42-177-34372

PRODUCING Horizontal

BARNHART (EF) C-E SA 3

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

Permits

1

Max Depth

22,000 ft

First Permit

2021-02-10

Latest Activity

2021-02-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-11-20

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-04

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 (8) Elevation 238 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REKLAW 2,832 ft-2,594 ft
CARRIZO 3,429 ft-3,191 ft
WILCOX - DISPOSAL (Wilcox)4,516 ft-4,278 ft
AUSTIN CHALK - H2S (Austin Chalk)10,461 ft-10,223 ft
EAGLE FORD - H2S (Eagle Ford)11,020 ft-10,782 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
42-177-34371 BARNHART (EF) C-E SA 2 · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,832'Carrizo 3,429'Wilcox 4,516'Austin Chalk 10,418'Eagle Ford 10,994'Edwards Navarro Buda
42-177-34370 BARNHART (EF) C-E SA 1 · MARATHON OIL EF LLC
0.0 mi
Austin Chalk 1,365'Reklaw 2,832'Carrizo 3,429'Wilcox 4,516'Austin Chalk 10,365'Eagle Ford 10,979'Buda Edwards Navarro
42-177-34469 BARNHART (EF) 2H UNIT SA · MARATHON OIL EF LLC
0.9 mi
Reklaw 3,319'Carrizo 3,744'Wilcox 3,953'Wilcox 3,959'Austin Chalk 11,037'Eagle Ford 11,676'Edwards Navarro Buda
42-177-34470 BARNHART (EF) 2H UNIT · MARATHON OIL EF LLC
0.9 mi
Reklaw 3,319'Carrizo 3,744'Wilcox 3,953'Austin Chalk 11,008'Eagle Ford 11,663'Edwards Navarro Buda
42-177-34468 BARNHART (EF) · MARATHON OIL EF LLC
0.9 mi
Reklaw 3,319'Carrizo 3,744'Wilcox 3,953'Austin Chalk 10,999'Eagle Ford 11,626'Buda Edwards Navarro
42-177-34471 BARNHART (EF) 2H UNIT · MARATHON OIL EF LLC
0.9 mi
Reklaw 3,319'Carrizo 3,744'Wilcox 3,853'Austin Chalk 10,999'Eagle Ford 11,662'Edwards Navarro Buda
42-177-34467 BARNHART (EF) · MARATHON OIL EF LLC
0.9 mi
Reklaw 3,319'Carrizo 3,744'Wilcox 3,953'Austin Chalk 10,990'Eagle Ford 11,598'Edwards Navarro Buda
42-177-34472 BARNHART (EF) 2H UNIT-J UNIT SA · MARATHON OIL EF LLC
0.9 mi
Reklaw 3,319'Carrizo 3,744'Wilcox 3,953'Austin Chalk 11,001'Eagle Ford 11,667'Edwards Navarro Buda

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
11,484–22,078 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,925 ft1,441 sx
5.5"22,078 ft4,270 sx

Permit History (1)

Applications (1)

#867543 A MARATHON OIL EF LLC
received 2021-02-03

Records & Logs

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

W-2/G-1 2021-12-30 log on file
W-2/G-1 2021-07-09
W-2/G-1 2021-04-29 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 29.247897
Lon -97.493765

Well Details

Well Number
3H
Max Depth
22,000 ft
Drill Type
Horizontal
County
GONZALES
District
1
Completed
2021-11-20

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