42-255-37148

PRODUCING Horizontal

L.B. HAILEY UNIT

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

Permits

1

Max Depth

22,000 ft

First Permit

2021-03-12

Latest Activity

2021-03-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-12-18

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2013-06

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 445 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 3,932 ft-3,487 ft
REKLAW 4,404 ft-3,959 ft
CARRIZO 5,035 ft-4,590 ft
WILCOX - DISPOSAL (Wilcox)5,077 ft-4,632 ft
AUSTIN CHALK - H2S (Austin Chalk)11,913 ft-11,468 ft
EAGLE FORD - H2S (Eagle Ford)12,039 ft-11,594 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
42-255-37147 L.B. HAILEY UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 3,932'Reklaw 4,404'Carrizo 5,035'Wilcox 5,077'Austin Chalk 11,940'Eagle Ford 12,067'Yegua Frio Edwards Sligo
42-255-37149 L.B. HAILEY-MORGAN SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,932'Reklaw 4,404'Carrizo 5,032'Carrizo 5,035'Wilcox 5,077'Austin Chalk 11,935'Austin Chalk 11,940'Eagle Ford 12,061'Eagle Ford 12,067'Frio Sligo Yegua +1 more
42-255-34890 DAVILA-GRAHAM UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,592'Queen City 3,866'Reklaw 4,433'Carrizo 4,788'Wilcox 6,099'Austin Chalk 11,701'Eagle Ford 11,835'Sligo Frio Edwards
42-255-34891 DAVILA-GRAHAM UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,592'Queen City 3,866'Reklaw 4,433'Carrizo 4,788'Wilcox 6,099'Austin Chalk 11,700'Eagle Ford 11,829'Queen City Reklaw Yegua Wilcox Edwards +5 more
42-255-34892 DAVILA-GRAHAM UNIT AC · MARATHON OIL EF LLC
0.8 mi
Yegua 1,592'Queen City 3,866'Reklaw 4,433'Carrizo 4,788'Wilcox 6,099'Austin Chalk 11,698'Frio Sligo Edwards Eagle Ford
42-255-35545 HOLLMAN UNIT · MARATHON OIL EF LLC
1.1 mi
Yegua 1,910'Queen City 4,242'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,004'Eagle Ford 12,150'Frio Edwards Sligo
42-255-35544 HOLLMAN UNIT · MARATHON OIL EF LLC
1.1 mi
Yegua 1,910'Queen City 4,242'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,010'Eagle Ford 12,153'Sligo Frio Edwards
42-255-35543 HOLLMAN UNIT · MARATHON OIL EF LLC
1.1 mi
Queen City 4,202'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,008'Eagle Ford 12,156'Yegua Frio Edwards Sligo

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
12,842–16,180 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,123 ft1,501 sx
6"16,180 ft2,436 sx

Permit History (1)

Applications (1)

#868241 A MARATHON OIL EF LLC
received 2021-03-08

Records & Logs

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

W-2/G-1 2023-03-28 log on file
W-2/G-1 2022-10-24
W-2/G-1 2022-09-09 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 28.781497
Lon -97.996231

Well Details

Well Number
2H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2022-12-18

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