OPERATORS · RRC 536905 · P-5 STATUS Y

Mayne & Mertz, Inc

Midland, TX

Mayne & Mertz, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued April 7, 2009.

The RRC wellbore file lists 16 wells under its operatorship.

21 drilling permits have been issued to this operator number since 1986; its P-5 organization report was last filed December 2, 2016.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 16 of record
16: 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.

71%: spud rate · 15 of 21 mature permits
10: median days permit to spud · middle half 4–30
0: spuds, last 180 days
0%: cancelled · 0 permits
6: expired undrilled
1: permits a year over 23 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
Irion county →	—	7	1	Apr 7, 2009
Colorado county →	—	3	0	Jul 27, 1995
Coke county →	—	2	3	Mar 16, 1988
Crane county →	—	1	3	Sep 30, 1991
Ector county →	—	1	0	Nov 19, 1992
Goliad county →	—	1	1	Aug 10, 1994
Hockley county →	—	1	0	Dec 1, 1986
Houston county →	—	1	0	Oct 11, 1995
Jackson county →	—	1	1	Nov 17, 1994
Lavaca county →	—	1	0	Dec 4, 1995
Upton county →	—	1	0	Mar 28, 2002
Wharton county →	—	1	1	Sep 20, 1994

All 21 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
Dean	4	0
Canyon	4	0
San Andres	4	0
Wolfcamp	4	0
Yates	2	0
Frio	2	0
Wilcox	1	0
Yegua	1	0
Queen	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
219K: 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

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

How it got them

4: permitted itself
7: 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

0: active UIC permits of 1
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Reagan

0 active

0 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 →

Type	12 mo	Prior 12	All time
Drill	0	0	20
Reenter	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
Higgins Ranch (Canyon)41117500	3	0
Calvin (Dean)14937333	2	0
Edwards -04- (Waddell)27775830	2	0
Fuhrman-Mascho33176001	2	0
Tail Feathers (Yegua)88152495	1	0
Wildcat16001	1	0
Calvin S Dream (Miocene)14946250	1	0
Lost Bridge (Laurie)55026629	1	0
Spraberry (Trend Area)85279200	1	0
Carlsbad (Strawn Reef)15703500	1	0
Edwards -04- (Bend)27775083	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Dec 2, 2016

Address: P O Box 183; Midland, TX 79702; (432) 528-0347

Officers and agents: Mayne, William Taylor · President; Mertz, Len P. · Vice President

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
678771	Apr 7, 2009	Apr 7, 2009	Mayne & Mertz, Inc.	Irion	Faudree #2	990	23534426
678771	Mar 4, 2009	Mar 4, 2009	Mayne & Mertz, Inc.	Irion	Faudree #2	990	23534426
675339	Nov 25, 2008	Nov 25, 2008	Mayne & Mertz, Inc.	Irion	Noelke #701	8,000	23534412
672342	Oct 11, 2008	Oct 11, 2008	Mayne & Mertz, Inc.	Irion	Noelke #801	8,000	23534382
670814	Oct 11, 2008	Oct 11, 2008	Mayne & Mertz, Inc.	Irion	Faudree #1	8,200	23534377
668320	Aug 22, 2008	Aug 22, 2008	Mayne & Mertz, Inc.	Irion	Mayer #3701	8,300	23534339
667814	Aug 14, 2008	Aug 14, 2008	Mayne & Mertz, Inc.	Irion	Mayer #3801	8,300	23534324
518576	Mar 28, 2002	Mar 28, 2002	Mayne & Mertz, Inc.	Upton	Castle Gap #1	3,000	46134269
442320	Dec 4, 1995	Dec 4, 1995	Mayne & Mertz, Inc.	Lavaca	Barnes, L. M. #1	6,100	28532345
440572	Oct 11, 1995	Oct 11, 1995	Mayne & Mertz, Inc.	Houston	Lundy, M. L. #1	2,900	22530918
438187	Jul 27, 1995	Jul 27, 1995	Mayne & Mertz, Inc.	Colorado	Taylor, Rip #1	2,900	08931943
432826	Feb 15, 1995	Feb 15, 1995	Mayne & Mertz, Inc.	Colorado	Cochran #1	6,800	08931929
430137	Nov 17, 1994	Nov 17, 1994	Mayne & Mertz, Inc.	Jackson	Drushel Estate #1	5,500	23932833
428241	Sep 20, 1994	Sep 20, 1994	Mayne & Mertz, Inc.	Wharton	Patos Gas Unit #1	8,300	48133735
426825	Aug 10, 1994	Aug 10, 1994	Mayne & Mertz, Inc.	Goliad	Bruns -A- #1	2,200	17532798

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/536905, documented in the API reference.