OPERATORS · RRC 593025 · P-5 STATUS Y
Muirfield Expl, Ltd
Wichita Falls, TX · most active in Clay County
Watch this operatorMuirfield Expl, Ltd was issued 8 drilling permits in the past 12 months, down 43% on the prior year, all in Clay County. 0% were horizontal.
None were issued in the past 90 days.
The RRC wellbore file lists 263 wells under its operatorship (75 producing, 12 shut in).
Lease reports credit it with 56.1K barrels of oil and 0 mcf of gas in the 12 months reported through April 2026, down 24% on the year before.
It holds 7 active disposal or injection permits, injecting 408K barrels in the 12 months reported through June 2025.
199 drilling permits have been issued to this operator number since 1992; its P-5 organization report was last filed June 4, 2026.
- 8
- permits, last 12 months
- -43%
- vs prior 12 months (14)
- 1
- counties, 12 months
- 75
- producing wells, of 263 of record
- 27
- leases it reports
- 0%
- 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.
- 82%
- spud rate · 163 of 199 mature permits
- 8
- median days permit to spud · middle half 4–24
- 0
- spuds, last 180 days -100%
- 0%
- cancelled · 0 permits
- 36
- expired undrilled
- 6
- permits a year over 34 active years
Permits issued by month
LAST 34 MONTHS · BY ISSUE DATE
Last 12 months 21 · prior 12 20(+5%)
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 |
|---|---|---|---|---|
| Clay county → | 8 | 195 | 254 | Apr 24, 2026 |
| Foard county → | — | 3 | 9 | Sep 14, 2015 |
| Montague county → | — | 1 | 0 | Dec 2, 2003 |
All 199 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 |
|---|---|---|
| Cisco | 51 | 18 |
| Canyon | 48 | 15 |
| Thomas Sand | 29 | 2 |
| Gunsight | 20 | 3 |
| Permian (undifferentiated) | 5 | 0 |
| Granite Wash | 2 | 0 |
| Wichita-Albany | 1 | 0 |
| Viola | 1 | 1 |
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 →
- 56.1K
- bbl oil, last 12 reported months
- -24%
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 878K
- bbl oil since reporting began
Oil, barrels
Last 12 months 56,088 · prior 12 73,459(-24%)
Beyond the permit record
RRC wellbore file
Wells of record
- 263
- on the schedule
- 75
- producing
- 12
- shut in
- 6
- injection
- 0
- temp. abandoned
- 126
- plugged
How it got them
- 92
- permitted itself
- 10
- acquired from others
- 62
- 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
- 7
- active UIC permits of 35
- 6.2K
- permitted bbl/day, active
- 408K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
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 →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 8 | 14 | 194 |
| Reenter | 0 | 0 | 4 |
| Recompletion | 0 | 0 | 1 |
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 |
|---|---|---|
| Clay County Regular18707001 | 213 | 43 |
| Keeton (Bennett Sand)48481100 | 35 | 27 |
| Foard County Regular31787001 | 9 | 3 |
| Thornberry South (Permian)89557300 | 6 | 2 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jun 4, 2026
- Oil operator
- Address
- 705 8TH St Ste 340
- Wichita Falls, TX 76301
- (405) 464-9846
- Officers and agents
- Long, Thomas F III · General Partner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
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/593025, documented in the API reference.