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 .
Non-zero oil/gas wells 69
Production reports 832
Water-only reports 8
Last 12m oil 2,415,572 bbl
Last 12m gas 6,608,312 mcf
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 completed Document Filed Jun 26, 2026
View record KIRK-BUTLER B SA1 #1H Karnes County - MARATHON OIL EF LLC
Survey CI CO - Abstract 307
Permitted Directional Survey Available Jun 16, 2026
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 completed Document Filed Jun 15, 2026
View record ANNE FRIAR THOMAS #7H MARATHON OIL EF LLC
Survey MC COY, J JR - Abstract 30
Producing Pending Lease Production Reported Jun 1, 2026
View record ANNE FRIAR THOMAS AC #9H MARATHON OIL EF LLC
Survey MC COY, J JR - Abstract 30
Producing Pending Lease Production Reported Jun 1, 2026
View record BEST BATEMAN-BEST HUTH SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record BEST FENNER-MORGAN SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SA1 #1H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SELMAN SA4 #4H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SELMAN SA5 #5H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record STEWART GIESE HENKE SA4 #4H MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)
Survey POITEVENT, J - Abstract 709 - Section 3
Recently completed
View record ANNE FRIAR THOMAS #7H MARATHON OIL EF LLC
Survey MC COY, J JR - Abstract 30
Producing Pending Lease Production Reported Jun 1, 2026
View record ANNE FRIAR THOMAS AC #9H MARATHON OIL EF LLC
Survey MC COY, J JR - Abstract 30
Producing Pending Lease Production Reported Jun 1, 2026
View record BEST BATEMAN-BEST HUTH SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record BEST FENNER-MORGAN SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SA1 #1H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SELMAN SA4 #4H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SELMAN SA5 #5H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record FELIX UNIT #3H MARATHON OIL EF LLC
Survey EBERLY, J - Abstract 105
Producing Pending Lease Production Reported Jun 1, 2026
View record Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4217734758
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4212335470
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538265
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538270
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538164
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4212335471
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538149
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538262
Jun 26, 2026 Document Filed EDWARD ROEDER-MIGURA A SA1 #1H - DEWITT - DE WITT (EAGLE FORD SHALE)
Document Filed Dewitt County MARATHON OIL EF LLC API 4212335609
Jun 15, 2026 Document Filed EDWARD ROEDER-JAMES GANO SA1 #1H - DEWITT - DE WITT (EAGLE FORD SHALE)
Document Filed Dewitt County MARATHON OIL EF LLC API 4212335597
Date unknown Completion-related well activity STEWART GIESE HENKE SA4 #4H - EAGLEVILLE (EAGLE FORD-1)
Completion Report Filed MARATHON OIL EF LLC API 4201336087
No matching activity is linked yet.
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4217734758
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4212335470
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538265
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538270
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538164
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4212335471
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538149
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538262
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538271
Jun 1, 2026 Pending lease production reported Lease-level production was reported through a pending lease PR row linked by API or drilling permit.
Pending Lease Production Reported MARATHON OIL EF LLC API 4225538148
12 links Related counties, fields, wells, and activity STEWART GIESE HENKE SA4 #4H MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)
Survey POITEVENT, J - Abstract 709 - Section 3
Recently completed
View record ANNE FRIAR THOMAS #7H MARATHON OIL EF LLC
Survey MC COY, J JR - Abstract 30
Producing Pending Lease Production Reported Jun 1, 2026
View record ANNE FRIAR THOMAS AC #9H MARATHON OIL EF LLC
Survey MC COY, J JR - Abstract 30
Producing Pending Lease Production Reported Jun 1, 2026
View record BEST BATEMAN-BEST HUTH SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record BEST FENNER-MORGAN SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SA1 #1H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SELMAN SA4 #4H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record CHERRY BERGEY SELMAN SA5 #5H MARATHON OIL EF LLC
Survey MC COY, J - Abstract 45
Producing Pending Lease Production Reported Jun 1, 2026
View record FELIX UNIT #3H MARATHON OIL EF LLC
Survey EBERLY, J - Abstract 105
Producing Pending Lease Production Reported Jun 1, 2026
View record FELIX UNIT #4H MARATHON OIL EF LLC
Survey EBERLY, J - Abstract 105
Producing Pending Lease Production Reported Jun 1, 2026
View record FELIX UNIT #5H MARATHON OIL EF LLC
Survey EBERLY, J - Abstract 105
Producing Pending Lease Production Reported Jun 1, 2026
View record FELIX UNIT #9H MARATHON OIL EF LLC
Survey EBERLY, J - Abstract 105
Producing Pending Lease Production Reported Jun 1, 2026
View record FELIX-SMITH MELLICK SA #1H MARATHON OIL EF LLC
Survey EBERLY, J - Abstract 105
Producing Pending Lease Production Reported Jun 1, 2026
View record FRANSEN UNIT #7H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record FRANSEN-DIRECT ASSETS SA1 #1H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record FRANSEN-DIRECT ASSETS SA2 #2H MARATHON OIL EF LLC
Survey BRADBERRY, J - Abstract 24
Producing Pending Lease Production Reported Jun 1, 2026
View record JOHNSON-TSCHIRHART UNIT #10H MARATHON OIL EF LLC
Survey ODOM, B - Abstract 220
Producing Pending Lease Production Reported Jun 1, 2026
View record JOHNSON-TSCHIRHART UNIT #7H MARATHON OIL EF LLC
Survey ODOM, B - Abstract 220
Producing Pending Lease Production Reported Jun 1, 2026
View record JOHNSON-TSCHIRHART UNIT #8H MARATHON OIL EF LLC
Survey ODOM, B - Abstract 220
Producing Pending Lease Production Reported Jun 1, 2026
View record JOHNSON-TSCHIRHART UNIT #9H MARATHON OIL EF LLC
Survey ODOM, B - Abstract 220
Producing Pending Lease Production Reported Jun 1, 2026
View record JOHNSON-TSCHIRHART UNIT AC #10H MARATHON OIL EF LLC
Survey ODOM, B - Abstract 220
Producing Pending Lease Production Reported Jun 1, 2026
View record MILLER RIDOUT MIKKELSON SA1 #1H MARATHON OIL EF LLC
Survey RUIZ, F - Abstract 9
Producing Pending Lease Production Reported Jun 1, 2026
View record MILLER RIDOUT MIKKELSON SA3 #3H MARATHON OIL EF LLC
Survey RUIZ, F - Abstract 9 - Section 29
Producing Pending Lease Production Reported Jun 1, 2026
View record MILLER-RIDOUT UNIT #502H MARATHON OIL EF LLC
Survey RUIZ, F - Abstract 9
Producing Pending Lease Production Reported Jun 1, 2026
View record