
Chambers county →132Jan 7, 2026
Brazoria county →111Mar 20, 2026
Jackson county →—1116Sep 20, 2023
Bee county →—31Jan 10, 2017
Lavaca county →—32Jun 22, 2017
Karnes county →—21Oct 6, 2016
Fort Bend county →—11Mar 5, 2010
Wharton county →—11Jul 9, 2012

All 25 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
Frio51
Yegua30
Catahoula20
Wilcox20
Vicksburg20
Carrizo10
Reklaw10
Queen City10
Edwards10
Austin Chalk10
Sligo10
Eagle Ford10

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 →

2.01K
bbl oil, last 12 reported months
-47%
vs the 12 months before
194K
mcf gas incl. casinghead, last 12
382K
bbl oil since reporting began

Gas, mcf

Last 12 months 193,629 · prior 12 274,277(-29%)

020K40K202420252026

Oil, barrels

Last 12 months 2,011 · prior 12 3,827(-47%)

0200400600202420252026

Beyond the permit record

RRC wellbore file

Wells of record

32
on the schedule
3
producing
0
shut in
1
injection
0
temp. abandoned
27
plugged

How it got them

10
permitted itself
22
acquired from others
7
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 1
5K
permitted bbl/day, active
429K
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Jefferson1 active5K 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
Drill2015
Recompletion009
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.

FieldWellsProducing
Lavaca River (4000 Frio)5236577020
China Townsite (Yegua EY-2)1781749521
Wildcat600120
Lonken (7030)5482975020
Chesterville (3770)1755064010
Briscoe (Catahoula 3050)1201130010
Carmichael (3750)1573157510
Collier (Yegua Y-3)1966731010
Danbury Dome (5655 Sand)2297545010
EL Torito (Yegua 9000)2819960010
Hallettsville South (Wx. 6900)3825047510
Collier (4050)1966787910

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 241749
San Antonio, TX 78224
(877) 322-8876
Officers and agents
McDonald, David Kirk · President,coo
Lewis, Jeffrie Boysen · Secretary
Frames, Charles Ryan · Treasurer,vice President
Duffy, Scott Lawrence · Vice President
Wiatrek, Gilbert Peter · Treasurer
Zachry, John Bartell · Ceo
Munk, Dwight Matthew · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
914218Mar 20, 2026Mar 20, 2026Zachry Exploration, LLCBrazoriaDorothy Robinson #18,30003933384
912359Jan 7, 2026Jan 7, 2026Zachry Exploration, LLCChambersLopez #19,95007132683
893813Sep 20, 2023Sep 20, 2023Zachry Exploration, LLCJacksonKaup Unit #16,99223933443
887031Jan 24, 2023Jan 24, 2023Zachry Exploration, LLCChambersRearwin-Middleton Unit #110,60007132668
886675Dec 27, 2022Dec 27, 2022Zachry Exploration, LLCChambersBarrow Heritage Ranch et AL #019,60007132666
860239Dec 20, 2019Dec 20, 2019Zachry Exploration, LLCJacksonArenosa Investments Ltd #17,00023933937
860239Dec 20, 2019Dec 20, 2019Zachry Exploration, LLCJacksonArenosa Investments Ltd #17,40023933937
844313Sep 5, 2018Sep 5, 2018Zachry Exploration, LLCJacksonHollingsworth Unit #14,70023933796
839140Apr 30, 2018Apr 30, 2018Zachry Exploration, LLCJacksonRobinson Gator #15,00023933470
828812Sep 15, 2017Sep 15, 2017Zachry Exploration, LLCJacksonStuckey Combined Trust et AL #17,25023933893
830798Sep 13, 2017Sep 13, 2017Zachry Exploration, LLCJacksonAckley Unit #17,10023933897
827847Jun 22, 2017Jun 22, 2017Zachry Exploration, LLCLavacaNeuvar Unit #110,49028534028
821732Jan 10, 2017Jan 10, 2017Zachry Exploration, LLCBeeFinger et al Unit #14,70002533785
820254Nov 18, 2016Nov 18, 2016Zachry Exploration, LLCLavacaSchindler Unit #18,40028533993
820294Nov 17, 2016Nov 17, 2016Zachry Exploration, LLCJacksonHollingsworth Unit #14,70023933796

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/950468, documented in the API reference.