OPERATORS · RRC 525380  · P-5 STATUS Y

Marathon Oil Co

Marathon Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued April 30, 2020.

The RRC wellbore file lists 762 wells under its operatorship.

3,707 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 762 of record
326
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.

48%
spud rate · 1,782 of 3,707 mature permits
27
median days permit to spud · middle half 12–53
0
spuds, last 180 days
0%
cancelled · 10 permits
1,912
expired undrilled
86
permits a year over 43 active years

Where

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

County12 moAll timeWellsLast
Pecos county →—1,857123Apr 30, 2020
Freestone county →—21926Nov 12, 2008
Matagorda county →—21236Jan 25, 2002
San Patricio county →—197176Sep 14, 2000
Crockett county →—15627Mar 23, 2000
Reagan county →—12916Aug 6, 2008
Howard county →—114103Mar 13, 2000
Limestone county →—7919Oct 26, 2010
Cherokee county →—7410Jun 8, 2010
Sterling county →—6023Jul 19, 2000
Fayette county →—588Sep 25, 2006
Leon county →—535Oct 21, 2013
Shelby county →—532Nov 2, 2012
Grimes county →—481Feb 23, 2009
Tom Green county →—3716Sep 22, 1994
Gonzales county →—257Mar 10, 1992
Wilson county →—257Nov 4, 2011
Irion county →—246Mar 11, 1998
Rusk county →—2414Jan 27, 1997
Robertson county →—234Feb 21, 2007
Kent county →—204Feb 2, 1995
Nacogdoches county →—206Aug 5, 2008
Ector county →—181Mar 23, 1999
Andrews county →—123Aug 14, 1996
King county →—123May 14, 1993
Schleicher county →—101Aug 22, 1996
Atascosa county →—80Oct 25, 2011
Gaines county →—83Jun 5, 1997
Hamilton county →—87Apr 14, 2007
Upshur county →—84Nov 26, 1996
Upton county →—86Mar 21, 1997
Lee county →—64May 11, 2009
Navarro county →—65Oct 3, 1996
Stonewall county →—613Dec 18, 1996
Washington county →—61Jan 30, 1998
Winkler county →—61May 20, 1997
Cass county →—51Oct 14, 1994
Concho county →—40Dec 1, 1988
Reeves county →—42Oct 7, 1983
Brazos county →—31Feb 21, 1992
Briscoe county →—30Oct 19, 1982
Calhoun county →—36Aug 29, 1984
Duval county →—31Sep 13, 1990
Henderson county →—30Apr 10, 1996
Hockley county →—30Jul 30, 1999
Loving county →—30Jul 6, 1988
Val Verde county →—30Mar 29, 1985
Yoakum county →—33Sep 10, 1999
Austin county →—22Dec 11, 1998
Harrison county →—26May 21, 1991
Kenedy county →—20Jun 16, 1983
Menard county →—21Nov 13, 1987
San Augustine county →—21Dec 4, 1998
Terry county →—21Jul 3, 1991
Webb county →—20Apr 17, 1991
Wood county →—22Dec 17, 1993
Castro county →—10Apr 7, 1981
Cochran county →—10Jul 7, 1980
Coke county →—15Jul 1, 1983
Colorado county →—12Nov 16, 1977
Crane county →—12Sep 5, 1991
Crosby county →—10Apr 12, 1989
Dimmit county →—10Dec 20, 1991
Erath county →—11Apr 11, 2007
Frio county →—10Aug 30, 2011
Garza county →—11Oct 21, 1986
Gregg county →—10Oct 1, 1980
Harris county →—10Apr 25, 1979
Hopkins county →—10Sep 17, 1992
Jack county →—10Apr 12, 1984
LA Salle county →—11Dec 9, 1991
Marion county →—11Jan 12, 1982
Mustang IS-LB county →—10Jan 30, 1979
Sabine county →—11Oct 6, 1993
Smith county →—14Jul 9, 1991
Throckmorton county →—13Sep 28, 1992
Ward county →—10Dec 5, 1988
Zapata county →—10Mar 19, 1990

