42-255-35543

PRODUCING Horizontal

HOLLMAN UNIT

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

Permits

1

Max Depth

20,600 ft

First Permit

2017-07-05

Latest Activity

2017-07-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-02-24

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-02

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 440 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 4,202 ft-3,762 ft
REKLAW 4,706 ft-4,266 ft
CARRIZO 5,209 ft-4,769 ft
WILCOX - DISPOSAL (Wilcox)6,533 ft-6,093 ft
AUSTIN CHALK - H2S (Austin Chalk)12,008 ft-11,568 ft
EAGLE FORD - H2S (Eagle Ford)12,156 ft-11,716 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
42-255-35544 HOLLMAN UNIT · MARATHON OIL EF LLC
0.0 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'Sligo Frio Edwards
42-255-35545 HOLLMAN UNIT · MARATHON OIL EF LLC
0.0 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
42-255-37721 DIRECT-ROBERT-GROSS SA · MARATHON OIL EF LLC
0.6 mi
Cook Mountain 2,479'Sparta 3,074'Queen City 3,350'Reklaw 3,936'Carrizo 4,493'Wilcox 4,569'Anacacho 11,886'Austin Chalk 12,035'Eagle Ford 12,168'Yegua Frio
42-255-37720 HOLLMAN-MAY B SA · MARATHON OIL EF LLC
0.6 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
42-255-35836 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
42-255-35837 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
42-255-35839 HOLLMAN UNIT AC · MARATHON OIL EF LLC
0.7 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
42-255-35838 HOLLMAN UNIT · MARATHON OIL EF LLC
0.7 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

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
12,321–19,733 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,892 ft1,698 sx
5.5"19,824 ft3,444 sx

Permit History (1)

Applications (1)

#828251 A MARATHON OIL EF LLC
received 2017-06-27

Records & Logs

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

W-2/G-1 2018-03-23 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 28.786672
Lon -97.979628

Well Details

Well Number
8H
Max Depth
20,600 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2018-02-24

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