OPERATORS · RRC 554200  · P-5 STATUS Y

McMullan Oil Co

San Antonio, TX

Watch this operator

Mcmullan Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued November 8, 1984.

The RRC wellbore file lists 3 wells under its operatorship.

4 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed May 5, 1995.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 3 of record
1
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
Guadalupe county →—41Nov 8, 1984

All 4 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 →

FormationWellsPermitted 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
60
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

3
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
1
plugged

How it got them

1
permitted itself
1
acquired from others
1
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 →

Type12 moPrior 12All time
Drill004

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.

FieldWellsProducing
LA Vernia5109300110
McMoran (8960)5981885210
McMoran (Vicksburg 8200)5981828410

P-5 organization report

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

Registration
Status code Y
Last filed May 5, 1995
Address
519 East Mandalay
San Antonio, TX 78212
Officers and agents
McMullan, Ann · Joint Venturer
McMullan, James A. · Joint Venturer
McMullan, Ashby · Joint Venturer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
494119Apr 14, 2000Apr 14, 2000Merit Energy CompanyHidalgoGuerra, Arcadio #19,66521520028
494119Apr 14, 2000Apr 14, 2000Merit Energy CompanyHidalgoGuerra, Arcadio #19,66521520028
257319Nov 8, 1984Nov 8, 1984McMullan Oil CompanyGuadalupeMcMullan #21,35018732906
100381Nov 25, 1980Nov 25, 1980McMullan Oil CompanyGuadalupeMcMullan #31,35018731358
100380Nov 25, 1980Nov 25, 1980McMullan Oil CompanyGuadalupeMcMullan #11,35018731357
100379Nov 25, 1980Nov 25, 1980McMullan Oil CompanyGuadalupeMcMullan #21,35018731356

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/554200, documented in the API reference.