Texas operator records

MARATHON OIL EF LLC

MARATHON OIL EF LLC Texas oil and gas operator page with public well counts, producing signals, permits, completions, P-4 operator-change events, top counties, top fields, recent activity, and linked well records.

Operator No. 525398
Public wells3,447
Non-zero oil/gas wells69
Permitted wells6
Recently completed51
P-4/operator changes0
Last updatedJun 1, 2026
Operator summary

MARATHON OIL EF LLC Texas well context

MARATHON OIL EF LLC Texas oil and gas operator page with public well counts, producing signals, permits, completions, P-4 operator-change events, top counties, top fields, recent activity, and linked well records.

This SSR-rendered operator page links public well records with counties, fields, recent activity, production signals, completions, permits, and source-document context where available. Use it as a research starting point, then verify important facts against official records.

Operator number: 525398.

Production

Recent production summary

Non-zero oil/gas wells69
Production reports832
Water-only reports8
Last 12m oil2,415,572 bbl
Last 12m gas6,608,312 mcf
10 wells

Recent wells

EDWARD ROEDER-MIGURA A SA1 #1H

Dewitt County - MARATHON OIL EF LLC - DE WITT (EAGLE FORD SHALE)

Survey HILL, W G - Abstract 223 - Block and

Recently completedDocument Filed
View record
KIRK-BUTLER B SA1 #1H

Karnes County - MARATHON OIL EF LLC

Survey CI CO - Abstract 307

PermittedDirectional Survey Available
View record
EDWARD ROEDER-JAMES GANO SA1 #1H

Dewitt County - MARATHON OIL EF LLC - DE WITT (EAGLE FORD SHALE)

Survey HILL, W G - Abstract 223 - Block and

Recently completedDocument Filed
View record
ANNE FRIAR THOMAS #7H

MARATHON OIL EF LLC

Survey MC COY, J JR - Abstract 30

ProducingPending Lease Production Reported
View record
ANNE FRIAR THOMAS AC #9H

MARATHON OIL EF LLC

Survey MC COY, J JR - Abstract 30

ProducingPending Lease Production Reported
View record
BEST BATEMAN-BEST HUTH SA1 #1H

MARATHON OIL EF LLC

Survey BRADBERRY, J - Abstract 24

ProducingPending Lease Production Reported
View record
BEST FENNER-MORGAN SA1 #1H

MARATHON OIL EF LLC

Survey BRADBERRY, J - Abstract 24

ProducingPending Lease Production Reported
View record
CHERRY BERGEY SA1 #1H

MARATHON OIL EF LLC

Survey MC COY, J - Abstract 45

ProducingPending Lease Production Reported
View record
CHERRY BERGEY SELMAN SA4 #4H

MARATHON OIL EF LLC

Survey MC COY, J - Abstract 45

ProducingPending Lease Production Reported
View record
CHERRY BERGEY SELMAN SA5 #5H

MARATHON OIL EF LLC

Survey MC COY, J - Abstract 45

ProducingPending Lease Production Reported
View record
0 wells

Recently completed wells

No recent wells are linked yet.

8 wells

Active and producing wells

ANNE FRIAR THOMAS #7H

MARATHON OIL EF LLC

Survey MC COY, J JR - Abstract 30

ProducingPending Lease Production Reported
View record
ANNE FRIAR THOMAS AC #9H

MARATHON OIL EF LLC

Survey MC COY, J JR - Abstract 30

ProducingPending Lease Production Reported
View record
BEST BATEMAN-BEST HUTH SA1 #1H

MARATHON OIL EF LLC

Survey BRADBERRY, J - Abstract 24

ProducingPending Lease Production Reported
View record
BEST FENNER-MORGAN SA1 #1H

MARATHON OIL EF LLC

Survey BRADBERRY, J - Abstract 24

ProducingPending Lease Production Reported
View record
CHERRY BERGEY SA1 #1H

MARATHON OIL EF LLC

Survey MC COY, J - Abstract 45

ProducingPending Lease Production Reported
View record
CHERRY BERGEY SELMAN SA4 #4H

MARATHON OIL EF LLC

Survey MC COY, J - Abstract 45

ProducingPending Lease Production Reported
View record
CHERRY BERGEY SELMAN SA5 #5H

MARATHON OIL EF LLC

Survey MC COY, J - Abstract 45

ProducingPending Lease Production Reported
View record
FELIX UNIT #3H

MARATHON OIL EF LLC

Survey EBERLY, J - Abstract 105

ProducingPending Lease Production Reported
View record
8 events

Recent permit events

Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4217734758
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4212335470
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538265
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538270
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538164
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4212335471
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538149
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538262
Open well pageView source documents
2 events

Recent completion events

Document Filed

EDWARD ROEDER-MIGURA A SA1 #1H - DEWITT - DE WITT (EAGLE FORD SHALE)

Document FiledDewitt CountyMARATHON OIL EF LLCAPI 4212335609
Open well page
Document Filed

EDWARD ROEDER-JAMES GANO SA1 #1H - DEWITT - DE WITT (EAGLE FORD SHALE)

Document FiledDewitt CountyMARATHON OIL EF LLCAPI 4212335597
Open well page
0 events

Recent P-4 Operator-Change Events

No matching activity is linked yet.

