Petrora

OPERATORS · RRC 931342  · P-5 STATUS Y

Winchester Oil Co

Marshall, TX

Watch this operator

Winchester Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 1, 1983.

The RRC wellbore file lists 2 wells under its operatorship.

48 drilling permits have been issued to this operator number since 1979; its P-5 organization report was last filed October 14, 1988.

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

52%
spud rate · 25 of 48 mature permits
27
median days permit to spud · middle half 7–82
0
spuds, last 180 days
2%
cancelled · 1 permits
22
expired undrilled
10
permits a year over 5 active years

Where

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

County12 moAll timeWellsLast
Titus county →—242Oct 19, 1982
Harrison county →—120Aug 1, 1983
Franklin county →—110Aug 31, 1982
Panola county →—10Mar 12, 1982

All 48 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
Woodbine30
Massive Anhydrite (marker)30
Cotton Valley20
Travis Peak20
Goodland20
Pettit20
Blossom10

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

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

How it got them

1
permitted itself
0
acquired from others
23
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 1
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Titus0 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
Drill0046
Other001
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
Talco8820700120

P-5 organization report

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

Registration
Status code Y
Last filed Oct 14, 1988
Address
300 West Austin St., Ste. A
Marshall, TX 75670
Officers and agents
Baldwin, Phillip B. Jr. · Texas Resident Agent
Vaughan, Sam F. III · President/Director
Anderson, John T. · Vice President
Baldwin, Phillip B. Jr. · Secretary

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
205041Aug 1, 1983Aug 1, 1983Winchester Oil CompanyHarrisonGray-Hickey #19,60020331001
183425Jan 17, 1983Jan 17, 1983Winchester Oil CompanyHarrisonJonesville #29,50020330935
182480Jan 6, 1983Jan 6, 1983Winchester Oil CompanyHarrisonKnighton #27,70020331025
180166Dec 13, 1982Dec 13, 1982Winchester Oil CompanyHarrisonJonesville "A" #57,70020331018
177827Nov 19, 1982Nov 19, 1982Winchester Oil CompanyHarrisonJonesville #79,50020331001
177802Nov 17, 1982Nov 17, 1982Winchester Oil CompanyHarrisonJonesville #46,60020331011
175362Oct 19, 1982Oct 19, 1982Winchester Oil CompanyTitusMorris, J. C. #24,50044900251
170520Aug 31, 1982Aug 31, 1982Winchester Oil CompanyFranklinWestchester Fee #14,50015930314
169747Aug 19, 1982Aug 19, 1982Winchester Oil CompanyFranklinOwings, A. Estate #104,40015930312
169445Aug 16, 1982Aug 16, 1982Winchester Oil CompanyFranklinA. Owings Estate #104,40015930312
163315Jun 10, 1982Jun 10, 1982Winchester Oil CompanyHarrisonTrammell #19,70020330972
160142May 5, 1982May 5, 1982Winchester Oil CompanyHarrisonJonesville B #3SWD2,10020330965
155346Mar 25, 1982Mar 25, 1982Winchester Oil CompanyHarrisonJonesville #19,50020330871
153073Mar 12, 1982Mar 12, 1982Winchester Oil CompanyPanolaTiller-Hilliard #110,30036531444
148636Jan 13, 1982Jan 13, 1982Winchester Oil CompanyFranklinBarker, H.C. #1R4,40015930290

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/931342, documented in the API reference.