OPERATORS · RRC 823346  · P-5 STATUS Y

Stone & Webster Oil Co, Inc

Stone & Webster Oil CO, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued May 24, 1995.

The RRC wellbore file lists 12 wells under its operatorship.

36 drilling permits have been issued to this operator number since 1985; its P-5 organization report was last filed June 20, 2003.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 12 of record
1
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.

19%
spud rate · 7 of 36 mature permits
26
median days permit to spud · middle half 8–27
0
spuds, last 180 days
0%
cancelled · 0 permits
29
expired undrilled
4
permits a year over 10 active years

Where

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

County12 moAll timeWellsLast
Lavaca county →—131Oct 23, 1992
DE Witt county →—122May 24, 1995
Victoria county →—33Oct 3, 1989
Colorado county →—22Feb 19, 1987
San Patricio county →—20Oct 8, 1987
Austin county →—10May 18, 1988
Jackson county →—10Jul 5, 1990
Polk county →—10Oct 30, 1985
Wharton county →—10Jul 14, 1986

All 36 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
Wilcox80
Yegua50
Vicksburg30
Jackson20
Edwards10
Frio10
Catahoula10
Miocene (undifferentiated)10

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
4.28K
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

12
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
11
plugged

How it got them

3
permitted itself
6
acquired from others
10
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 3
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Victoria0 active0 bbl/d
Harris0 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
Recompletion0019
Drill0017

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 Jun 20, 2003
Address
500 Dallas St Ste 2800
Houston, TX 77002
Officers and agents
Brslik, William A. · President
Warren, Thomas E. · Vice President
Dethrow, Jeff A. · Vice President
Dethrow, J.A. · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
436197May 24, 1995May 24, 1995Stone & Webster Oil Company, IncDE WittAlves Unit #28,83112300017
434241Mar 28, 1995Mar 28, 1995Stone & Webster Oil Company, IncDE WittStriedel #14,00012331770
431585Jan 5, 1995Jan 5, 1995Stone & Webster Oil Company, IncDE WittGips #110,80012331767
405100Oct 23, 1992Oct 23, 1992Stone & Webster Oil Company, IncLavacaPavlu, Joe #29,90028532168
394913Dec 11, 1991Dec 11, 1991Stone & Webster Oil Company, IncLavacaFruede Unit #19,80028532132
394913Dec 11, 1991Dec 11, 1991Stone & Webster Oil Company, IncLavacaFreude Unit #18,95028532132
393786Nov 8, 1991Nov 8, 1991Stone & Webster Oil Company, IncLavacaAlves Unit #38,96228530003
393271Oct 30, 1991Oct 30, 1991Stone & Webster Oil Company, IncDE WittReiffert Bros. Trust -D- #113,52012331608
391796Sep 11, 1991Sep 11, 1991Stone & Webster Oil Company, IncLavacaRothbauer Unit #110,25328531890
383406Jan 16, 1991Jan 16, 1991Stone & Webster Oil Company, IncDE WittMusselman #114,02512331578
380270Oct 30, 1990Oct 30, 1990Stone & Webster Oil Company, IncLavacaRothbauer Unit #110,25328531890
375066Jul 5, 1990Jul 5, 1990Stone & Webster Oil Company, IncJacksonRowell, L. J. #16,80023931162
365528Oct 24, 1989Oct 24, 1989Stone & Webster Oil Company, IncLavacaTurner Unit #18,86628500352
363512Oct 3, 1989Oct 3, 1989Stone & Webster Oil Company, IncVictoriaKeeran Ranch -C- #17,72046931573
359154May 10, 1989May 10, 1989Stone & Webster Oil Company, IncLavacaChandler Unit #310,00028531157

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/823346, documented in the API reference.