Petrora

OPERATORS · RRC 555040  · P-5 STATUS Y

McNallen Oil Co., Inc

Keller, TX

Watch this operator

Mcnallen Oil CO., Inc has filed no drilling permits in the past 12 months; its most recent permit was issued June 27, 2019.

The RRC wellbore file lists 6 wells under its operatorship.

13 drilling permits have been issued to this operator number since 1982; its P-5 organization report was last filed May 5, 2023.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 6 of record
5
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.

31%
spud rate · 4 of 13 mature permits
35
median days permit to spud · middle half 18–61
0
spuds, last 180 days
0%
cancelled · 0 permits
9
expired undrilled
0
permits a year over 38 active years

Where

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

County12 moAll timeWellsLast
Stephens county →—126Jun 27, 2019
Eastland county →—10Sep 11, 1986

All 13 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
Caddo70
Strawn10
Duffer10

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
259K
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

6
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
4
plugged

How it got them

5
permitted itself
1
acquired from others
5
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

Stephens0 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
Drill0010
Recompletion003

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
Stephens County Regular8594800140
Pitz (Duffer)7177710010
Stephens County Regular (Gas)8594810010

P-5 organization report

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

Registration
Status code Y
Last filed May 5, 2023
Address
P O Box 2664
Keller, TX 76244
(817) 307-5056
Officers and agents
McNallen, Don · President
McNallen, Pat · Vice President
McNallen, Spencer · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
854560Jun 27, 2019Jun 27, 2019McNallen Oil Co., Inc.StephensCaldwell, C.M. #53,42042936220
617084Apr 5, 2006Apr 5, 2006Braka Operating, L.L.C.StephensCaldwell #54,25042936220
553075Nov 10, 2004Nov 10, 2004McNallen Oil Co., Inc.StephensFincher, A. M. #184,40042934333
325862Jan 27, 1987Jan 27, 1987McNallen Oil Co., Inc.StephensFincher, A. M. #193,35042934833
320438Sep 11, 1986Sep 11, 1986McNallen Oil Co., Inc.EastlandSmith, H. L. #13,80013336957
266870Feb 14, 1985Feb 14, 1985McNallen Oil Co., Inc.StephensCaldwell, C. M. "A" #13,40042934392
244412Jul 9, 1984Jul 9, 1984McNallen Oil Co., Inc.StephensHittson, L. M. #13,30042934155
221859Nov 28, 1983Nov 28, 1983McNallen Oil Co., Inc.StephensCaldwell, C. M. #43,47142933931
213748Sep 22, 1983Sep 22, 1983McNallen Oil Co., Inc.StephensCaldwell, C. M. #13,40042933234
198996Jun 21, 1983Jun 21, 1983McNallen Oil Co., Inc.StephensCaldwell, C. M. #2 W3,35042933707
198995Jun 21, 1983Jun 21, 1983McNallen Oil Co., Inc.StephensCaldwell, C. M. #33,40042933706
174668Oct 18, 1982Oct 18, 1982McNallen Oil Co., Inc.StephensDowning, H. B. #13,40042933472
172855Sep 24, 1982Sep 24, 1982McNallen Oil Co., Inc.StephensLucius, J. B. #13,30042933456
153450Mar 16, 1982Mar 16, 1982McNallen Oil Co., Inc.StephensCaldwell, C.M. #13,40042933234
55180Aug 9, 1979Aug 9, 1979Carey, R. J.StephensCarey, R. J. #23,23242930818

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/555040, documented in the API reference.