← Wells

42-255-37726

PRODUCING Horizontal

SCR UNIT E-MOBIL UNIT B SA

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

Permits

1

Max Depth

22,000 ft

First Permit

2023-02-24

Latest Activity

2023-02-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-10-21

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2023-06

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 (10) Elevation 407 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 3,650 ft-3,243 ft
REKLAW 4,200 ft-3,793 ft
CARRIZO 4,886 ft-4,479 ft
WILCOX - DISPOSAL (Wilcox)5,026 ft-4,619 ft
AUSTIN CHALK - H2S (Austin Chalk)11,866 ft-11,459 ft
EAGLE FORD - H2S (Eagle Ford)11,938 ft-11,531 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
✓ 42-255-37725 SCR UNIT E-CHILDREN WESTON SA · MARATHON OIL EF LLC
0.0 mi
Cook Mountain 2,586'Sparta 3,283'Queen City 3,650'Reklaw 4,200'Carrizo 4,886'Wilcox 5,026'Anacacho 11,726'Austin Chalk 11,902'Eagle Ford 11,990'Yegua —Sligo —Frio — +1 more
✓ 42-255-34439 SOUTH SUGARLOAF SWD · MARATHON OIL EF LLC
1.0 mi
Yegua 1,834'Yegua 1,834'Queen City 4,134'Reklaw 4,591'Carrizo 5,247'Wilcox 6,154'Wilcox 6,154'Austin Chalk 7,100'Eagle Ford 8,200'Austin Chalk —Frio —Sligo — +2 more
✓ 42-255-35975 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
1.1 mi
Yegua 1,848'Queen City 4,148'Reklaw 4,606'Carrizo 5,262'Austin Chalk —Frio —Sligo —Wilcox —Edwards —Eagle Ford —
✓ 42-255-35976 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
1.1 mi
Yegua 1,848'Queen City 4,148'Carrizo 5,262'
✓ 42-255-35977 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
1.1 mi
Yegua 1,848'Queen City 4,148'Carrizo 5,262'
✓ 42-255-35978 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
1.1 mi
Yegua 1,848'Queen City 4,148'Carrizo 5,262'
✓ 42-255-35979 MOBIL C-D-WIEDING WESTON PSA · MARATHON OIL EF LLC
1.1 mi
Yegua 1,848'Queen City 4,148'Reklaw 4,606'Carrizo 5,262'Wilcox 6,495'Austin Chalk 12,016'Eagle Ford 12,103'Frio —Sligo —Edwards —
✓ 42-255-37924 SAN CHRISTOVAL · BURLINGTON RESOURCES O & G CO LP
1.3 mi
Yegua 1,577'Queen City 3,515'Reklaw 4,451'Carrizo 4,612'Wilcox 4,963'Austin Chalk 11,621'Eagle Ford 11,736'Frio —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
12,462–18,584 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,983 ft1,424 sx
6"18,584 ft2,871 sx

Permit History (1)

#888076 Drill Final Completion

SCR UNIT E-MOBIL UNIT B SA · 22,000 ft

2023-02-24

Spud 2023-06-12

Applications (1)

#888076 A MARATHON OIL EF LLC
received 2023-02-09

Records & Logs

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

W-2/G-1 2024-02-08 log on file
W-2/G-1 2023-08-29 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 28.748000
Lon -98.025492

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Operator
MARATHON OIL EF LLC
Completed
2023-10-21

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