42-177-34849

Horizontal

BARNHART (EF)-HFS SA9

GONZALES County · District 1 · MARATHON OIL EF LLC

Permits

1

Max Depth

17,500 ft

First Permit

2026-07-21

Latest Activity

2026-07-21

Lifespan

< 1 yr

Regulatory Status

Schedule

Completion

Shut-In

Plugged

Formation Tops

No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. The nearest completed wells below show what to expect at this location.

Check this well's filings at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported — this well has no filings of its own yet.

Cross-section
42-177-34755 BARNHART (EF)-HFS SA8 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,375'Carrizo 2,516'Wilcox 2,824'Austin Chalk 8,840'Eagle Ford 9,269'Edwards Buda Navarro
42-177-34754 BARNHART (EF)-HFS SA7 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,372'Carrizo 2,513'Wilcox 2,820'Austin Chalk 8,841'Austin Chalk 8,841'Eagle Ford 9,279'Eagle Ford 9,279'Edwards Navarro Buda
42-177-34753 BARNHART (EF)-HFS SA6 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,368'Carrizo 2,509'Wilcox 2,814'Austin Chalk 8,702'Eagle Ford 9,134'Buda Navarro Edwards
42-177-34752 BARNHART (EF)-HFS SA5 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,367'Carrizo 2,507'Wilcox 2,811'Austin Chalk 8,667'Eagle Ford 9,100'Buda Navarro Edwards
42-177-34751 BARNHART (EF)-HFS SA4 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,366'Carrizo 2,505'Wilcox 2,810'Austin Chalk 8,682'Eagle Ford 9,110'Buda Navarro Edwards
42-177-34750 BARNHART (EF)-HFS SA3 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,808'Eagle Ford 9,253'Buda Navarro Edwards
42-177-34749 BARNHART (EF)-HFS SA2 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,799'Eagle Ford 9,248'Edwards Navarro Buda
42-177-34748 BARNHART (EF)-HFS SA1 · MARATHON OIL EF LLC
0.6 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,804'Eagle Ford 9,246'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).

Permit History (1)

Applications (1)

#917222 A MARATHON OIL EF LLC
received 2026-07-15

Records & Logs

No W-2/G-1 filings on record in the RRC wellbore file for this well.

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 29.316611
Lon -97.491339

Well Details

Well Number
139H
Max Depth
17,500 ft
Drill Type
Horizontal
County
GONZALES
District
1

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
3,166