OPERATORS · RRC 931338 · P-5 STATUS Y

Winchester Engy Oper Co

Austin, TX

Winchester Engy Oper CO has filed no drilling permits in the past 12 months; its most recent permit was issued April 7, 1992.

The RRC wellbore file lists 4 wells under its operatorship.

29 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed June 4, 2026.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 4 of record
3: 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 · 9 of 29 mature permits
19: median days permit to spud · middle half 13–33
0: spuds, last 180 days
0%: cancelled · 0 permits
20: expired undrilled
4: permits a year over 8 active years

Where

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

County	12 mo	All time	Wells	Last
Edwards county →	—	13	0	Jan 6, 1987
Fisher county →	—	5	0	Oct 11, 1985
Hidalgo county →	—	3	1	Aug 18, 1988
Runnels county →	—	3	0	Mar 20, 1986
Travis county →	—	3	0	Apr 7, 1992
Caldwell county →	—	1	0	Dec 28, 1984
Jones county →	—	1	0	Nov 20, 1985

All 29 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 →

Formation	Wells	Permitted last 3 yrs
Canyon	1	0
Travis Peak	1	0
Vicksburg	1	0

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
1.16K: 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

4: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
3: plugged

How it got them

0: permitted itself
4: acquired from others
19: 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 →

Type	12 mo	Prior 12	All time
Drill	0	0	24
Recompletion	0	0	5

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.

Field	Wells	Producing
Dove Creek (Canyon -D-)25930426	1	0
Dove Creek (Wolfcamp)25930900	1	0
Fannin South (Tag)30178100	1	0
Tabasco (Vicksburg 10 000)88103778	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Jun 4, 2026; Gas operator

Address: 7035 Bee Caves RD Ste 207; Austin, TX 78746

Officers and agents: Wiggins, Mark L. · President/Treasurer

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
507617	Apr 17, 2001	Apr 17, 2001	Owl Creek Production Co., Inc.	Hidalgo	Card-Hcwc & I District 6 #1	8,164	21531130
459666	May 19, 1997	May 19, 1997	Owl Creek Production Co., Inc.	Hidalgo	Card-Hcwc&i Dist. 6 Unit #1	8,150	21531130
398185	Apr 7, 1992	Apr 7, 1992	Winchester Energy Operating Co.	Travis	Butler #2	2,000	45330353
396046	Feb 20, 1992	Feb 20, 1992	Winchester Energy Operating Co.	Travis	Butler #1	2,200	45330347
348967	Aug 18, 1988	Aug 18, 1988	Winchester Energy Operating Co.	Hidalgo	Hidalgo Co. Irrig. Dist. No. 6 #1	10,935	21531242
348445	Jul 5, 1988	Jul 5, 1988	Winchester Energy Operating Co.	Hidalgo	Card-H.C.W.C. & I. Dist. 6 Unit #1	10,200	21531130
348445	Jul 5, 1988	Jul 5, 1988	Winchester Energy Operating Co.	Hidalgo	Card-H.C.W.C. & I. Dist. 6 Unit #1	10,200	21531130
338711	Nov 13, 1987	Nov 13, 1987	Winchester Energy Operating Co.	Travis	Thrasher, Lois D. #1	1,100	45330336
325092	Jan 6, 1987	Jan 6, 1987	Winchester Energy Operating Co.	Edwards	Epperson, Tom W. et AL #1241	5,000	13730951
325092	Jan 6, 1987	Jan 6, 1987	Winchester Energy Operating Co.	Edwards	Epperson, Tom W. et AL #1241	5,000	13730951
303792	Jul 3, 1986	Jul 3, 1986	Winchester Energy Company	Edwards	Epperson, J. E. Sr. et AL #1119	5,000	13730942
299948	Mar 20, 1986	Mar 20, 1986	Winchester Energy Operating Co.	Runnels	Dietz, P. R. #15	3,840	39900106
299602	Mar 14, 1986	Mar 14, 1986	Winchester Energy Operating Co.	Edwards	Whitworth, C.v.& Katherine et UX #1029	5,000	13730938
297962	Feb 19, 1986	Feb 19, 1986	Winchester Energy Operating Co.	Edwards	Epperson, Tom W. #8041	5,000	13730935
297964	Feb 19, 1986	Feb 19, 1986	Winchester Energy Operating Co.	Edwards	Epperson, Jas. E. Sr. et AL #6019	5,000	13730936

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/931338, documented in the API reference.