OPERATORS · RRC 139591  · P-5 STATUS Y

Cassell Oil Co

North Webster, IN

Watch this operator

Cassell Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued January 6, 1984.

The RRC wellbore file lists 2 wells under its operatorship.

40 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed December 13, 1985.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 2 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.

50%
spud rate · 20 of 40 mature permits
13
median days permit to spud · middle half 4–110
0
spuds, last 180 days
0%
cancelled · 0 permits
20
expired undrilled
6
permits a year over 7 active years

Where

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

County12 moAll timeWellsLast
Brown county →—321Jan 6, 1984
Eastland county →—71May 17, 1979
Comanche county →—10Jan 17, 1979

All 40 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
Caddo20
Duffer20
Marble Falls10

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

2
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
2
plugged

How it got them

2
permitted itself
0
acquired from others
16
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
Drill0037
Other002
Recompletion001

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
Eastland County Regular2735800110
Jett (Duffer)4632040010

P-5 organization report

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

Registration
Status code Y
Last filed Dec 13, 1985
Address
Box 321
North Webster, IN 46555
Officers and agents
Cassell, James M. · Manager
Cassell, Merlin E. · Owner

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
225975Jan 6, 1984Jan 6, 1984Cassell Oil Co.BrownArmstrong, L. P. #365004933881
190589Apr 5, 1983Apr 5, 1983Cassell Oil Co.BrownArmstrong, L. P. #11,79204932077
173430Oct 4, 1982Oct 4, 1982Cassell Oil Co.BrownEzzell -A- #12,40004931088
168593Aug 9, 1982Aug 9, 1982Cassell Oil Co.BrownArmstrong, L. P. #21,65004933238
164521Jun 23, 1982Jun 23, 1982Cassell Oil Co.BrownBusbee #4-S1,15004933201
77768Apr 7, 1980Apr 7, 1980Cassell Oil Co.BrownByrd, O. B. #33,15004932300
76855Apr 1, 1980Apr 1, 1980Cassell Oil Co.BrownTischler D #1D2,50004932288
60119Oct 10, 1979Oct 10, 1979Cassell Oil Co.BrownVavrina #23,14004932161
60117Oct 10, 1979Oct 10, 1979Cassell Oil Co.BrownVavrina #13,50004932160
60111Oct 10, 1979Oct 10, 1979Cassell Oil Co.BrownByrd, O. B. "A" #13,40004932159
57468Aug 22, 1979Aug 22, 1979Cassell Oil Co.BrownBarr, C. A. #13,50004932093
52630Jul 11, 1979Jul 11, 1979Cassell Oil Co.BrownArmstrong, L. P. #13,18404932077
52128Jul 3, 1979Jul 3, 1979Cassell Oil Co.BrownByrd, O. B. #23,50004932076
50678Jun 13, 1979Jun 13, 1979Cassell Oil Co.BrownBagley #13,22504932062
49778May 31, 1979May 31, 1979Cassell Oil Co.BrownEzzell #13,35604932052

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/139591, documented in the API reference.