42-255-37477

PRODUCING Horizontal

EASLEY UNIT AC

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

Permits

1

Max Depth

22,000 ft

First Permit

2022-04-28

Latest Activity

2022-04-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-08-08

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-06

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 (11) Elevation 501 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 4,291 ft-3,790 ft
REKLAW 4,565 ft-4,064 ft
CARRIZO 5,296 ft-4,795 ft
WILCOX - DISPOSAL (Wilcox)5,335 ft-4,834 ft
WILCOX - DISPOSAL (Wilcox)5,355 ft-4,854 ft
AUSTIN CHALK - H2S (Austin Chalk)12,277 ft-11,776 ft
EAGLE FORD - H2S (Eagle Ford)
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
42-255-37475 EASLEY UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 4,291'Reklaw 4,565'Carrizo 5,296'Wilcox 5,355'Austin Chalk 12,272'Eagle Ford 12,370'Yegua Frio Edwards Sligo
42-255-37476 EASLEY UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 2,098'Queen City 4,291'Reklaw 4,656'Carrizo 5,296'Wilcox 6,358'Austin Chalk 12,317'Eagle Ford 12,371'Sligo Frio Edwards
42-255-37474 EASLEY UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 2,098'Queen City 4,291'Reklaw 4,656'Carrizo 5,296'Wilcox 6,358'Austin Chalk 12,278'Eagle Ford 12,370'Sligo Frio Edwards
42-255-38039 EASLEY UNIT · MARATHON OIL EF LLC
0.4 mi
Queen City 3,827'Reklaw 4,426'Carrizo 5,264'Wilcox 5,392'Austin Chalk 12,232'Eagle Ford 12,345'Edwards Yegua Frio Sligo
42-255-38040 EASLEY UNIT · MARATHON OIL EF LLC
0.4 mi
Queen City 3,827'Reklaw 4,426'Carrizo 5,264'Wilcox 5,392'Austin Chalk 12,251'Eagle Ford 12,350'Edwards Sligo Frio Yegua
42-255-38038 EASLEY UNIT · MARATHON OIL EF LLC
0.4 mi
Queen City 3,827'Reklaw 4,426'Carrizo 5,264'Wilcox 5,392'Austin Chalk 12,241'Eagle Ford 12,333'Yegua Sligo Frio Edwards
42-255-36084 EASLEY UNIT · MARATHON OIL EF LLC
0.5 mi
Queen City 1,971'Yegua 1,971'Queen City 4,369'Reklaw 4,766'Carrizo 5,356'Wilcox 6,077'Austin Chalk 12,255'Eagle Ford 12,352'Yegua Sligo Edwards Frio
42-255-36086 EASLEY UNIT AC · MARATHON OIL EF LLC
0.5 mi
Yegua 1,971'Queen City 4,369'Reklaw 4,766'Carrizo 5,356'Wilcox 6,077'Austin Chalk 12,270'Sligo Frio Edwards Eagle Ford

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
12,631–20,628 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,098 ft1,566 sx
6"20,628 ft3,263 sx

Permit History (1)

Applications (1)

#879307 A MARATHON OIL EF LLC
received 2022-04-21

Records & Logs

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

W-2/G-1 2023-10-03 log on file
W-2/G-1 2022-11-15 log on file
W-2/G-1 2022-07-21 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 28.765294
Lon -97.980511

Well Details

Well Number
2H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-08-08

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