Petrora

OPERATORS · RRC 833850  · P-5 STATUS Y

T - C Oil Co

Refugio, TX

Watch this operator

T - C Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued December 9, 2011.

The RRC wellbore file lists 294 wells under its operatorship.

1,009 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed August 2, 2013.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 294 of record
422
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 · 624 of 1,009 mature permits
29
median days permit to spud · middle half 8–72
0
spuds, last 180 days
0%
cancelled · 0 permits
385
expired undrilled
29
permits a year over 35 active years

Where

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

County12 moAll timeWellsLast
Refugio county →—838240Nov 8, 2011
Goliad county →—9938Aug 23, 2010
Bee county →—353Sep 20, 2011
Victoria county →—2613Nov 3, 2010
Aransas county →—110Dec 9, 2011

All 1,009 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
Catahoula3586
Lagarto3395
Miocene (undifferentiated)3173
Greta2433
Frio2013
Oakville653
Anahuac100
Jackson101
Vicksburg40

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
15.3M
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

294
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
210
plugged

How it got them

163
permitted itself
35
acquired from others
241
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 34
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Refugio0 active0 bbl/d
Goliad0 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
Recompletion00601
Drill00391
Other0013
Reenter003
Reclass001

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
Tom Oconnor (5800)90534863740
McFaddin (4400)59371629100
Lake Pasture (M-295)51512939100
Huff (2200)4327035290
Lake Pasture West (4450)5151887590
Lake Pasture (L-200)5151293070
Lake Pasture (L-202)5151293370
Live Oak Lake (Consolidated)5414402560
Tejas (Frio 5400)8870280060
Sarco Creek (4800)8107774750
Anaqua (2650)250333350
Lake Pasture (M-348)5151296140

P-5 organization report

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

Registration
Status code Y
Last filed Aug 2, 2013
Address
427 FM 774
Refugio, TX 78377
Officers and agents
O'Connor & Hewitt Ltd · Joint Venturer
Gilster, Ralph R. III · Joint Venturer
Anderson, Michael S. · Joint Venturer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
892352Jul 28, 2023Jul 28, 2023T-C Oil Company, LLCRefugioT-C Oil Co. - O'Connor #465,64639130026
885303Nov 4, 2022Nov 4, 2022T-C Oil Company, LLCGoliadDuke Ranch -G- #15,72017533728
857412Sep 27, 2019Sep 27, 2019T-C Oil Company, LLCRefugioO'Connor #775,04239132092
796009Sep 27, 2014Sep 27, 2014T-C Oil Company, LLCRefugioBaumgartner -A- #36,32539132844
769549Sep 12, 2013Sep 12, 2013T-C Oil Company, LLCRefugioO'Connor -D- #D 154,46739100261
750934Nov 6, 2012Nov 6, 2012T-C Oil Company, LLCBeeEdwards #22,40002533671
747790Sep 25, 2012Sep 25, 2012Hilcorp Energy CompanyRefugioTom O'Connor (5800 SD) Fld. Unit #N1065,94839181085
729460Dec 9, 2011Dec 9, 2011T - C Oil CompanyAransasCavasso Creek -A- #18,26500730872
727099Nov 8, 2011Nov 8, 2011T - C Oil CompanyRefugioWillow Creek -B- #810,00039133005
725943Oct 12, 2011Oct 12, 2011T - C Oil CompanyRefugioCopano Gas Unit #455,78239103951
725617Oct 6, 2011Oct 6, 2011T - C Oil CompanyRefugioBraman -A- #28,76539132974
725314Oct 3, 2011Oct 3, 2011T - C Oil CompanyRefugioWillow Creek -B- #710,00039133002
724380Sep 20, 2011Sep 20, 2011T - C Oil CompanyBeeO'Brien -C- Unit #13,88902533699
724081Sep 15, 2011Sep 15, 2011T - C Oil CompanyRefugioO'Connor -H- #H 365,00039132999
723343Sep 1, 2011Sep 1, 2011T - C Oil CompanyRefugioVincent #15,30039132736

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/833850, documented in the API reference.