42-255-37827

PRODUCING Horizontal

PFEIFER-BELL FRANSEN SA

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

Permits

1

Max Depth

18,000 ft

First Permit

2023-07-28

Latest Activity

2023-07-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-05-16

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-11

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 457 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPARTA 3,376 ft-2,919 ft
QUEEN CITY 3,662 ft-3,205 ft
REKLAW 4,227 ft-3,770 ft
CARRIZO 4,831 ft-4,374 ft
WILCOX - DISPOSAL (Wilcox)4,889 ft-4,432 ft
ANACACHO 11,448 ft-10,991 ft
AUSTIN CHALK - H2S (Austin Chalk)11,586 ft-11,129 ft
EAGLE FORD - H2S (Eagle Ford)11,769 ft-11,312 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
42-255-37821 PFEIFER-WHITLEY MEJOR SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,662'Reklaw 4,227'Carrizo 4,831'Wilcox 4,889'Austin Chalk 11,603'Eagle Ford 11,773'Yegua Frio Edwards Sligo
42-255-37001 JORDAN UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,570'Queen City 3,902'Reklaw 4,366'Carrizo 4,869'Wilcox 6,193'Austin Chalk 11,577'Eagle Ford 11,640'Eagle Ford 11,770'Frio Sligo Edwards
42-255-36999 JORDAN UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,570'Queen City 3,902'Reklaw 4,366'Carrizo 4,869'Wilcox 6,193'Austin Chalk 11,599'Eagle Ford 11,791'Edwards Sligo Frio
42-255-37000 JORDAN UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,750'Queen City 3,680'Reklaw 4,270'Carrizo 4,860'Wilcox 4,910'Austin Chalk 11,607'Eagle Ford 11,793'Sligo Frio Edwards
42-255-37002 JORDAN-BUEHRING UNIT SA · MARATHON OIL EF LLC
0.8 mi
Yegua 1,750'Queen City 3,680'Reklaw 4,270'Carrizo 4,860'Wilcox 4,910'Austin Chalk 11,621'Eagle Ford 11,809'Sligo Frio Edwards
42-255-37670 PFEIFER-PFEIFER BELL SA · MARATHON OIL EF LLC
0.9 mi
Queen City 3,592'Reklaw 4,181'Carrizo 4,744'Wilcox 4,798'Austin Chalk 11,370'Eagle Ford 11,564'Yegua Sligo Frio Edwards
42-255-37669 BEST BATEMAN-BEST BEARD SA · MARATHON OIL EF LLC
0.9 mi
Queen City 3,592'Reklaw 4,181'Carrizo 4,744'Wilcox 4,798'Austin Chalk 11,362'Eagle Ford 11,559'Yegua Frio Edwards Sligo
42-255-36029 FRANSEN UNIT · MARATHON OIL EF LLC
1.0 mi
Yegua 1,681'Queen City 4,013'Reklaw 4,476'Carrizo 4,980'Wilcox 6,304'Austin Chalk 11,745'Eagle Ford 11,922'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
12,133–18,925 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,113 ft1,480 sx
5.5"18,925 ft3,045 sx

Permit History (1)

Applications (1)

#892350 A MARATHON OIL EF LLC
received 2023-07-24

Records & Logs

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

W-2/G-1 2024-08-01
W-2/G-1 2024-04-09
W-2/G-1 2024-01-18 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 28.823592
Lon -97.997042

Well Details

Well Number
1H
Max Depth
18,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2024-05-16

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