42-255-37830

PRODUCING Horizontal

DULLYE 01

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

Permits

1

Max Depth

18,000 ft

First Permit

2023-08-01

Latest Activity

2023-08-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-03-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-12

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 (12) Elevation 221 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPARTA 4,094 ft-3,873 ft
QUEEN CITY 4,394 ft-4,173 ft
REKLAW 4,794 ft-4,573 ft
CARRIZO 5,894 ft-5,673 ft
WILCOX - DISPOSAL (Wilcox)6,096 ft-5,875 ft
AUSTIN CHALK - H2S (Austin Chalk)13,104 ft-12,883 ft
EAGLE FORD - H2S (Eagle Ford)13,257 ft-13,036 ft
QUEEN CITY 46,394 ft-46,173 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
42-255-37832 WESSENDORFF 02 · MARATHON OIL EF LLC
0.0 mi
Sparta 4,094'Queen City 4,394'Reklaw 4,794'Carrizo 5,894'Wilcox 6,096'Anacacho 12,964'Austin Chalk 13,105'Eagle Ford 13,245'Yegua Frio Sligo Edwards
42-255-35859 WESS 4-SLGTR- ECRR (SA) B6 · STATOIL TEXAS ONSHORE PROP LLC
0.2 mi
Frio 648'Yegua 2,340'Queen City 4,727'Reklaw 5,859'Carrizo 6,029'Wilcox 6,079'Austin Chalk 13,038'Sligo Edwards Eagle Ford
42-255-35858 WESS 4-SLGTR-ECRR (SA) B5 · STATOIL TEXAS ONSHORE PROP LLC
0.2 mi
Frio 632'Frio 648'Yegua 2,320'Yegua 2,340'Queen City 4,727'Queen City 4,806'Reklaw 5,858'Reklaw 5,859'Carrizo 6,029'Wilcox 6,079'Wilcox 6,096'Austin Chalk 13,038' +5 more
42-255-35857 WESS 4-SLGTR-ECRR (SA) B4 · STATOIL TEXAS ONSHORE PROP LLC
0.2 mi
Frio 688'Yegua 2,373'Queen City 4,800'Reklaw 5,858'Carrizo 6,027'Wilcox 6,090'Austin Chalk 13,050'Eagle Ford 13,173'Sligo Edwards
42-255-35793 WESS 4-SLGTR-ECRR-RT (SA) C5 · STATOIL TEXAS ONSHORE PROP LLC
0.3 mi
Frio 686'Yegua 2,383'Queen City 4,813'Reklaw 5,864'Carrizo 6,030'Wilcox 13,080'Austin Chalk 13,217'Sligo Edwards Eagle Ford
42-255-35792 WESS 4-SLAUGHTER-RT (SA) C4 · STATOIL TEXAS ONSHORE PROP LLC
0.3 mi
Frio 693'Yegua 2,381'Queen City 4,814'Reklaw 5,869'Carrizo 6,033'Wilcox 6,076'Austin Chalk 13,076'Eagle Ford 13,216'Sligo Edwards
42-255-35805 WESS 4-SLAUGHTER-RT (SA) C7 · STATOIL TEXAS ONSHORE PROP LLC
0.3 mi
Frio 624'Yegua 2,319'Queen City 4,786'Reklaw 5,880'Carrizo 6,073'Wilcox 6,095'Austin Chalk 13,063'Sligo Edwards Eagle Ford
42-255-35791 WESS 4-SLAUGHTER-RT (SA) C3 · STATOIL TEXAS ONSHORE PROP LLC
0.3 mi
Frio 659'Frio 693'Yegua 2,354'Yegua 2,381'Queen City 4,735'Queen City 4,814'Reklaw 5,869'Reklaw 5,885'Carrizo 6,033'Wilcox 6,076'Carrizo 6,090'Wilcox 6,114' +6 more

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
13,512–20,321 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,973 ft1,460 sx
5.5"20,321 ft3,929 sx

Permit History (1)

Applications (1)

#892468 A MARATHON OIL EF LLC
received 2023-07-27

Records & Logs

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

W-2/G-1 2024-04-04
W-2/G-1 2024-01-17 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 28.858485
Lon -97.759428

Well Details

Well Number
10H
Max Depth
18,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2024-03-12

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