10 events

Recent Operator Activity

Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4217734758
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4212335470
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538265
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538270
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538164
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4212335471
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538149
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538262
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538271
Open well pageView source documents
Pending lease production reported

Lease-level production was reported through a pending lease PR row linked by API or drilling permit.

Pending Lease Production ReportedMARATHON OIL EF LLCAPI 4225538148
Open well pageView source documents
12 links

Related counties, fields, wells, and activity

Karnes CountyCountyAtascosa CountyCountyDewitt CountyCountyKarnes Longitude: -98.03916 Mag Reference: Grid North CountyCountyEAGLEVILLE (EAGLE FORD-1)FieldEAGLEVILLE (EAGLE FORD-2)FieldSUGARKANE (EAGLE FORD)FieldDE WITT (EAGLE FORD SHALE)FieldMIDDLE MCCOWEN #196HWellMIDDLE MCCOWEN #197HWellR. MAY A #13HWellREYNOLDS GAS UNIT 2 #2HWell
131 public well cards

Paginated well list

MIDDLE MCCOWEN #196H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey BARRERA, A - Abstract 63

ProducingPending Lease Production Reported
View record
MIDDLE MCCOWEN #197H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey BARRERA, A - Abstract 63

ProducingPending Lease Production Reported
View record
R. MAY A #13H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey ACH&B & H&W - Abstract 61 - Section 1

ProducingPending Lease Production Reported
View record
REYNOLDS GAS UNIT 2 #2H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey MUSQUIZ, R - Abstract 7

ProducingPending Lease Production Reported
View record
REYNOLDS GAS UNIT 2 #3H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey MUSQUIZ, R - Abstract 7

ProducingPending Lease Production Reported
View record
TOM FAMILY UNIT #2H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey BS&F - Abstract 122 - Section 5

ProducingPending Lease Production Reported
View record
ELIZONDO 01 #01H

MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey WHITE, J M - Abstract 288

Recent documentsOperator Change Filed
View record
ELIZONDO 01 #02H

MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey WHITE, J M - Abstract 288

Recent documentsOperator Change Filed
View record
ELIZONDO 01 #03H

MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey WHITE, J M - Abstract 288

Recent documentsOperator Change Filed
View record
ELIZONDO 01 #04H

MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey WHITE, J M - Abstract 288

Recent documentsOperator Change Filed
View record
ELIZONDO 01 #05H

MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey WHITE, J M - Abstract 288

Recent documentsOperator Change Filed
View record
ELIZONDO 01 #06H

MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey WHITE, J M - Abstract 288

Recent documentsOperator Change Filed
View record
GUAJILLO-STCH SA4 #4H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey HOULIHAN, J - Abstract 17

ProducingProduction Correction Detected
View record
BARNHART (EF) #63H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey MC CONNELL, G - Abstract 354

ProducingPending Lease Production Reported
View record
BARNHART (EF) #64H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey MC CONNELL, G - Abstract 354

ProducingPending Lease Production Reported
View record
BARNHART (EF) #65H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey MC CONNELL, G - Abstract 354

ProducingPending Lease Production Reported
View record
BARNHART (EF) #66H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey MC CONNELL, G - Abstract 354

ProducingPending Lease Production Reported
View record
CHAPMAN-HUMMEL UNIT #2H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey ANTHONY, F - Abstract 18

ProducingPending Lease Production Reported
View record
CHAPMAN-HUMMEL UNIT #3H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey ANTHONY, F - Abstract 18

ProducingPending Lease Production Reported
View record
CHAPMAN-HUMMEL UNIT #4H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey ANTHONY, F - Abstract 18

ProducingPending Lease Production Reported
View record
HONS RAFTER UNIT #501H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey RUIZ, F - Abstract 9

ProducingPending Lease Production Reported
View record
MAY GIRLS #4H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Survey ACH&B/TOM, W E - Abstract 1187 - Section 4

ProducingPending Lease Production Reported
View record
MCCOY-EGBERT UNIT #502H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey RUIZ, F - Abstract 9

ProducingPending Lease Production Reported
View record
MCCOY-EGBERT UNIT #5H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey RUIZ, F - Abstract 9

ProducingPending Lease Production Reported
View record
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