← Wells

42-123-35379

PRODUCING Horizontal

RESSMAN-JAMES GANO SA1

DE WITT County · District 2 · MARATHON OIL EF LLC · DE WITT (EAGLE FORD SHALE)

Permits

1

Max Depth

22,000 ft

First Permit

2024-02-26

Latest Activity

2024-02-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-06-08

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2024-06

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas
production & DCA →

Formation Tops (8) Elevation 399 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WILCOX 6,236 ft-5,837 ft
AUSTIN CHALK 13,049 ft-12,650 ft
EAGLE FORD 13,376 ft-12,977 ft
CATAHOULA ——
EDWARDS - H2S (Edwards)——
FRIO ——
VICKSBURG ——
YEGUA ——

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
✓ 42-123-35377 HOPE-BRUNS SA1 · MARATHON OIL EF LLC
0.0 mi
Wilcox 5,847'Austin Chalk 13,051'Eagle Ford 13,388'Yegua —Vicksburg —Frio —Catahoula —Edwards —
✓ 42-123-35380 RESSMAN 01 AC · MARATHON OIL EF LLC
0.0 mi
Wilcox 6,236'Austin Chalk 13,049'Eagle Ford 13,060'Frio —Catahoula —Yegua —Vicksburg —Edwards —
✓ 42-123-34676 ROOSTER SWD · GOODNIGHT MIDSTREAM PERMIAN, LLC
0.6 mi
Yegua 2,952'LOWER CLAIBORNE 3,904'Wilcox 6,210'Wilcox 8,314'Eagle Ford —Vicksburg —Austin Chalk —Edwards —Frio —Catahoula —
✓ 42-123-35597 EDWARD ROEDER-JAMES GANO SA1 · MARATHON OIL EF LLC
0.8 mi
Catahoula 447'Frio 1,229'Yegua 3,006'Wilcox 6,231'Austin Chalk 13,046'Eagle Ford 13,368'Vicksburg —Edwards —
✓ 42-123-35609 EDWARD ROEDER-MIGURA A SA1 · MARATHON OIL EF LLC
0.9 mi
Catahoula 448'Frio 1,230'Yegua 3,008'Wilcox 6,244'Austin Chalk 13,065'Eagle Ford 13,369'Edwards —Vicksburg —
✓ 42-123-35111 JAMES GANO 01 - PF01 - J01 C · ENSIGN OPERATING LLC
1.2 mi
Wilcox 6,258'Austin Chalk 13,110'Eagle Ford 13,374'Yegua —Frio —Catahoula —Vicksburg —Edwards —
✓ 42-123-35110 JAMES GANO 01 - PF01 - J01 B · ENSIGN OPERATING LLC
1.2 mi
Wilcox 6,252'Austin Chalk 13,116'Eagle Ford 13,387'Frio —Yegua —Catahoula —Vicksburg —Edwards —
✓ 42-123-35109 JAMES GANO 01 - PF01 - J01 A · ENSIGN OPERATING LLC
1.2 mi
Wilcox 6,299'Austin Chalk 13,110'Eagle Ford 13,379'Frio —Edwards —Vicksburg —Yegua —Catahoula —

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
13,893–20,474 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,683 ft1,162 sx
5.5"20,474 ft4,430 sx

Permit History (1)

#897085 Drill Final Completion

RESSMAN-JAMES GANO SA1 · 22,000 ft

2024-02-26

Spud 2024-03-08

Applications (1)

#897085 A MARATHON OIL EF LLC
received 2024-02-05

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2025-06-09
W-2/G-1 2024-09-12 log on file
Completion packets + logs ↗ Wellbore filings ↗

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.

Google Maps → Explorer Map →
Lat 29.004761
Lon -97.593753

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
DE WITT
District
2
Operator
MARATHON OIL EF LLC
Completed
2024-06-08

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