42-177-34614

PRODUCING Horizontal

BARNHART (EF)-J.M. PRESTON SA2

GONZALES County · District 2 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-2)

Permits

2

Max Depth

24,000 ft

First Permit

2023-12-11

Latest Activity

2023-12-11

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-10-31

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-10

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 (10) Elevation 224 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPARTA 1,168 ft-944 ft
QUEEN CITY 1,817 ft-1,593 ft
REKLAW 2,104 ft-1,880 ft
CARRIZO 2,648 ft-2,424 ft
WILCOX - DISPOSAL (Wilcox)2,901 ft-2,677 ft
ANACACHO 8,658 ft-8,434 ft
AUSTIN CHALK - H2S (Austin Chalk)8,776 ft-8,552 ft
EAGLE FORD - H2S (Eagle Ford)9,249 ft-9,025 ft
BUDA - H2S, DISPOSAL (Buda)
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
42-177-34236 J.M. PRESTON UNIT · EOG RESOURCES, INC.
0.7 mi
Reklaw 2,385'Wilcox 3,077'Carrizo 3,178'Navarro 7,929'Anacacho 9,625'Austin Chalk 9,989'Austin Chalk 9,989'Eagle Ford 10,393'Eagle Ford 10,393'Buda Edwards
42-177-34235 J.M. PRESTON UNIT · EOG RESOURCES, INC.
0.7 mi
Reklaw 2,408'Wilcox 3,100'Carrizo 3,201'Navarro 7,927'Anacacho 9,588'Austin Chalk 9,981'Eagle Ford 10,384'Buda Edwards
42-177-34234 J.M. PRESTON UNIT · EOG RESOURCES, INC.
0.7 mi
Reklaw 2,424'Wilcox 3,116'Carrizo 3,217'Navarro 7,944'Anacacho 9,621'Anacacho 9,655'Austin Chalk 9,974'Eagle Ford 10,386'Edwards Buda
42-177-33995 J.M. PRESTON UNIT · EOG RESOURCES, INC.
0.9 mi
Reklaw 2,439'Wilcox 3,131'Carrizo 3,232'Navarro 7,987'Anacacho 9,613'Austin Chalk 10,014'Eagle Ford 10,452'Edwards Buda
42-177-33999 PINNACLES B · EOG RESOURCES, INC.
0.9 mi
Reklaw 2,455'Wilcox 3,147'Carrizo 3,248'Navarro 8,003'Anacacho 9,632'Austin Chalk 10,017'Eagle Ford 10,462'Buda Edwards
42-177-33998 PINNACLES A · EOG RESOURCES, INC.
0.9 mi
Reklaw 2,474'Wilcox 3,166'Carrizo 3,267'Navarro 8,022'Anacacho 9,627'Austin Chalk 10,021'Eagle Ford 10,447'Edwards Buda
42-177-34608 BARNHART (EF) · MARATHON OIL EF LLC
1.5 mi
Sparta 1,245'Queen City 2,441'Reklaw 2,719'Carrizo 3,298'Wilcox 3,499'Anacacho 9,770'Austin Chalk 9,929'Eagle Ford 10,496'Navarro Edwards Buda
42-177-34607 BARNHART (EF) · MARATHON OIL EF LLC
1.5 mi
Sparta 1,245'Reklaw 2,719'Carrizo 3,298'Wilcox 3,499'Anacacho 9,757'ANACACO 9,757'Austin Chalk 9,945'Eagle Ford 10,486'Edwards Buda Navarro

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
9,638–19,954 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,623 ft1,319 sx
6"19,954 ft3,161 sx

Permit History (2)

Applications (2)

#890224 A MARATHON OIL EF LLC
received 2024-01-12
#890224 A MARATHON OIL EF LLC
received 2023-05-01

Records & Logs

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

W-2/G-1 2023-12-20 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 29.284416
Lon -97.483729

Well Details

Well Number
117H
Max Depth
24,000 ft
Drill Type
Horizontal
County
GONZALES
District
2
Completed
2023-10-31

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