42-177-34287

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

2020-01-30

Latest Activity

2020-01-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-07-10

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 (8) Elevation 256 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CARRIZO 2,781 ft-2,525 ft
WILCOX - DISPOSAL (Wilcox)3,783 ft-3,527 ft
AUSTIN CHALK - H2S (Austin Chalk)8,793 ft-8,537 ft
EAGLE FORD - H2S (Eagle Ford)9,281 ft-9,025 ft
BUDA - H2S, DISPOSAL (Buda)
EDWARDS - H2S (Edwards)
NAVARRO
REKLAW

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
42-177-34286 BARNHART (EF) · MARATHON OIL EF LLC
0.0 mi
Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,823'Eagle Ford 9,303'Reklaw Navarro Edwards Buda
42-177-34285 BARNHART (EF) · MARATHON OIL EF LLC
0.0 mi
Reklaw 113'Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,849'Eagle Ford 9,316'Buda Navarro Reklaw Edwards
42-177-34284 BARNHART (EF) · MARATHON OIL EF LLC
0.0 mi
Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,858'Eagle Ford 9,343'Edwards Buda Reklaw Navarro
42-177-34095 BARNHART (EF) · MARATHON OIL EF LLC
0.3 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,923'Eagle Ford 9,403'Buda Edwards Navarro
42-177-34096 BARNHART (EF) · MARATHON OIL EF LLC
0.3 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,886'Eagle Ford 9,366'Navarro Edwards Buda
42-177-34094 BARNHART (EF) · MARATHON OIL EF LLC
0.5 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,938'Eagle Ford 9,436'Edwards Buda Navarro
42-177-34093 BARNHART (EF) · MARATHON OIL EF LLC
0.5 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,983'Eagle Ford 9,451'Navarro Edwards Buda
42-177-34014 BARNHART (EF) · SN OPERATING, LLC
0.5 mi
Reklaw 2,384'Carrizo 2,958'Wilcox 3,960'Anacacho 8,894'Austin Chalk 8,978'Austin Chalk 8,978'Eagle Ford 9,444'Eagle Ford 9,444'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
9,502–20,137 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"3,829 ft1,176 sx
5.5"20,245 ft3,663 sx

Permit History (1)

Applications (1)

#861435 A MARATHON OIL EF LLC
received 2020-01-28

Records & Logs

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

W-2/G-1 2021-07-22 log on file
W-2/G-1 2020-12-18 log on file
W-2/G-1 2020-06-02 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 29.297975
Lon -97.513244

Well Details

Well Number
111H
Max Depth
22,000 ft
Drill Type
Horizontal
County
GONZALES
District
1
Completed
2021-07-10

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