OPERATORS · RRC 931347 · P-5 STATUS Y
Winchester Engy Co
Austin, TX
Watch this operatorWinchester Engy CO has filed no drilling permits in the past 12 months; its most recent permit was issued April 11, 1985.
The RRC wellbore file lists 5 wells under its operatorship.
137 drilling permits have been issued to this operator number since 1982; its P-5 organization report was last filed June 4, 1999.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 5 of record
- 1
- 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.
- 17%
- spud rate · 23 of 137 mature permits
- 124
- median days permit to spud · middle half 25–176
- 0
- spuds, last 180 days
- 1%
- cancelled · 1 permits
- 113
- expired undrilled
- 34
- permits a year over 4 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 |
|---|---|---|---|---|
| Hockley county → | — | 118 | 0 | Apr 11, 1985 |
| Cochran county → | — | 13 | 0 | Feb 15, 1984 |
| Goliad county → | — | 2 | 2 | Aug 12, 1983 |
| Hidalgo county → | — | 2 | 0 | Oct 31, 1984 |
| Archer county → | — | 1 | 0 | Aug 2, 1983 |
| Grimes county → | — | 1 | 0 | Jan 19, 1984 |
All 137 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 |
|---|---|---|
| San Andres | 20 | 0 |
| Yates | 19 | 0 |
| Rustler | 19 | 0 |
| Vicksburg | 1 | 0 |
| Frio | 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
- 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
- 5
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 3
- plugged
How it got them
- 1
- permitted itself
- 4
- acquired from others
- 32
- 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 | 135 |
| Recompletion | 0 | 0 | 2 |
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 | 2 | 0 |
| Fannin South (4230)30178775 | 1 | 0 |
| LA Bahia (2400)50623500 | 1 | 0 |
| Pearsall (Austin Chalk)69981125 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jun 4, 1999
- Address
- Building II 6101 W Courtyard Dr Suite 22
- Austin, TX 78730
- 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 |
|---|---|---|---|---|---|---|---|
| 271984 | Apr 11, 1985 | Apr 11, 1985 | Winchester Energy Company | Hockley | Mallet Ranch #2409 | 5,000 | 21934740 |
| 271986 | Apr 11, 1985 | Apr 11, 1985 | Winchester Energy Company | Hockley | Mallet Ranch #806 | 5,000 | 21934741 |
| 256220 | Oct 31, 1984 | Oct 31, 1984 | Winchester Energy Company | Hidalgo | Chapa #1 | 13,750 | 21531556 |
| 252192 | Sep 21, 1984 | Sep 21, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #1301 | 5,000 | 21934525 |
| 248387 | Aug 15, 1984 | Aug 15, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #209 | 5,000 | 21934488 |
| 229569 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Cochran | Mallet Ranch #2509 | 5,000 | 07931895 |
| 229568 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Cochran | Mallet Ranch #2505 | 5,000 | 07931894 |
| 229570 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Cochran | Mallet Ranch #2504 | 5,000 | 07931896 |
| 229565 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Cochran | Mallet Ranch #2502 | 5,000 | 07931893 |
| 229562 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Cochran | Mallet Ranch #2501 | 5,000 | 07931892 |
| 229560 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #1005 | 5,000 | 21934242 |
| 229556 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #1004 | 5,000 | 21934241 |
| 229552 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #1003 | 5,000 | 21934240 |
| 229550 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #1002 | 5,000 | 21934239 |
| 229548 | Feb 15, 1984 | Feb 15, 1984 | Winchester Energy Company | Hockley | Mallet Ranch #1001 | 5,000 | 21934238 |
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/931347, documented in the API reference.