42-177-34014

PRODUCING Horizontal

BARNHART (EF)

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

Permits

4

Max Depth

22,000 ft

First Permit

2018-08-27

Latest Activity

2018-09-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-11-26

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 (11) Elevation 245 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REKLAW 2,384 ft-2,139 ft
CARRIZO 2,958 ft-2,713 ft
WILCOX - DISPOSAL (Wilcox)3,960 ft-3,715 ft
ANACACHO 8,894 ft-8,649 ft
AUSTIN CHALK 8,978 ft-8,733 ft
AUSTIN CHALK - H2S (Austin Chalk)8,978 ft-8,733 ft
EAGLE FORD 9,444 ft-9,199 ft
EAGLE FORD - H2S (Eagle Ford)9,444 ft-9,199 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
42-177-34013 BARNHART (EF) · SN OPERATING, LLC
0.0 mi
Reklaw 2,384'Carrizo 2,958'Wilcox 3,960'Austin Chalk 9,047'Eagle Ford 9,502'Buda Edwards Navarro
42-177-34010 BARNHART (EF) · SN OPERATING, LLC
0.0 mi
Reklaw 2,384'Carrizo 2,958'Wilcox 3,960'Anacacho 8,963'Austin Chalk 9,111'Austin Chalk 9,111'Eagle Ford 9,550'Eagle Ford 9,550'Edwards Navarro Buda
42-177-34012 BARNHART (EF) · SN OPERATING, LLC
0.0 mi
Reklaw 2,384'Carrizo 2,958'Wilcox 3,960'Anacacho 8,932'Austin Chalk 9,089'Austin Chalk 9,089'Eagle Ford 9,528'Eagle Ford 9,528'Navarro Edwards Buda
42-177-34093 BARNHART (EF) · MARATHON OIL EF LLC
0.0 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,983'Eagle Ford 9,451'Buda Edwards Navarro
42-177-34094 BARNHART (EF) · MARATHON OIL EF LLC
0.0 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,938'Eagle Ford 9,436'Buda Edwards Navarro
42-177-34095 BARNHART (EF) · MARATHON OIL EF LLC
0.2 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,923'Eagle Ford 9,403'Edwards Navarro Buda
42-177-34096 BARNHART (EF) · MARATHON OIL EF LLC
0.2 mi
Reklaw 113'Carrizo 2,893'Wilcox 3,895'Austin Chalk 8,886'Eagle Ford 9,366'Edwards Navarro Buda
42-177-34284 BARNHART (EF) · MARATHON OIL EF LLC
0.5 mi
Carrizo 2,781'Wilcox 3,783'Austin Chalk 8,858'Eagle Ford 9,343'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
9,578–19,182 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,020 ft1,197 sx
5.5"19,279 ft3,518 sx

Permit History (4)

Applications (4)

#843085 A MARATHON OIL EF LLC
received 2019-07-31
#843085 A MARATHON OIL EF LLC
received 2019-04-05
#843085 A MARATHON OIL EF LLC
received 2019-01-17
#843085 A SN OPERATING, LLC
received 2018-08-01

Records & Logs

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

W-2/G-1 2020-07-17 log on file
W-2/G-1 2020-05-15
W-2/G-1 2020-04-04
W-2/G-1 2019-10-11 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 29.291239
Lon -97.515092

Well Details

Well Number
103H
Max Depth
22,000 ft
Drill Type
Horizontal
County
GONZALES
District
1
Completed
2019-11-26

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