42-255-36298

PRODUCING Horizontal

HARDY UNIT AC

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (AUSTIN CHALK)

Permits

1

Max Depth

21,000 ft

First Permit

2019-01-14

Latest Activity

2019-01-14

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-11-07

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-03

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 281 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,165 ft-884 ft
QUEEN CITY 3,120 ft-2,839 ft
REKLAW 3,511 ft-3,230 ft
CARRIZO 4,014 ft-3,733 ft
WILCOX - DISPOSAL (Wilcox)5,300 ft-5,019 ft
AUSTIN CHALK - H2S (Austin Chalk)10,552 ft-10,271 ft
EAGLE FORD - H2S (Eagle Ford)
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
42-255-36297 HARDY UNIT AC · MARATHON OIL EF LLC
0.0 mi
Yegua 1,185'Queen City 3,140'Reklaw 3,531'Carrizo 4,034'Wilcox 5,320'Austin Chalk 10,533'Edwards Sligo Eagle Ford Frio
42-255-36036 FIRE OPAL UNIT AC · MARATHON OIL EF LLC
0.3 mi
Yegua 1,281'Queen City 3,141'Reklaw 3,451'Carrizo 4,166'Wilcox 5,353'Austin Chalk 10,509'Edwards Frio Eagle Ford Sligo
42-255-36022 CRH UNIT AC · MARATHON OIL EF LLC
0.3 mi
Yegua 1,281'Queen City 3,141'Reklaw 3,451'Carrizo 4,166'Wilcox 5,353'Austin Chalk 10,491'Frio Eagle Ford Edwards Sligo
42-255-36024 CRH UNIT AC · MARATHON OIL EF LLC
0.3 mi
Yegua 1,281'Queen City 3,141'Reklaw 3,451'Carrizo 4,166'Wilcox 5,353'Austin Chalk 10,500'Edwards Eagle Ford Frio Sligo
42-255-36989 JAUER POLLOK-MOCZYGEMBA JAUER SA · MARATHON OIL EF LLC
0.4 mi
Yegua 1,119'Queen City 2,819'Reklaw 3,359'Carrizo 3,844'Wilcox 3,964'Austin Chalk 10,403'Eagle Ford 10,657'Frio Edwards Sligo
42-255-36988 JAUER-JAUER SONKA UNIT SA · MARATHON OIL EF LLC
0.4 mi
Yegua 1,119'Queen City 2,819'Reklaw 3,359'Carrizo 3,844'Wilcox 3,964'Austin Chalk 10,412'Eagle Ford 10,701'Frio Sligo Edwards
42-255-36986 JAUER UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,119'Queen City 2,819'Reklaw 3,359'Carrizo 3,844'Wilcox 3,964'Austin Chalk 10,377'Eagle Ford 10,663'Frio Sligo Edwards
42-255-35594 TRIAL UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,237'Queen City 3,097'Reklaw 3,407'Carrizo 4,122'Wilcox 5,309'Austin Chalk 10,405'Eagle Ford 10,675'Sligo Frio 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
10,915–17,676 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"5,487 ft2,046 sx
9.625"5,539 ft2,046 sx
5.5"17,785 ft3,378 sx

Permit History (1)

Applications (1)

#848605 A MARATHON OIL EF LLC
received 2019-01-11

Records & Logs

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

W-2/G-1 2020-02-17 log on file
W-2/G-1 2019-08-09 log on file
W-2/G-1 2019-07-01 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 28.942128
Lon -97.961978

Well Details

Well Number
2H
Max Depth
21,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2019-11-07

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