42-255-37595

PRODUCING Horizontal

JANSSEN - OETKEN 01 B

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)

Permits

1

Max Depth

23,000 ft

First Permit

2022-10-04

Latest Activity

2022-10-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-04-10

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

2023-01

Last Production

2026-07

Operator History

originally filed by ENSIGN OPERATING LLC — asset transferred

Lease Production

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

Formation Tops (10) Elevation 342 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 5,653 ft-5,311 ft
REKLAW 5,961 ft-5,619 ft
CARRIZO 6,170 ft-5,828 ft
WILCOX - DISPOSAL (Wilcox)6,190 ft-5,848 ft
AUSTIN CHALK - H2S (Austin Chalk)13,107 ft-12,765 ft
EAGLE FORD - H2S (Eagle Ford)13,349 ft-13,007 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)
YEGUA - DISPOSAL (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
42-255-37594 JANSSEN - OETKEN 01 A · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,666'Reklaw 5,947'Carrizo 6,180'Wilcox 6,180'Austin Chalk 13,096'Eagle Ford 13,381'Yegua Sligo Frio Edwards
42-255-37596 JANSSEN - OETKEN 01 C · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,651'Reklaw 5,942'Carrizo 6,172'Wilcox 6,172'Austin Chalk 13,116'Eagle Ford 13,313'Yegua Frio Edwards Sligo
42-255-37597 JANSSEN - OETKEN 01 D · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,633'Reklaw 5,950'Carrizo 6,184'Wilcox 6,184'Austin Chalk 13,147'Eagle Ford 13,277'Frio Yegua Sligo Edwards
42-255-37598 JANSSEN - OETKEN 01 E · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,620'Reklaw 5,951'Carrizo 6,183'Wilcox 6,183'Austin Chalk 13,178'Eagle Ford 13,199'Eagle Ford 13,299'Frio Yegua Sligo Edwards
42-255-37996 DEBILL-LISKA SA1 · MARATHON OIL EF LLC
0.5 mi
Queen City 4,466'Reklaw 5,019'Carrizo 5,937'Wilcox 6,138'Austin Chalk 13,001'Eagle Ford 13,267'Yegua Sligo Frio Edwards
42-255-37998 LISKA-ELIZONDO SA1 · MARATHON OIL EF LLC
0.5 mi
Queen City 4,466'Reklaw 5,019'Carrizo 5,937'Wilcox 6,138'Austin Chalk 12,982'Eagle Ford 13,214'Yegua Frio Edwards Sligo
42-255-34490 DEBILL 01 · PIONEER NATURAL RES. USA, INC.
1.1 mi
Frio 594'Yegua 2,929'Queen City 5,199'Reklaw 5,399'Carrizo 6,139'Wilcox 9,349'Austin Chalk 12,994'Eagle Ford 13,345'Sligo Edwards
42-255-37839 YANTA CATTLE CO. A-288 #2 GU · BURLINGTON RESOURCES O & G CO LP
1.2 mi
Frio 1,405'Yegua 2,207'Queen City 4,680'Reklaw 5,522'Carrizo 5,804'Wilcox 5,965'Austin Chalk 12,882'Eagle Ford 13,105'Sligo Edwards

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
13,568–20,413 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,513 ft1,462 sx
5.5"20,479 ft4,752 sx

Permit History (1)

Applications (1)

#883514 A ENSIGN OPERATING LLC
received 2022-08-29

Records & Logs

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

W-2/G-1 2023-08-03 log on file
W-2/G-1 2023-05-01 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 28.910204
Lon -97.712739

Well Details

Well Number
02H
Max Depth
23,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-04-10

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