OPERATORS · RRC 566597  · P-5 STATUS Y

Midwestern Expl Co

Midwestern Expl CO has filed no drilling permits in the past 12 months; its most recent permit was issued April 24, 2013.

The RRC wellbore file lists 11 wells under its operatorship.

43 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed December 4, 2020.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 11 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.

53%
spud rate · 23 of 43 mature permits
38
median days permit to spud · middle half 20–154
0
spuds, last 180 days
0%
cancelled · 0 permits
20
expired undrilled
1
permits a year over 29 active years

Where

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

County12 moAll timeWellsLast
Ochiltree county →—277Apr 24, 2013
Zavala county →—83Sep 14, 2007
Hartley county →—40Nov 6, 1992
Lipscomb county →—31May 8, 1997
Hemphill county →—10Dec 22, 1993

All 43 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 →

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
351K
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

11
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
10
plugged

How it got them

6
permitted itself
2
acquired from others
9
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

Zavala0 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
Drill0020
Recompletion0015
Reenter007
Other001

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.

P-5 organization report

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

Registration
Status code Y
Last filed Dec 4, 2020
Address
3500 S Boulevard Ste 2B
Edmond, OK 73013
(405) 401-7681
Officers and agents
Williams, Warren Rob · Texas Resident Agent
Lollar, Dale J. · President
Lollar, Enid L. · Secretary/Treasurer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
759601Apr 24, 2013Apr 24, 2013Midwestern Exploration Co.OchiltreeWitt #38,80035732065
752667Dec 11, 2012Dec 11, 2012Midwestern Exploration Co.OchiltreeAda Witt #18,80035732069
677397Mar 26, 2009Mar 26, 2009Midwestern Exploration Co.OchiltreeGeorge, Gary #28,80035732086
677399Mar 6, 2009Mar 6, 2009Midwestern Exploration Co.OchiltreeNeufeld #28,84035732125
645881Sep 14, 2007Sep 14, 2007Midwestern Exploration Co.ZavalaEncino Viejo Ranch #2213,36050730911
535233Aug 12, 2003Aug 12, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch #2433,81050700293
535232Aug 12, 2003Aug 12, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch B #3323,71050732021
535231Aug 12, 2003Aug 12, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch #2223,98550730447
530655Apr 14, 2003Apr 14, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch #2213,94550730911
530655Apr 14, 2003Apr 14, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch #2213,94550730911
530654Apr 14, 2003Apr 14, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch #3425,98050730314
530653Apr 14, 2003Apr 14, 2003Midwestern Exploration Co.ZavalaEncino Viejo Ranch #2413,81550700291
521781Aug 22, 2002Aug 22, 2002Midwestern Exploration Co.OchiltreeWitt #18,70035731995
511427Jul 17, 2001Jul 17, 2001Midwestern Exploration Co.OchiltreeGeorge, Gary #18,80035732047
511414Jul 17, 2001Jul 17, 2001Midwestern Exploration Co.OchiltreeWitt #48,80035732093

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/566597, documented in the API reference.