42-123-35230

PRODUCING Horizontal

SAGER 01-DUDERSTADT 01 SA2

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

Permits

2

Max Depth

25,000 ft

First Permit

2022-10-03

Latest Activity

2022-10-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-07-15

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MARATHON OIL EF LLC ≠ Permit: ENSIGN OPERATING LLC

Resolved via: productionMARATHON OIL EF LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-07

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 334 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REKLAW 5,780 ft-5,446 ft
CARRIZO 6,065 ft-5,731 ft
WILCOX 6,065 ft-5,731 ft
ANACACHO 12,989 ft-12,655 ft
AUSTIN CHALK 13,189 ft-12,855 ft
EAGLE FORD 13,612 ft-13,278 ft
CATAHOULA
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
42-123-35231 SAGER 01 - D01 D · MARATHON OIL EF LLC
0.0 mi
Queen City 5,545'Reklaw 5,780'Carrizo 6,065'Wilcox 6,065'Anacacho 12,963'Austin Chalk 13,172'Eagle Ford 13,593'Vicksburg Edwards Frio Catahoula Yegua
42-123-35229 SAGER 01-DUDERSTADT 01 SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 5,545'Carrizo 6,065'Wilcox 6,065'Anacacho 13,023'Austin Chalk 13,224'Eagle Ford 13,664'Yegua Vicksburg Catahoula Frio
42-123-35381 NATHO A-NATHO B SA 1 · BPX OPERATING COMPANY
0.7 mi
Wilcox 6,172'Austin Chalk 13,260'Eagle Ford 13,677'Yegua Vicksburg Catahoula Edwards Frio
42-123-35382 NATHO A-NATHO B SA 2 · BPX OPERATING COMPANY
0.7 mi
Wilcox 6,202'Austin Chalk 13,329'Eagle Ford 13,758'Catahoula Edwards Frio Vicksburg Yegua
42-123-32429 NATHO A · PETROHAWK OPERATING COMPANY
1.0 mi
Pecan Gap 12,855'Austin Chalk 13,073'Eagle Ford 13,537'
42-123-32483 NATHO B · PETROHAWK OPERATING COMPANY
1.2 mi
Pecan Gap 12,859'Austin Chalk 13,110'Eagle Ford 13,513'Eagle Ford 13,513'
42-123-35547 HAMILTON A-KICKENDAHL UNIT 1 SA6 · BPX OPERATING COMPANY
1.5 mi
Wilcox 5,804'Austin Chalk 13,005'Eagle Ford 13,392'Vicksburg Frio Catahoula Yegua Edwards
42-123-35546 HAMILTON A-KICKENDAHL UNIT 1 SA5 · BPX OPERATING COMPANY
1.5 mi
Wilcox 5,814'Austin Chalk 12,982'Eagle Ford 13,362'Frio Edwards Vicksburg Catahoula Yegua

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
14,654–23,215 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,524 ft1,124 sx
5.5"23,215 ft4,649 sx

Permit History (2)

Applications (2)

#884386 A MARATHON OIL EF LLC
received 2023-02-23
#884386 A ENSIGN OPERATING LLC
received 2022-09-28

Records & Logs

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

W-2/G-1 2023-09-12 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 29.123168
Lon -97.422126

Well Details

Well Number
02H
Max Depth
25,000 ft
Drill Type
Horizontal
County
DE WITT
District
2
Completed
2023-07-15

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