All 3,707 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
Queen1,498188
Seven Rivers1,467188
San Andres1,424189
Yates1,352176
Grayburg1,308184
Base Cretaceous (marker)1,155176
Pettit2720
Travis Peak2690
James Lime1930
Cotton Valley1890
Bossier1880
Rodessa1630
Austin Chalk1240
Frio820
Miocene (undifferentiated)790

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
183M
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

762
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
336
plugged

How it got them

216
permitted itself
188
acquired from others
1,317
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 338
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Pecos0 active0 bbl/d
San Patricio0 active0 bbl/d
Crockett0 active0 bbl/d
Matagorda0 active0 bbl/d
Reagan0 active0 bbl/d
Sterling0 active0 bbl/d
Upton0 active0 bbl/d
Howard0 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
Drill002,411
Recompletion001,182
Other0061
Reenter0040
Field transfer008
Reclass005

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 Apr 4, 2026
CSGD/PG/PUR
Address
P.O. Box 2197 Regulatory Department
Houston, TX 77252
(800) 332-9449
Officers and agents
CSC - Lawyers Incor. Serv. Co. · Texas Resident Agent
Gresh, Philip M III · Vice President and Treasurer
Carter, Stacey A · Assistant Secretary
Wagoner, Douglas D · Tax Administration Officer
Hamilton, Leslie D · Assistant Tax Administration Off
Haynes-Welsh, Kontessa S · Vice President and Treasurer
Bode, Donna J · Tax Administration Officer
Pregler, Matt R · Assistant Treasurer
All 12 on the P-5 →

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
909593Jul 31, 2025Jul 31, 2025Kinder Morgan Production Co LLCPecosYates Field Unit #49L20H1,99937106580
905555Jan 31, 2025Jan 31, 2025Kinder Morgan Production Co LLCPecosYates Field Unit #49G29H1,99937106567
901043Jul 9, 2024Jul 9, 2024Kinder Morgan Production Co LLCPecosYates Field Unit #49A41H1,99937106117
895924Dec 15, 2023Dec 15, 2023Kinder Morgan Production Co LLCPecosYates Field Unit #49G30H1,99937106104
887747Feb 9, 2023Feb 9, 2023Kinder Morgan Production Co LLCPecosYates Field Unit #50A05H1,99937107755
882499Aug 2, 2022Aug 2, 2022Kinder Morgan Production Co LLCPecosYates Field Unit #40B391,99937107098
878666Apr 8, 2022Apr 8, 2022Kinder Morgan Production Co LLCPecosYates Field Unit #46C08H1,99937106405
875172Dec 15, 2021Dec 15, 2021Kinder Morgan Production Co LLCPecosYates Field Unit #51E28H1,99937106807
870967Jul 20, 2021Jul 20, 2021Dallas Petroleum Group, LLCSan PatricioR.H. Welder -B- #128,00440900385
870020May 26, 2021May 26, 2021Kinder Morgan Production Co LLCPecosYates Field Unit #49J37H1,99937107122
865878Nov 13, 2020Nov 13, 2020Kinder Morgan Production Co LLCPecosYates Field Unit #46C03H1,99937106136
865767Oct 29, 2020Oct 29, 2020Kinder Morgan Production Co LLCPecosYates Field Unit #40F09H1,99937106112
856612Apr 30, 2020Apr 30, 2020Marathon Oil CompanyPecosYates Field Unit #275E331,69037140144
862923Mar 20, 2020Mar 20, 2020Kinder Morgan Production Co LLCPecosYates Field Unit #49K49H1,99937107102
860554Jan 9, 2020Jan 9, 2020Kinder Morgan Production Co LLCPecosYates Field Unit #50A04H1,99937106098

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/525380, documented in the API reference.