42-255-37539

PRODUCING Horizontal

W.MEJOR-DAV-JOR-FRA SA

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

Permits

1

Max Depth

27,000 ft

First Permit

2022-06-28

Latest Activity

2022-06-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-03-04

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-09

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)
QUEEN CITY 3,602 ft-3,152 ft
REKLAW 4,215 ft-3,765 ft
CARRIZO 4,746 ft-4,296 ft
WILCOX - DISPOSAL (Wilcox)4,811 ft-4,361 ft
AUSTIN CHALK - H2S (Austin Chalk)11,457 ft-11,007 ft
EAGLE FORD - H2S (Eagle Ford)11,657 ft-11,207 ft
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
42-255-37537 HEDTKE-H.HENKE-DAVENPORT SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,602'Reklaw 4,215'Carrizo 4,746'Wilcox 4,811'Austin Chalk 11,463'Eagle Ford 11,653'Yegua Sligo Frio Edwards
42-255-37536 MARTINEZ-H.HENKE-HEDTKE SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,602'Reklaw 4,215'Carrizo 4,746'Wilcox 4,811'Austin Chalk 11,445'Eagle Ford 11,645'Yegua Sligo Frio Edwards
42-255-37535 H.ANZALDUA-HEDTKE SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,602'Reklaw 4,215'Carrizo 4,746'Wilcox 4,811'Austin Chalk 11,435'Eagle Ford 11,629'Yegua Sligo Frio Edwards
42-255-37533 SCHEELE-HUTH UNIT A · MARATHON OIL EF LLC
0.0 mi
Queen City 3,602'Reklaw 4,215'Carrizo 4,746'Wilcox 4,811'Austin Chalk 11,428'Eagle Ford 11,620'Edwards Yegua Frio Sligo
42-255-37670 PFEIFER-PFEIFER BELL SA · MARATHON OIL EF LLC
0.5 mi
Queen City 3,592'Reklaw 4,181'Carrizo 4,744'Wilcox 4,798'Austin Chalk 11,370'Eagle Ford 11,564'Yegua Sligo Frio Edwards
42-255-37669 BEST BATEMAN-BEST BEARD SA · MARATHON OIL EF LLC
0.5 mi
Queen City 3,592'Reklaw 4,181'Carrizo 4,744'Wilcox 4,798'Austin Chalk 11,362'Eagle Ford 11,559'Yegua Sligo Frio Edwards
42-255-37674 HEDTKE-HENKE UNIT · MARATHON OIL EF LLC
0.6 mi
Queen City 3,620'Reklaw 4,213'Carrizo 4,716'Wilcox 4,799'Austin Chalk 11,408'Eagle Ford 11,603'Yegua Frio Edwards Sligo
42-255-37675 HEDTKE-HENKE UNIT · MARATHON OIL EF LLC
0.6 mi
Queen City 3,620'Reklaw 4,213'Carrizo 4,716'Wilcox 4,799'Austin Chalk 11,426'Eagle Ford 11,623'Frio Yegua 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
11,850–20,140 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,878 ft1,450 sx
6"20,140 ft3,232 sx

Permit History (1)

Applications (1)

#881590 A MARATHON OIL EF LLC
received 2022-06-27

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2023-06-29 log on file
W-2/G-1 2022-09-22 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 28.840006
Lon -97.996144

Well Details

Well Number
1H
Max Depth
27,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-03-04

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