42-255-32804

PRODUCING Horizontal

MCCOY-EGBERT UNIT

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

Permits

3

Max Depth

15,500 ft

First Permit

2012-10-03

Latest Activity

2012-10-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-05-15

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2013-01

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 (3) Elevation 420 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ANACACHO 11,581 ft-11,161 ft
AUSTIN CHALK 11,723 ft-11,303 ft
EAGLE FORD 11,916 ft-11,496 ft

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
42-255-37249 SALGE UNIT · MARATHON OIL EF LLC
0.2 mi
Yegua 1,964'Queen City 3,965'Reklaw 4,444'Carrizo 5,042'Wilcox 7,318'Austin Chalk 11,867'Eagle Ford 11,980'Sligo Frio Edwards
42-255-37414 EGBERT UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,955'Queen City 3,959'Reklaw 4,432'Carrizo 5,039'Wilcox 5,089'Austin Chalk 11,832'Eagle Ford 12,005'Sligo Frio Edwards
42-255-37415 EGBERT UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,955'Queen City 3,959'Reklaw 4,432'Carrizo 5,039'Wilcox 5,089'Austin Chalk 11,820'Eagle Ford 11,994'Sligo Frio Edwards
42-255-37416 EGBERT UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,955'Queen City 3,959'Reklaw 4,432'Carrizo 5,039'Wilcox 6,175'Austin Chalk 11,838'Eagle Ford 11,945'Frio Sligo Edwards
42-255-36374 CARTER UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,591'Eagle Ford 11,817'Frio Sligo Edwards
42-255-36373 CARTER UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,575'Eagle Ford 11,789'Frio Sligo Edwards
42-255-36375 SPAHN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,545'Eagle Ford 11,768'Frio Sligo Edwards
42-255-36376 SPAHN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.8 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,560'Eagle Ford 11,801'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
12,315–17,176 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"5,931 ft3,555 sx
9.625"14,186 ft1,130 sx
5.5"17,395 ft2,195 sx

Permit History (3)

Applications (3)

#748778 A MARATHON OIL EF LLC
received 2024-05-20
#748778 A MARATHON OIL EF LLC
received 2012-10-29
#748778 A MARATHON OIL EF LLC
received 2012-09-24

Records & Logs

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

W-2/G-1 2024-04-29
W-2/G-1 2021-06-23
W-2/G-1 2016-10-11
W-2/G-1 2013-07-19
W-2/G-1 2013-02-08 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 28.886389
Lon -97.924367

Well Details

Well Number
2H
Max Depth
15,500 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2021-05-15

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