42-255-37002

PRODUCING Horizontal

JORDAN-BUEHRING UNIT SA

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

Permits

1

Max Depth

22,000 ft

First Permit

2020-09-17

Latest Activity

2020-09-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-05-01

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-11

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 (10) Elevation 450 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,750 ft-1,300 ft
QUEEN CITY 3,680 ft-3,230 ft
REKLAW 4,270 ft-3,820 ft
CARRIZO 4,860 ft-4,410 ft
WILCOX - DISPOSAL (Wilcox)4,910 ft-4,460 ft
AUSTIN CHALK - H2S (Austin Chalk)11,621 ft-11,171 ft
EAGLE FORD - H2S (Eagle Ford)11,809 ft-11,359 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)

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
42-255-37000 JORDAN UNIT · MARATHON OIL EF LLC
0.0 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
42-255-36999 JORDAN UNIT · MARATHON OIL EF LLC
0.0 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'Sligo Frio Edwards
42-255-37001 JORDAN UNIT · MARATHON OIL EF LLC
0.0 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'Sligo Frio Edwards
42-255-35881 BROWN DUPNIK B-A PSA · MARATHON OIL EF LLC
0.8 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 11,618'Eagle Ford 11,804'Frio Sligo Edwards
42-255-37821 PFEIFER-WHITLEY MEJOR SA · MARATHON OIL EF LLC
0.8 mi
Queen City 3,662'Reklaw 4,227'Carrizo 4,831'Wilcox 4,889'Austin Chalk 11,603'Eagle Ford 11,773'Yegua Sligo Frio Edwards
42-255-37827 PFEIFER-BELL FRANSEN SA · MARATHON OIL EF LLC
0.8 mi
Sparta 3,376'Queen City 3,662'Reklaw 4,227'Carrizo 4,831'Wilcox 4,889'Anacacho 11,448'Austin Chalk 11,586'Eagle Ford 11,769'Yegua Edwards Frio Sligo
42-255-35880 B. DUPNIK A-H. BROWN PSA · MARATHON OIL EF LLC
0.8 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 11,648'Eagle Ford 11,833'Sligo Frio Edwards
42-255-33995 HOLLAND-BROWN UNIT · MARATHON OIL EF LLC
0.8 mi
Austin Chalk 1,161'Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 11,161'Austin Chalk 11,661'Eagle Ford 11,858'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
12,063–18,631 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,027 ft2,359 sx
5.5"18,631 ft3,263 sx

Permit History (1)

Applications (1)

#865077 A MARATHON OIL EF LLC
received 2020-09-14

Records & Logs

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

W-2/G-1 2021-05-24 log on file
W-2/G-1 2021-02-12 log on file
W-2/G-1 2020-12-10 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 28.830138
Lon -97.986523

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2021-05-01

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