OPERATORS · RRC 559563 · P-5 STATUS Y

Mellon Oper Co

Houston, TX

Mellon Oper CO has filed no drilling permits in the past 12 months; its most recent permit was issued July 8, 1983.

The RRC wellbore file lists 1 well under its operatorship.

9 drilling permits have been issued to this operator number since 1981; its P-5 organization report was last filed September 15, 1988.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 1 of record
0: 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.

11%: spud rate · 1 of 9 mature permits
14: median days permit to spud · middle half 14–14
0: spuds, last 180 days
0%: cancelled · 0 permits
8: expired undrilled
5: permits a year over 2 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
Burleson county →	—	6	1	Dec 1, 1981
Milam county →	—	2	0	Feb 18, 1982
Starr county →	—	1	0	Jul 8, 1983

All 9 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
No completion tops on file.

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

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

How it got them

1: permitted itself
0: acquired from others
2: 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	9

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
Chambers (Navarro)16804500	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Sep 15, 1988

Address: 1201 Louisiana, Ste. 3150; Houston, TX 77002

Officers and agents: Myers, H. O. · President; McClain, Robert S. · Vice President; Ayers, Williams J. · Secretary

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
200869	Jul 8, 1983	Jul 8, 1983	Mellon Operating Company	Starr	Guerra Ranch #1	6,500	42731780
151389	Feb 18, 1982	Feb 18, 1982	Mellon Operating Company	Milam	McBride, Flossie et AL #1	3,500	33131299
151036	Feb 18, 1982	Feb 18, 1982	Mellon Operating Company	Milam	Fussell, J.H. #1	3,500	33131288
142223	Dec 1, 1981	Dec 1, 1981	Mellon Operating Company	Burleson	Varner, Doris #1	4,000	05132026
142221	Dec 1, 1981	Dec 1, 1981	Mellon Operating Company	Burleson	Burney, E.F. #1	4,000	05132025
142220	Dec 1, 1981	Dec 1, 1981	Mellon Operating Company	Burleson	Prokish, Hazel #1	4,000	05132024
142218	Dec 1, 1981	Dec 1, 1981	Mellon Operating Company	Burleson	Key, Leonard #1	3,800	05132023
142216	Dec 1, 1981	Dec 1, 1981	Mellon Operating Company	Burleson	Johnston, Velma #1	4,000	05132022
141223	Nov 20, 1981	Nov 20, 1981	Mellon Operating Company	Burleson	Boedecker, Harold L. #1	4,300	05131990

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/559563, documented in the API reference.