Petrora

OPERATORS · RRC 556498  · P-5 STATUS Y

MCZ, Inc

Houston, TX

Watch this operator

Mcz, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued November 13, 1986.

The RRC wellbore file lists 23 wells under its operatorship.

59 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed June 15, 1989.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 23 of record
0
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.

31%
spud rate · 18 of 59 mature permits
20
median days permit to spud · middle half 13–30
0
spuds, last 180 days
2%
cancelled · 1 permits
40
expired undrilled
8
permits a year over 7 active years

Where

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

County12 moAll timeWellsLast
Brazos county →—4015Nov 13, 1986
Wharton county →—41Feb 21, 1985
Matagorda county →—31Oct 18, 1984
Grimes county →—20Aug 10, 1981
Jefferson county →—21Jun 2, 1981
Madison county →—20May 29, 1981
Rusk county →—21Jul 13, 1984
Throckmorton county →—20Nov 10, 1980
Bastrop county →—12Jan 29, 1986
Calhoun county →—10Sep 13, 1984

All 59 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
Buda110
Woodbine90
Austin Chalk90
Georgetown70
Wilcox30
Frio20
Anahuac20
Pettit10
Miocene (undifferentiated)10
Sub-Clarksville10
Travis Peak10

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
0
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

23
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
23
plugged

How it got them

16
permitted itself
6
acquired from others
15
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
Drill0050
Recompletion008
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.

FieldWellsProducing
Bryan (Woodbine)1269780080
Kurten (Austin Chalk)5042440020
Giddings (Austin Chalk-3)3473350020
Kurten (Georgetown)5042460020
Kurten (Buda)5042450010
Kurten (Woodbine)5042490010
Magnet Withers (Miocene Upper)5668869310
Markham (Frio 4910)5756219010
Bryan N. (Georgetown)1269930010
Paige NE. (Austin Chalk)6837150010
Cheek S. (8100 Hartburg)1738750010
Giddings (Austin Chalk-1)3472651010

P-5 organization report

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

Registration
Status code Y
Last filed Jun 15, 1989
Address
P.O. Box 19945
Houston, TX 77224
Officers and agents
Zeid, Marvin C. · President
Bradford, C.M. · Vice President/Treasurer
Radke, Sharon · Secretary

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
637306Apr 24, 2007Apr 24, 2007Magnum Producing, LPFayetteKaiser #1HH8,50014931311
323064Nov 13, 1986Nov 13, 1986MCZ, Inc.BrazosAdkins, W. G. #29,89704130911
296494Jan 29, 1986Jan 29, 1986MCZ, Inc.BastropMitchell, O. R. #112,80002130280
267457Feb 21, 1985Feb 21, 1985MCZ, Inc.WhartonPrasifka Unit #17,61648132763
259238Nov 28, 1984Nov 28, 1984MCZ, Inc.WhartonPrasifka Unit #17,59048132763
255234Oct 22, 1984Oct 22, 1984MCZ, Inc.BrazosWest, H. E. #18,70004131230
254860Oct 18, 1984Oct 18, 1984MCZ, Inc.MatagordaPena #16,00032131384
251368Sep 13, 1984Sep 13, 1984MCZ, Inc.CalhounState Tract 10-A #19,50005731343
245111Jul 13, 1984Jul 13, 1984MCZ, Inc.RuskWallace Estate #18,33740130959
245020Jul 13, 1984Jul 13, 1984MCZ, Inc.WhartonBerberich Gas Unit I #37,09448103286
243644Jun 29, 1984Jun 29, 1984MCZ, Inc.WhartonBerberich Gas Unit I #37,09448103286
239123May 16, 1984May 16, 1984MCZ, Inc.MatagordaPena #16,00032131384
238439May 10, 1984May 10, 1984MCZ, Inc.MatagordaPierce Estate Unit #18,50032131383
238958Apr 23, 1984Apr 23, 1984MCZ, Inc.RuskFlanagan #18,21640131122
220616Nov 14, 1983Nov 14, 1983MCZ, Inc.BrazosClearlake Properties #19,90504131048

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/556498, documented in the API reference.