OPERATORS · RRC 139685  · P-5 STATUS Y

Caswell Bros. Oil Co

Caswell Bros. Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 2, 1996.

The RRC wellbore file lists 10 wells under its operatorship.

7 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed November 4, 2016.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 10 of record
6
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.

43%
spud rate · 3 of 7 mature permits
96
median days permit to spud · middle half 50–110
0
spuds, last 180 days
0%
cancelled · 0 permits
4
expired undrilled
0
permits a year over 20 active years

Where

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

County12 moAll timeWellsLast
Montague county →—47Aug 2, 1996
Wise county →—23Jan 26, 1996
Clay county →—10Oct 22, 1985

All 7 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
Mississippian10
Caddo10

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
54.4K
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

10
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
7
plugged

How it got them

0
permitted itself
5
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 →

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
Reenter005
Other002

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 Nov 4, 2016
Address
Box 547
Bowie, TX 76230
(940) 531-1407
Officers and agents
Caswell, Elmer Estate OF · Partner
Caswell, Gary · Partner/Executor
Caswell, Norman · Partner/Executor

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
451070Aug 2, 1996Aug 2, 1996Caswell Bros. Oil Co.MontagueThomas #16,90033700084
444168Jan 26, 1996Jan 26, 1996Caswell Bros. Oil Co.WiseHopkins A #16,45049731311
440852Nov 30, 1995Nov 30, 1995Caswell Bros. Oil Co.MontagueWingate #17,20033732883
377519Sep 5, 1990Sep 5, 1990Caswell Bros. Oil Co.MontagueCaswell, J. L. #16,41333702166
377044Aug 23, 1990Aug 23, 1990Caswell Bros. Oil Co.MontagueKrammer #16,29133701954
335425Sep 2, 1987Sep 2, 1987Wolsey Oil Inc.MontagueLaird #1B5,91333700397
288389Oct 22, 1985Oct 22, 1985Caswell Bros. Oil Co.ClayMayfield, Ida Mae #16,35007730619
176281Oct 19, 1982Oct 19, 1982Mote Resources, Inc.WiseHopkins #16,45049732480
129241Aug 10, 1981Aug 10, 1981KGB Oil Corp.MontagueEvans - Holly #17,00033731733
85527Jul 1, 1980Jul 1, 1980KGB Oil Corp.MontagueCaswell-Irene #16,35033731424
79401Apr 28, 1980Apr 28, 1980KGB Oil Corp.MontagueCaswell, Elmer & William #26,40033731380
4374Aug 1, 1977Aug 1, 1977Caswell Bros. Oil Co.WiseWatson, Carl H. #15,89549730488

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/139685, documented in the API reference.