OPERATORS · RRC 535785 · P-5 STATUS Y
Mayco Oil
Nocona, TX
Watch this operatorMayco Oil has filed no drilling permits in the past 12 months; its most recent permit was issued September 13, 2005.
The RRC wellbore file lists 20 wells under its operatorship (1 shut in).
It holds 1 active disposal or injection permit.
42 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed April 4, 2026.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 20 of record
- 8
- 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.
- 7%
- spud rate · 3 of 42 mature permits
- 50
- median days permit to spud · middle half 32–62
- 0
- spuds, last 180 days
- 2%
- cancelled · 1 permits
- 38
- expired undrilled
- 2
- permits a year over 26 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 |
|---|---|---|---|---|
| Clay county → | — | 18 | 14 | Jul 25, 1988 |
| Montague county → | — | 18 | 5 | Sep 13, 2005 |
| Cooke county → | — | 2 | 1 | Jul 1, 1982 |
| Jack county → | — | 2 | 0 | Oct 21, 1985 |
| Knox county → | — | 1 | 0 | Aug 10, 1988 |
| Young county → | — | 1 | 0 | Apr 17, 1989 |
All 42 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 |
|---|---|---|
| Caddo | 7 | 0 |
| Bryson | 6 | 0 |
| Ellenburger | 5 | 0 |
| Strawn | 4 | 0 |
| Marble Falls | 4 | 0 |
| Canyon | 2 | 0 |
| Barnett | 1 | 0 |
| Palo Pinto | 1 | 0 |
| Gunsight | 1 | 0 |
| Viola | 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
- 77.4K
- 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
- 20
- on the schedule
- 0
- producing
- 1
- shut in
- 0
- injection
- 1
- temp. abandoned
- 18
- plugged
How it got them
- 16
- permitted itself
- 4
- acquired from others
- 13
- 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
- 1
- active UIC permits of 3
- 200
- permitted bbl/day, active
- 0
- 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 | 0 | 0 | 35 |
| Other | 0 | 0 | 3 |
| Reenter | 0 | 0 | 3 |
| 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 |
|---|---|---|
| Joy (Strawn)47372568 | 7 | 0 |
| Tally (Congl.)88221300 | 3 | 0 |
| Blue Grove (Caddo)9819250 | 2 | 0 |
| Clingingsmith18977001 | 1 | 0 |
| Cooke County Regular20350001 | 1 | 0 |
| Engle (Strawn)29096666 | 1 | 0 |
| Hundley (Strawn)43600600 | 1 | 0 |
| Clay County Regular18707001 | 1 | 0 |
| Montague County Regular62528001 | 1 | 0 |
| Stoneburg86324001 | 1 | 0 |
| Buffalo Springs13128001 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Apr 4, 2026
- Gas operatorOil operator
- Address
- P O Box 495
- Nocona, TX 76255
- (940) 841-0517
- Officers and agents
- May, Charles E · President
- May, Leta Jane · Secretary,treasurer
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 606143 | Sep 13, 2005 | Sep 13, 2005 | Mayco Oil | Montague | Jester #1 | 8,500 | 33733749 |
| 376852 | Aug 29, 1990 | Aug 29, 1990 | Mayco Oil | Montague | JCS #1 | 4,980 | 33732603 |
| 373005 | May 8, 1990 | May 8, 1990 | Mayco Oil | Montague | Collier #2 | 7,200 | 33732797 |
| 362481 | Aug 8, 1989 | Aug 8, 1989 | Mayco Oil | Montague | Redman #1 | 7,200 | 33732805 |
| 358086 | Apr 17, 1989 | Apr 17, 1989 | Mayco Oil | Young | Newman #2 | 1,600 | 50330575 |
| 349998 | Aug 10, 1988 | Aug 10, 1988 | Mayco Oil | Knox | Followill #1 | 2,500 | 27531891 |
| 349221 | Jul 25, 1988 | Jul 25, 1988 | Mayco Oil | Clay | Veitenheimer #M 1 | 6,300 | 07734257 |
| 344250 | Mar 25, 1988 | Mar 25, 1988 | Mayco Oil | Montague | Boland #1 | 2,750 | 33701338 |
| 339478 | Dec 2, 1987 | Dec 2, 1987 | Mayco Oil | Clay | Wynn Heirs #3 | 4,900 | 07734202 |
| 322465 | Nov 4, 1986 | Nov 4, 1986 | Mayco Oil | Montague | JCS "B" #1 | 7,000 | 33732680 |
| 301958 | May 9, 1986 | May 9, 1986 | Mayco Oil | Clay | Wynn Heirs #2 | 4,500 | 07734032 |
| 299931 | Mar 19, 1986 | Mar 19, 1986 | Mayco Oil | Clay | Wynn Estate #4 | 4,400 | 07734013 |
| 295567 | Jan 17, 1986 | Jan 17, 1986 | Mayco Oil | Montague | Lowery #1 | 4,990 | 33732630 |
| 288834 | Oct 31, 1985 | Oct 31, 1985 | Mayco Oil | Clay | Wynn Heirs #1 | 4,200 | 07733927 |
| 289113 | Oct 29, 1985 | Oct 29, 1985 | Mayco Oil | Montague | JCS #1 | 7,500 | 33732603 |
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/535785, documented in the API reference.