Petrora

OPERATORS · RRC 253  · P-5 STATUS Y

A.j.& M. Oil Co

Flatonia, TX

Watch this operator

A.J.& M. Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued December 31, 1984.

The RRC wellbore file lists 31 wells under its operatorship.

6 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed June 4, 2026.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 31 of record
14
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.

83%
spud rate · 5 of 6 mature permits
366
median days permit to spud · middle half 2–730
0
spuds, last 180 days
0%
cancelled · 0 permits
1
expired undrilled
6
permits a year over 1 active year

Where

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

County12 moAll timeWellsLast
Medina county →—612Dec 31, 1984

All 6 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
3.91K
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

31
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
29
plugged

How it got them

0
permitted itself
31
acquired from others
6
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

DE Witt0 active0 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 →

Type12 moPrior 12All time
Drill006

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
Giddings (Austin Chalk-3)3473350070
Leoncita (San Miguel)5329570060
Leoncita (Anacacho North)5329551050
Dubina W. (Oakville 500)2623050030
Liberty South5349800120
Cost (Austin Chalk)2089910020
Ray-Wilcox (Mackhank)7494728410
Cottonwood Creek South2104800110
Danbury Dome N. (Marg Frio)2297760010
First Shot (Austin Chalk)3096710010
Leoncita (Anacacho)5329550010
Neal Hill (7400)6467950010

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
PO Box 821
Flatonia, TX 78941
Officers and agents
Massey, Samuel J. · Sole Proprietor

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
428056Sep 15, 1994Sep 15, 1994Mescalero Energy, Inc.FayetteShorty (Horiz) OL Unit #1HH11,50014930392
394447Nov 26, 1991Nov 26, 1991Caloco Energy, Inc.FayetteShowdown/Andrew Pietsch #1 HH12,00014932547
394447Nov 26, 1991Nov 26, 1991Caloco Energy, Inc.FayetteShowdown/Andrew Pietsch #1 HH12,00014932547
385997Mar 22, 1991Mar 22, 1991Basin Resources CorporationGonzalesBasin-Lucas #1H15,77717731894
374947Jun 27, 1990Jun 27, 1990Wofford, C. J.DE WittButler, M. R. #112,00012331596
356260Feb 23, 1989Feb 23, 1989U.S. Exploration CompanyBeeFudge, Mary R. ET-AL #18,40002532461
353766Dec 1, 1988Dec 1, 1988JWR Exploration, Inc.DE WittButler, M. R. #112,00012331596
350798Nov 2, 1988Nov 2, 1988WCS Oil and Gas CorporationFayetteShorty (Horiz) Unit #1H10,00014930392
347086May 27, 1988May 27, 1988Bayport Operating, Inc.BrazoriaPrice, J. E. et AL #15,60003932292
347086May 27, 1988May 27, 1988Bayport Operating, Inc.BrazoriaPrice, J. E. et AL #15,61603932292
344682Apr 4, 1988Apr 4, 1988U.S. Exploration CompanyBeeFudge, Mary R. et AL #19,30002532461
329057Apr 15, 1987Apr 15, 1987Bayport Operating, Inc.FayetteWest Dubina Gas Unit "S" #280014932231
329056Apr 15, 1987Apr 15, 1987Bayport Operating, Inc.FayetteWest Dubina Gas Unit "N" #280014932230
323994Dec 5, 1986Dec 5, 1986Bayport Operating, Inc.FayetteJanicek #180014932209
323993Dec 5, 1986Dec 5, 1986Bayport Operating, Inc.LibertyHooks, et AL #17,60029131999

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/253, documented in the API reference.