42-255-38093

PRODUCING Horizontal

MCCOY-EGBERT-CARTER UNIT SA1

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

Permits

3

Max Depth

22,000 ft

First Permit

2024-06-06

Latest Activity

2024-06-06

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-10-03

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-10

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 331 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REKLAW 3,884 ft-3,553 ft
CARRIZO 4,693 ft-4,362 ft
WILCOX - DISPOSAL (Wilcox)4,834 ft-4,503 ft
AUSTIN CHALK - H2S (Austin Chalk)11,393 ft-11,062 ft
EAGLE FORD - H2S (Eagle Ford)11,633 ft-11,302 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
QUEEN CITY
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
42-255-38076 MCCOY-EGBERT UNIT · MARATHON OIL EF LLC
0.0 mi
Reklaw 3,884'Carrizo 4,693'Austin Chalk 11,414'Eagle Ford 11,642'Frio Queen City Yegua Wilcox Edwards Sligo
42-255-38075 MCCOY-EGBERT UNIT · MARATHON OIL EF LLC
0.0 mi
Reklaw 3,884'Carrizo 4,693'Wilcox 4,834'Austin Chalk 11,400'Eagle Ford 11,485'Frio Yegua Sligo Edwards Queen City
42-255-36985 MCCOY EGBERT-EGBERT SA · MARATHON OIL EF LLC
0.1 mi
Yegua 1,479'Queen City 3,651'Reklaw 4,084'Carrizo 4,634'Wilcox 5,948'Austin Chalk 11,427'Eagle Ford 11,660'Sligo Frio Edwards
42-255-36984 ROGERS-MCCOY EGBERT SA · MARATHON OIL EF LLC
0.1 mi
Yegua 1,479'Queen City 3,651'Reklaw 4,084'Carrizo 4,634'Wilcox 5,948'Austin Chalk 11,349'Eagle Ford 11,589'Frio Sligo Edwards
42-255-36563 RSW-MIKKELSON-ROGERS SA · MARATHON OIL EF LLC
0.9 mi
Yegua 1,981'Queen City 3,996'Reklaw 4,332'Carrizo 5,127'Wilcox 6,377'Austin Chalk 11,438'Eagle Ford 11,661'Sligo Frio Edwards
42-255-36561 RIPPSTEIN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.9 mi
Yegua 1,981'Queen City 3,996'Reklaw 4,332'Carrizo 5,127'Wilcox 6,377'Austin Chalk 11,459'Eagle Ford 11,684'Sligo Frio Edwards
42-255-36562 RIPPSTEIN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.9 mi
Yegua 1,981'Queen City 3,996'Reklaw 4,332'Carrizo 5,127'Wilcox 6,377'Austin Chalk 11,442'Eagle Ford 11,666'Eagle Ford 11,667'Sligo Frio Edwards
42-255-35828 FLYING HORSE-FORISTER USW B · BURLINGTON RESOURCES O & G CO LP
0.9 mi
Yegua 1,622'Queen City 3,495'Reklaw 4,333'Wilcox 4,689'Austin Chalk 11,207'Eagle Ford 11,384'Carrizo 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
11,860–17,876 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,464 ft1,521 sx
5.5"17,869 ft3,194 sx

Permit History (3)

Applications (3)

#900148 A MARATHON OIL EF LLC
received 2024-06-18
#900148 A MARATHON OIL EF LLC
received 2024-06-11
#900148 A MARATHON OIL EF LLC
received 2024-06-03

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2025-01-29 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 28.898819
Lon -97.932419

Well Details

Well Number
6H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2024-10-03

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