Petrora

OPERATORS · RRC 139609  · P-5 STATUS Y

Castex Engy, Inc

Houston, TX

Watch this operator

Castex Engy, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued January 29, 2024.

The RRC wellbore file lists 2 wells under its operatorship.

13 drilling permits have been issued to this operator number since 1989; its P-5 organization report was last filed October 4, 2025.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 2 of record
4
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.

62%
spud rate · 8 of 13 mature permits
12
median days permit to spud · middle half 7–22
0
spuds, last 180 days
0%
cancelled · 0 permits
5
expired undrilled
0
permits a year over 35 active years

Permits issued by month

LAST 2 MONTHS · BY ISSUE DATE

Last 12 months 2

012024

Where

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

County12 moAll timeWellsLast
Cochran county →—50Feb 15, 1991
Colorado county →—32Aug 21, 2023
Goliad county →—20Dec 5, 1996
Lavaca county →—20Jul 30, 1997
Harris county →—10Jan 29, 2024

All 13 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
Yegua20
Wilcox20
Vicksburg20
San Andres10
Seven Rivers10
Frio10
Catahoula10
Grayburg10

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
23.3K
mcf gas incl. casinghead, last 12
48.4K
bbl oil since reporting began

Gas, mcf

Last 12 months 23,307 · prior 12 192,438(-88%)

020K40K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

2
on the schedule
0
producing
0
shut in
0
injection
1
temp. abandoned
1
plugged

How it got them

2
permitted itself
0
acquired from others
4
permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →

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
Drill0012
Recompletion001

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
Sublime N. (Wilcox 9800)8686677510
Wildcat600110

P-5 organization report

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

Registration
Status code Y
Last filed Oct 4, 2025
Gas operator
Address
333 Clay Street Suite 2900
Houston, TX 77002
(281) 633-6476
Officers and agents
Stoika, John · President
Killian, Aaron · Vice President
Wilson, Jonathan · Vice President
Green, Ashley S · Secretary
Hebert, Kasey · Filing Agent

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
894707Jan 29, 2024Jan 29, 2024Castex Energy, Inc.HarrisSusan B. Michalsky et AL #111,70020133006
892129Aug 21, 2023Aug 21, 2023Castex Energy, Inc.ColoradoOhnheiser Unit #110,20008932774
872686Sep 14, 2021Sep 14, 2021Castex Energy, Inc.ColoradoSchindler #216,00008932763
852341Apr 24, 2019Apr 24, 2019Castex Energy, Inc.ColoradoSchindler #113,20008932757
465114Jul 30, 1997Jul 30, 1997Castex Energy, Inc.LavacaBarnes, Leon #24,00028532517
462987May 30, 1997May 30, 1997Castex Energy, Inc.LavacaBarnes, Leon #14,00028532495
455794Dec 5, 1996Dec 5, 1996Castex Energy, Inc.GoliadLuedicke Heirs #15,42017532902
445208Mar 4, 1996Mar 4, 1996Castex Energy, Inc.GoliadLuedicke Heirs #15,50017532902
384549Feb 15, 1991Feb 15, 1991Castex Energy, Inc.CochranStarnes Ranch "29" #15,10007932577
383005Jan 7, 1991Jan 7, 1991Castex Energy, Inc.CochranStarnes Ranch "34" #25,10007932559
370420Mar 5, 1990Mar 5, 1990Castex Energy, Inc.CochranStarnes Ranch "35" #25,10007932467
364954Oct 13, 1989Oct 13, 1989Castex Energy, Inc.CochranStarnes Ranch "35" #15,10007932436
359257May 12, 1989May 12, 1989Castex Energy, Inc.CochranStarnes Ranch "34" #15,10007932390

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/139609, documented in the API reference.