OPERATORS · TEXAS · P-5 NUMBER 178381

Core E & P Corp.

P-5 status
Delinquent (D)
P-5 last filed
Jul 11, 2001
Based in
Victoria, TX

Core E & P Corp. has filed no drilling permits in the past 12 months; its most recent permit was issued October 30, 2000.

The RRC wellbore file lists 109 wells under its operatorship (4 shut in).

7 drilling permits have been issued to this operator number since 1999; its P-5 organization report was last filed July 11, 2001.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 109 of record
66
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 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.

57%
spud rate · 4 of 7 mature permits
6
median days permit to spud · middle half 4–8
0
spuds, last 180 days
0%
canceled · 0 permits
3
expired undrilled
4
permits a year over 2 active years

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

0120222023202420252026

Counties

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

County12 moAll timeWellsLast
Victoria county →—50Apr 11, 2000
Jackson county →—10Oct 4, 1999
San Patricio county →—14Oct 30, 2000

All 7 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
Greta20
Yegua20
Vicksburg20
Catahoula20
Miocene (undifferentiated)20
Anahuac10

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
130K
bbl oil since reporting began

No lease production reported under this operator number in the last ten years.

Beyond the permit record

RRC wellbore file

Wells of record

109
in the wellbore file, 6 on schedule
0
producing
4
shut in
0
injection
2
temp. abandoned
102
plugged

How it got them

0
permitted itself
26
acquired from others
3
permitted, now run by others

Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. Transfers and operator numbers →

RRC UIC permits · H-10 reported volumes

Disposal and injection

0
active UIC permits of 23
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Pecos0 active0 bbl/d
San Patricio0 active0 bbl/d
Jefferson0 active0 bbl/d
Goliad0 active0 bbl/d
Jackson0 active0 bbl/d
Ward0 active0 bbl/d

All 23 permits, with volumes → · On the map →

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
Drill007

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 Delinquent (D)
Last filed Jul 11, 2001
Gas operatorOil operator
Address
P O Box 1189
Victoria, TX 77902
(361) 570-6556
Officers and agents
Hahn, Michael Keith · Texas Resident Agent
Hahn, Michael Keith · President
Hahn, Susana · Vice President
Guerra, Cathy · Secretary/Treasurer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
501370Oct 30, 2000Oct 30, 2000Core E & P Corp.San PatricioDow/Horn #14,00040932655
500710Oct 18, 2000Oct 18, 2000Viesca Gas Co.PolkWatt #12,70037330645
493962Apr 11, 2000Apr 11, 2000Core E & P Corp.VictoriaTucker #24,80046933474
491664Feb 2, 2000Feb 2, 2000Core E & P Corp.VictoriaTucker #14,80046933460
489069Nov 2, 1999Nov 2, 1999Core E & P Corp.VictoriaKolle, J. #18,70046933443
489069Nov 2, 1999Nov 2, 1999Core E & P Corp.VictoriaKolle, J. #19,20046933443
489069Nov 2, 1999Nov 2, 1999Core E & P Corp.VictoriaKolle, J. #19,20046933443
488177Oct 4, 1999Oct 4, 1999Core E & P Corp.JacksonDincans, A. T. Jr. #29,20023933042
484448May 19, 1999May 19, 1999Anadarko Petroleum Corp.CrosbyWardlaw-Lindsay #17083,60010730988
483693Apr 7, 1999Apr 7, 1999Viesca Gas Co.PolkWatt #12,70037330645
472083Jan 12, 1998Jan 12, 1998Chalice Petroleum CorporationCraneEppenauer, A. R. #13,75010303325
460370Mar 26, 1997Mar 26, 1997Anadarko Petroleum Corp.CrosbyWardlaw-Lindsay #17084,00010730988
458015Jan 30, 1997Jan 30, 1997Osr Oil & Gas CompanyGoliadWendel, A. #1R3,11017531121
457514Jan 17, 1997Jan 17, 1997Anadarko Petroleum Corp.CrosbyWardlaw-Lindsay #14,00010730983
421488Feb 25, 1994Feb 25, 1994Fischer Operating CorporationSan PatricioMcBride/Ragsdale #2D6,37640902865

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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/178381, documented in the API reference.