42-255-37721

PRODUCING Horizontal

DIRECT-ROBERT-GROSS SA

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

Permits

1

Max Depth

25,000 ft

First Permit

2023-03-10

Latest Activity

2023-03-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-09-11

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-06

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 420 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
COOK MOUNTAIN 2,479 ft-2,059 ft
SPARTA 3,074 ft-2,654 ft
QUEEN CITY 3,350 ft-2,930 ft
REKLAW 3,936 ft-3,516 ft
CARRIZO 4,493 ft-4,073 ft
WILCOX - DISPOSAL (Wilcox)4,569 ft-4,149 ft
ANACACHO 11,886 ft-11,466 ft
AUSTIN CHALK - H2S (Austin Chalk)12,035 ft-11,615 ft
EAGLE FORD - H2S (Eagle Ford)12,168 ft-11,748 ft
FRIO - DISPOSAL (Frio)
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
42-255-37720 HOLLMAN-MAY B SA · MARATHON OIL EF LLC
0.0 mi
Cook Mountain 2,479'Sparta 3,074'Queen City 3,350'Reklaw 3,936'Carrizo 4,493'Wilcox 4,569'Anacacho 11,866'Austin Chalk 12,016'Eagle Ford 12,153'Yegua Edwards Frio
42-255-35838 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,217'Eagle Ford 12,338'Frio Sligo Edwards
42-255-35839 HOLLMAN UNIT AC · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,216'Sligo Frio Edwards Eagle Ford
42-255-35837 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,223'Eagle Ford 12,337'Sligo Frio Edwards
42-255-35836 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,206'Eagle Ford 12,324'Sligo Frio Edwards
42-255-35543 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Queen City 4,202'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,008'Eagle Ford 12,156'Yegua Frio Edwards Sligo
42-255-35544 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,910'Queen City 4,242'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,010'Eagle Ford 12,153'Frio Sligo Edwards
42-255-35545 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,910'Queen City 4,242'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,004'Eagle Ford 12,150'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
12,532–18,603 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,135 ft1,467 sx
6"18,603 ft2,858 sx

Permit History (1)

Applications (1)

#887944 A MARATHON OIL EF LLC
received 2023-02-06

Records & Logs

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

W-2/G-1 2023-11-20
W-2/G-1 2023-09-19 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 28.792489
Lon -97.971832

Well Details

Well Number
1H
Max Depth
25,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-09-11

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