42-177-34702

PRODUCING Horizontal

BARNHART (EF)

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

Permits

1

Max Depth

22,000 ft

First Permit

2024-04-19

Latest Activity

2024-04-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-01-27

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2010-11

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 (9) Elevation 228 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 1,722 ft-1,494 ft
REKLAW 2,102 ft-1,874 ft
CARRIZO 2,643 ft-2,415 ft
WILCOX - DISPOSAL (Wilcox)2,896 ft-2,668 ft
AUSTIN CHALK - H2S (Austin Chalk)8,737 ft-8,509 ft
EAGLE FORD - H2S (Eagle Ford)9,197 ft-8,969 ft
BUDA - H2S, DISPOSAL (Buda)
EDWARDS - H2S (Edwards)
NAVARRO

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
42-177-34701 BARNHART (EF) · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,102'Carrizo 2,643'Wilcox 2,896'Austin Chalk 8,779'Eagle Ford 9,216'Navarro Buda Edwards
42-177-34703 BARNHART (EF)-J.M. PRESTON SA1 · MARATHON OIL EF LLC
0.0 mi
Eagle Ford 943'Sparta 1,167'Queen City 1,167'Carrizo 1,722'Reklaw 2,102'Wilcox 2,896'Austin Chalk 8,782'Navarro Buda Edwards
42-177-34611 BARNHART (EF)-J.M. PRESTON SA3 · MARATHON OIL EF LLC
0.0 mi
Sparta 1,168'Queen City 1,817'Reklaw 2,104'Carrizo 2,648'Wilcox 2,901'Anacacho 8,670'Austin Chalk 8,773'Eagle Ford 9,262'Navarro Buda
42-177-34612 BARNHART (EF)-J.M. PRESTON SA4 · MARATHON OIL EF LLC
0.0 mi
Sparta 1,168'Queen City 1,817'Reklaw 2,104'Carrizo 2,648'Wilcox 2,901'Austin Chalk 8,829'Eagle Ford 9,274'Buda Navarro Edwards
42-177-34613 BARNHART (EF)-J.M. PRESTON SA5 · MARATHON OIL EF LLC
0.0 mi
Sparta 1,168'Queen City 1,817'Reklaw 2,104'Carrizo 2,648'Wilcox 2,901'Anacacho 8,697'Austin Chalk 8,831'Eagle Ford 9,283'Buda Navarro
42-177-34287 BARNHART (EF) · MARATHON OIL EF LLC
0.5 mi
Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,793'Eagle Ford 9,281'Buda Navarro Reklaw Edwards
42-177-34286 BARNHART (EF) · MARATHON OIL EF LLC
0.5 mi
Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,823'Eagle Ford 9,303'Navarro Edwards Buda Reklaw
42-177-34285 BARNHART (EF) · MARATHON OIL EF LLC
0.5 mi
Reklaw 113'Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,849'Eagle Ford 9,316'Edwards Buda Navarro Reklaw

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
9,729–21,037 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,847 ft1,531 sx
5.5"21,037 ft3,742 sx

Permit History (1)

Applications (1)

#898915 A MARATHON OIL EF LLC
received 2024-04-16

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2025-02-05 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 29.301861
Lon -97.506508

Well Details

Well Number
113H
Max Depth
22,000 ft
Drill Type
Horizontal
County
GONZALES
District
1
Completed
2025-01-27

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