42-013-36130

PRODUCING Horizontal

ETHRIDGE UNIT A

ATASCOSA County · District 2 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-2)

Permits

1

Max Depth

22,000 ft

First Permit

2024-01-24

Latest Activity

2024-01-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-05-31

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-03

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (14) Elevation 359 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,794 ft-2,435 ft
REKLAW 3,324 ft-2,965 ft
CARRIZO 4,152 ft-3,793 ft
WILCOX - DISPOSAL (Wilcox)4,224 ft-3,865 ft
ANACACHO - H2S (Anacacho)10,715 ft-10,356 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,898 ft-10,539 ft
EAGLE FORD - H2S (Eagle Ford)11,051 ft-10,692 ft
BARTOSH
BUDA - H2S (Buda)
EDWARDS - H2S, DISPOSAL (Edwards)
ESCONDIDO - H2S, DISPOSAL (Escondido)
GEORGETOWN - H2S (Georgetown)
NAVARRO - H2S (Navarro)
OLMOS - DISPOSAL (Olmos)

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-013-36131 ETHRIDGE UNIT A · MARATHON OIL EF LLC
0.0 mi
Cook Mountain 1,939'Queen City 2,794'Reklaw 3,324'Carrizo 4,152'Wilcox 4,224'Anacacho 10,734'Austin Chalk 11,101'Bartosh Escondido Navarro Olmos
42-013-36133 RETZLOFF-MAY-TOM SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,794'Reklaw 3,324'Carrizo 4,152'Wilcox 4,224'Austin Chalk 10,917'Anacacho Bartosh Escondido Olmos Navarro
42-013-36132 ESSE-RETZLOFF-MAY-TOM SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,794'Reklaw 3,324'Carrizo 4,152'Wilcox 4,224'Anacacho 10,743'Austin Chalk 10,922'Escondido Bartosh Olmos Navarro
42-013-35669 RETZLOFF TOM-MAY PSA C · MARATHON OIL EF LLC
0.0 mi
Queen City 3,095'Reklaw 3,457'Bartosh 3,661'Carrizo 4,104'Wilcox 5,439'Navarro 8,777'Olmos 9,287'Anacacho 10,712'Austin Chalk 10,907'Escondido
42-013-35668 RETZLOFF TOM-MAY PSA B · MARATHON OIL EF LLC
0.0 mi
Queen City 3,095'Reklaw 3,457'Bartosh 3,661'Carrizo 4,104'Wilcox 5,439'Navarro 8,777'Olmos 9,287'Escondido 9,287'Anacacho 10,702'Austin Chalk 10,904'Escondido Olmos
42-013-35667 RETZLOFF TOM-MAY PSA A · MARATHON OIL EF LLC
0.0 mi
Queen City 3,095'Reklaw 3,457'Bartosh 3,661'Carrizo 4,104'Wilcox 5,439'Navarro 8,777'Olmos 9,287'Anacacho 10,713'Austin Chalk 10,902'Escondido
42-297-36492 JO ANN ESSE UNIT E · BURLINGTON RESOURCES O & G CO LP
0.6 mi
Frio 102'HOCKLEY - DISPOSAL 499'Jackson 865'Cook Mountain 2,035'Queen City 2,927'Wilcox 4,439'Austin Chalk 10,958'Eagle Ford 11,053'Sligo Edwards
42-297-36491 JO ANN ESSE UNIT H · BURLINGTON RESOURCES O & G CO LP
0.6 mi
Frio 103'HOCKLEY - DISPOSAL 499'Jackson 866'Cook Mountain 2,035'Queen City 2,927'Wilcox 4,440'Austin Chalk 10,961'Eagle Ford 11,056'Sligo Edwards

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
11,444–17,633 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"5,229 ft1,286 sx
9.625"5,229 ft1,286 sx
5.5"17,634 ft3,103 sx

Permit History (1)

Applications (1)

#896646 A MARATHON OIL EF LLC
received 2024-01-18

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-08-07
W-2/G-1 2024-03-25 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 28.734265
Lon -98.170761

Well Details

Well Number
3H
Max Depth
22,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
2
Completed
2024-05-31

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-09-26)
Cum Oil (all leases)
409,189,156 bbl
Cum Gas (all leases)
1,029,735,602 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,173