Petrora

OPERATORS · RRC 527850  · P-5 STATUS Y

Marshall & Winston, Inc

Midland, TX

Watch this operator

Marshall & Winston, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued October 25, 2013.

The RRC wellbore file lists 74 wells under its operatorship.

359 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed April 4, 2026.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 74 of record
34
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.

60%
spud rate · 215 of 359 mature permits
12
median days permit to spud · middle half 5–28
0
spuds, last 180 days
0%
cancelled · 0 permits
144
expired undrilled
10
permits a year over 37 active years

Where

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

County12 moAll timeWellsLast
Concho county →—9925Jul 8, 1997
Edwards county →—4613Jun 2, 2011
Borden county →—368Dec 12, 2005
Stonewall county →—315Jun 11, 2010
Gonzales county →—276Feb 17, 1983
Dickens county →—121Mar 9, 2007
Mitchell county →—123Dec 18, 1987
Coke county →—101Jun 23, 1999
Wilson county →—101Mar 7, 1983
Garza county →—92Sep 12, 1995
Pecos county →—82Oct 25, 2013
Tom Green county →—71Nov 30, 2000
Fisher county →—62Oct 26, 1988
Howard county →—50Oct 27, 2003
Crockett county →—40Jul 10, 1997
Dawson county →—40Nov 6, 2008
King county →—40Nov 13, 1992
Nolan county →—41Aug 13, 1986
Reeves county →—40Jul 7, 2006
Ector county →—32Nov 3, 1986
Kent county →—20Feb 28, 1996
Sutton county →—20Jan 25, 2005
Terrell county →—21Jun 19, 2006
Ward county →—20Jul 29, 2008
Baylor county →—10Apr 28, 1986
Haskell county →—10Jun 20, 2002
Irion county →—10Apr 14, 2005
Loving county →—10Jun 12, 1997
Lynn county →—10Jul 14, 2004
Reagan county →—10Feb 22, 2001
Schleicher county →—10Jan 27, 2005
Scurry county →—10Mar 31, 1988
Val Verde county →—10Sep 3, 2002
Zavala county →—10Jul 10, 1990

All 359 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
Canyon360
Strawn320
Ellenburger270
Mississippian160
Spraberry120
Woodford80
Caddo80
Coleman Junction60
San Andres40
Fusselman40
Dean40
Pennsylvanian40
Cisco30
Palo Pinto30
Lamar20

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
-100%
vs the 12 months before
0
mcf gas incl. casinghead, last 12
4.91M
bbl oil since reporting began

Oil, barrels

Last 12 months 0 · prior 12 4,999(-100%)

05001K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

74
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
57
plugged

How it got them

71
permitted itself
2
acquired from others
160
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 19
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Concho0 active0 bbl/d
Borden0 active0 bbl/d
Howard0 active0 bbl/d
Pecos0 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
Drill00302
Field transfer0022
Recompletion0020
Reenter0012
Other003

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
Lonesome Dove II (King Sand)54646300190
Frances Hill (Penn Lower)32519510120
Pipe Dream (King Sand)7166922550
Mount Olive (Tannehill)6338950040
Cost (Austin Chalk)2089910030
Winston (Austin Chalk)9811150030
Blackard (Fusselman)854130030
Pavo Mesa (Strawn)6983450030
Storie West (Miss.)8637550020
Lazy R. (Strawn Detritus)5256750020
Jogger (Ellenburger)4676550020
Jameson N. (Odom)4558230020

P-5 organization report

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

Registration
Status code Y
Last filed Apr 4, 2026
Address
P O Box 50880
Midland, TX 79710
(432) 553-9747
Officers and agents
Wyman, Steven M. · Chairman Emeritus
Brandt, Thomas M · President
Rice, Charles G · Secretary,treasurer
Winston, Tor · Director
Winston, Frederick · Director
McLelland, Maribel · Filing Agent
Winston, Frederick Crosby · Director
Marshall, William S Jr · Director
All 12 on the P-5 →

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
772028Oct 25, 2013Oct 25, 2013Marshall & Winston, Inc.PecosMedicine Hat 529B #2HH9,15037139123
748767Oct 10, 2012Oct 10, 2012Marshall & Winston, Inc.PecosComanche #210,00037139000
748762Oct 10, 2012Oct 10, 2012Marshall & Winston, Inc.PecosComanche #110,00037138999
748762Oct 10, 2012Oct 10, 2012Marshall & Winston, Inc.PecosComanche #1HH10,00037138999
748760Oct 2, 2012Oct 2, 2012Marshall & Winston, Inc.PecosMedicine Hat 529 #110,00037138997
748760Oct 2, 2012Oct 2, 2012Marshall & Winston, Inc.PecosMedicine Hat 529 #1HH9,20037138997
717253Jun 2, 2011Jun 2, 2011Marshall & Winston, Inc.EdwardsFagan #19028,20013732115
717186May 26, 2011May 26, 2011Marshall & Winston, Inc.EdwardsHolland #17,00013732111
697494Jun 11, 2010Jun 11, 2010Marshall & Winston, Inc.StonewallWillow Creek #15,00043333582
696929Jun 4, 2010Jun 4, 2010Marshall & Winston, Inc.PecosSapphire 'A' #16,00037131010
674255Nov 6, 2008Nov 6, 2008Marshall & Winston, Inc.DawsonBuchanan #19,20011533271
666834Aug 5, 2008Aug 5, 2008Marshall & Winston, Inc.EdwardsTurney #18,50013731973
666361Jul 29, 2008Jul 29, 2008Marshall & Winston, Inc.WardUniversity 7 #17,50047535431
666357Jul 29, 2008Jul 29, 2008Marshall & Winston, Inc.WardUniversity 6 #17,50047535428
665325Jul 16, 2008Jul 16, 2008Marshall & Winston, Inc.EdwardsCarpenter "A" #17,00013731959

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/527850, documented in the API reference.