42-311-36735

PRODUCING Horizontal

MIDDLE MCCOWEN

MCMULLEN County · District 1 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

1

Max Depth

22,500 ft

First Permit

2017-06-30

Latest Activity

2017-06-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-09-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-08

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 (13) Elevation 336 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA - DISPOSAL (Catahoula)2,353 ft-2,017 ft
FRIO - DISPOSAL (Frio)2,569 ft-2,233 ft
YEGUA - DISPOSAL (Yegua)2,663 ft-2,327 ft
WILCOX - DISPOSAL (Wilcox)5,001 ft-4,665 ft
NAVARRO 7,970 ft-7,634 ft
OLMOS 8,673 ft-8,337 ft
ANACACHO 10,265 ft-9,929 ft
AUSTIN CHALK 10,525 ft-10,189 ft
EAGLE FORD - H2S (Eagle Ford)10,644 ft-10,308 ft
EDWARDS - H2S (Edwards)
ESCONDIDO
PEARSALL
SLIGO - H2S (Sligo)

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
42-311-36736 MIDDLE MCCOWEN · MARATHON OIL EF LLC
0.1 mi
Catahoula 2,353'Frio 2,569'Yegua 2,663'Wilcox 5,001'Navarro 7,970'Olmos 8,673'Anacacho 10,250'Austin Chalk 10,506'Eagle Ford 10,638'Escondido
42-311-36734 MIDDLE MCCOWEN · MARATHON OIL EF LLC
0.1 mi
Catahoula 2,353'Frio 2,569'Yegua 2,663'Wilcox 5,001'Navarro 7,970'Olmos 8,673'Anacacho 10,270'Austin Chalk 10,530'Eagle Ford 10,646'Escondido
42-311-36932 MIDDLE MCCOWEN · MARATHON OIL EF LLC
0.2 mi
Wilcox 5,096'Navarro 8,054'Olmos 8,756'Anacacho 10,244'Austin Chalk 10,533'Eagle Ford 10,654'Catahoula Escondido Frio Yegua
42-311-36933 MIDDLE MCCOWEN · MARATHON OIL EF LLC
0.2 mi
Wilcox 5,096'Navarro 8,054'Olmos 8,756'Anacacho 10,272'Austin Chalk 10,542'Eagle Ford 10,662'Yegua Escondido Frio Catahoula
42-311-36934 MIDDLE MCCOWEN · MARATHON OIL EF LLC
0.2 mi
Yegua 2,688'Wilcox 5,096'Navarro 8,054'Olmos 8,756'Anacacho 10,304'Austin Chalk 10,559'Eagle Ford 10,678'Catahoula Frio Yegua Escondido
42-311-36935 MIDDLE MCCOWEN · MARATHON OIL EF LLC
0.2 mi
Yegua 2,688'Wilcox 5,096'Navarro 8,054'Olmos 8,756'Anacacho 10,319'Austin Chalk 10,569'Eagle Ford 10,690'Yegua Catahoula Escondido Frio
42-013-36093 MIDDLE MCCOWEN · MARATHON OIL EF LLC
1.1 mi
Queen City 2,202'Reklaw 2,847'Carrizo 3,616'Wilcox 3,718'Anacacho 10,053'Austin Chalk 10,315'Navarro Escondido Olmos Wilcox Bartosh
42-013-36094 MIDDLE MCCOWEN · MARATHON OIL EF LLC
1.1 mi
Cook Mountain 1,278'Queen City 2,202'Reklaw 2,847'Carrizo 3,616'Wilcox 3,718'Anacacho 10,069'Austin Chalk 10,314'Eagle Ford 10,459'Reklaw 28,947'Navarro Escondido Olmos +1 more

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
10,757–20,774 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,139 ft1,577 sx
5.5"20,882 ft3,875 sx

Permit History (1)

Applications (1)

#828018 A MARATHON OIL EF LLC
received 2017-06-20

Records & Logs

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

W-2/G-1 2023-11-28
W-2/G-1 2018-01-05 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 28.647155
Lon -98.374540

Well Details

Well Number
93H
Max Depth
22,500 ft
Drill Type
Horizontal
County
MCMULLEN
District
1
Completed
2023-09-25

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