42-255-35839

PRODUCING Horizontal

HOLLMAN UNIT AC

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (AUSTIN CHALK)

Permits

1

Max Depth

20,000 ft

First Permit

2018-03-02

Latest Activity

2018-03-02

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-09-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-07

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 455 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,917 ft-1,462 ft
QUEEN CITY 4,314 ft-3,859 ft
REKLAW 4,711 ft-4,256 ft
CARRIZO 5,302 ft-4,847 ft
WILCOX - DISPOSAL (Wilcox)6,474 ft-6,019 ft
AUSTIN CHALK - H2S (Austin Chalk)12,216 ft-11,761 ft
EAGLE FORD - H2S (Eagle Ford)
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)

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
42-255-35838 HOLLMAN UNIT · MARATHON OIL EF LLC
0.0 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'Sligo Frio Edwards
42-255-35837 HOLLMAN UNIT · MARATHON OIL EF LLC
0.0 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
0.0 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'Frio Sligo 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'Edwards Frio Yegua
42-255-35543 HOLLMAN UNIT · MARATHON OIL EF LLC
0.7 mi
Queen City 4,202'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,008'Eagle Ford 12,156'Frio Sligo Yegua Edwards
42-255-35544 HOLLMAN UNIT · MARATHON OIL EF LLC
0.7 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
0.7 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
12,495–15,862 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,079 ft1,788 sx
5.5"15,970 ft2,992 sx

Permit History (1)

Applications (1)

#836983 A MARATHON OIL EF LLC
received 2018-03-01

Records & Logs

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

W-2/G-1 2018-11-07 log on file
W-2/G-1 2018-09-26 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 28.783975
Lon -97.969353

Well Details

Well Number
2H
Max Depth
20,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2018-09-12

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